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FF004F

#FF004F Halt Red

#FF004F is a medium, vivid red named Halt Red. In the RGB color model it is made of 100.0% red, 0.0% green and 31.0% blue (rgb(255, 0, 79)). Its HSL value is 341° hue, 100% saturation and 50% lightness, and in CMYK it is 0% cyan, 100% magenta, 69% yellow and 0% black. #FF004F is a warm color. Black text reads best on it, with a contrast ratio of 5.36:1.

Make a palette with #FF004F

#FF004F color conversion

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RGB
HSL
HSB / HSV
HWB
CMYK
XYZ
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CIELCh
CIELUV
OKLCH

Variations of #FF004F

Shades

Mixed with black: richer and darker.

FF004FDE0044BE00389E002E8000236300194800102E0007160002030000

Tints

Mixed with white: lighter and softer.

FF004FFF4060FF5D72FF7683FF8C94FFA0A5FFB4B7FFC7C9FFDADBFFEDED

Tones

Mixed with gray: calmer and more muted.

FF004FF42E55E9415ADD4F5FD25964C66269B96A6EAC70739F7677907B7C

Hues

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

D437D8E12CC0EC1FA7F5108CFB016FFF004FFF1723EE4800DC6000CE6E00C27700

Temperatures

Cooler on the left, warmer on the right.

DD4C7BE44573EB3C6AF23162F82259FF004FFF164EFF234DFF2C4BFF344AFF3A49

#FF004F color harmonies

Complementary

The opposite hue — maximum contrast and energy.

FF004F00FFB0
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Split complementary

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

FF004F00FF3100CEFF
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Analogous

Neighbouring hues — calm, cohesive and natural.

FF004FFF00CEFF3100
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Triadic

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

FF004F4FFF00004FFF
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Tetradic

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

FF004FFFB00000FFB0004FFF
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Square

Four hues spaced at 90° — bold and playful.

FF004FCEFF0000FFB03100FF
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#FF004F for color-blind viewers (and dogs)

How #FF004F appears with each type of color vision deficiency (Machado 2009 model) — and to your dog. Try the dog vision simulator →

  • Dog vision 49% similarHow dogs see it · simulated as #A09148
  • Protanopia 43% similar1.3% of men, 0.02% of women · simulated as #67624F
  • Protanomaly 64% similar1.3% of men, 0.02% of women · simulated as #A45C4C
  • Deuteranopia 49% similar1.2% of men, 0.01% of women · simulated as #A09148
  • Deuteranomaly 65% similar5% of men, 0.35% of women · simulated as #C17749
  • Tritanopia 93% similar0.001% of men, 0.03% of women · simulated as #FF002F
  • Tritanomaly 97% similar0.0001% of men, 0.0001% of women · simulated as #FF0042
  • Achromatopsia 49% similar0.003% of men, 0.003% of women · simulated as #818181
  • Achromatomaly 64% similar0.001% of men, 0.001% of women · simulated as #AC7177

#FF004F contrast checker

AaThe quick brown fox jumps over the lazy dog.
3.91:1 Poor#FF004F text on white
AA normalFailAAA normalFail
AA largePassAAA largeFail
AaThe quick brown fox jumps over the lazy dog.
5.36:1 Good#FF004F 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 #FF004F

Palettes with #FF004F

#FF004F in CSS

/* Halt Red */
.color { color: #FF004F; }
.background { background-color: #FF004F; }
.border { border: 1px solid #FF004F; }

/* Other notations */
color: rgb(255 0 79);
color: hsl(341 100% 50%);
color: oklch(0.634 0.254 17.1);

#FF004F FAQ

What color is #FF004F?

#FF004F is a medium, vivid red. Its closest named color is Halt Red. It belongs to the red color family and is a warm color.

What is the RGB value of #FF004F?

#FF004F is rgb(255, 0, 79) in RGB, hsl(341, 100%, 50%) in HSL and cmyk(0%, 100%, 69%, 0%) in CMYK.

What is the complementary color of #FF004F?

The complementary color of #FF004F is #00FFB0, which sits opposite it on the color wheel.

Which text color works on #FF004F?

Black text has the best contrast on #FF004F: 5.36:1, which meets the WCAG AA requirement of 4.5:1 for normal text.

Is #FF004F a warm or cool color?

#FF004F is a warm color.