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FF331C

#FF331C closest to Boiling Magma

#FF331C is a medium, vivid red; the closest named color is Boiling Magma. In the RGB color model it is made of 100.0% red, 20.0% green and 11.0% blue (rgb(255, 51, 28)). Its HSL value is 6° hue, 100% saturation and 55% lightness, and in CMYK it is 0% cyan, 80% magenta, 89% yellow and 0% black. #FF331C is a warm color. Black text reads best on it, with a contrast ratio of 5.74:1.

Make a palette with #FF331C

#FF331C color conversion

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RGB
HSL
HSB / HSV
HWB
CMYK
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CIELCh
CIELUV
OKLCH

Variations of #FF331C

Shades

Mixed with black: richer and darker.

FF331CDE2B17BE23129E1C0D801408630D054807022E0301160100030000

Tints

Mixed with white: lighter and softer.

FF331CFF533CFF6B55FF816CFF9481FFA796FFB9ABFFCBC0FFDDD5FFEEEA

Tones

Mixed with gray: calmer and more muted.

FF331CF4442FE8503CDD5A47D16251C5695AB86F62AB746A9E79728F7D79

Hues

The same lightness and chroma, rotated around the color wheel.

E53AB9EF33A1F72C87FC2A6BFF2C4BFF331CED5500DC6800CF7400C37D00B88400

Temperatures

Cooler on the left, warmer on the right.

DC5A64E3555AEA4F4EF14742F83E32FF331CFF391CFF3E1CFF431BFF471BFF4C1B

#FF331C color harmonies

Complementary

The opposite hue — maximum contrast and energy.

FF331C1CE8FF
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Split complementary

The two hues next to the complement — contrast with less tension.

FF331C1CFFA51C76FF
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Analogous

Neighbouring hues — calm, cohesive and natural.

FF331CFF1C76FFA51C
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Triadic

Three hues evenly spaced at 120° — vibrant yet balanced.

FF331C1CFF33331CFF
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Tetradic

Two complementary pairs — rich, best with one dominant color.

FF331CE8FF1C1CE8FF331CFF
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Square

Four hues spaced at 90° — bold and playful.

FF331C77FF1C1CE8FFA51CFF
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#FF331C for color-blind viewers (and dogs)

How #FF331C appears with each type of color vision deficiency (Machado 2009 model) — and to your dog. Try the dog vision simulator →

  • Dog vision 53% similarHow dogs see it · simulated as #A89603
  • Protanopia 48% similar1.3% of men, 0.02% of women · simulated as #776913
  • Protanomaly 67% similar1.3% of men, 0.02% of women · simulated as #AB650C
  • Deuteranopia 53% similar1.2% of men, 0.01% of women · simulated as #A89603
  • Deuteranomaly 69% similar5% of men, 0.35% of women · simulated as #C67E06
  • Tritanopia 93% similar0.001% of men, 0.03% of women · simulated as #FF0031
  • Tritanomaly 94% similar0.0001% of men, 0.0001% of women · simulated as #FF0226
  • Achromatopsia 52% similar0.003% of men, 0.003% of women · simulated as #868686
  • Achromatomaly 66% similar0.001% of men, 0.001% of women · simulated as #AF7776

#FF331C contrast checker

AaThe quick brown fox jumps over the lazy dog.
3.66:1 Poor#FF331C text on white
AA normalFailAAA normalFail
AA largePassAAA largeFail
AaThe quick brown fox jumps over the lazy dog.
5.74:1 Good#FF331C text on black
AA normalPassAAA normalFail
AA largePassAAA largePass

Need another background? Pick any pair in the palette generator and open the contrast panel.

Colors similar to #FF331C

Palettes with #FF331C

#FF331C in CSS

/* Boiling Magma */
.color { color: #FF331C; }
.background { background-color: #FF331C; }
.border { border: 1px solid #FF331C; }

/* Other notations */
color: rgb(255 51 28);
color: hsl(6 100% 55%);
color: oklch(0.647 0.239 30.6);

#FF331C FAQ

What color is #FF331C?

#FF331C is a medium, vivid red. Its closest named color is Boiling Magma. It belongs to the red color family and is a warm color.

What is the RGB value of #FF331C?

#FF331C is rgb(255, 51, 28) in RGB, hsl(6, 100%, 55%) in HSL and cmyk(0%, 80%, 89%, 0%) in CMYK.

What is the complementary color of #FF331C?

The complementary color of #FF331C is #1CE8FF, which sits opposite it on the color wheel.

Which text color works on #FF331C?

Black text has the best contrast on #FF331C: 5.74:1, which meets the WCAG AA requirement of 4.5:1 for normal text.

Is #FF331C a warm or cool color?

#FF331C is a warm color.