Start generating
FF5800

#FF5800 Molten Core

#FF5800 is a medium, vivid red named Molten Core. In the RGB color model it is made of 100.0% red, 34.5% green and 0.0% blue (rgb(255, 88, 0)). Its HSL value is 21° hue, 100% saturation and 50% lightness, and in CMYK it is 0% cyan, 65% magenta, 100% yellow and 0% black. #FF5800 is a warm color. Black text reads best on it, with a contrast ratio of 6.65:1.

Make a palette with #FF5800

#FF5800 color conversion

HEX
RGB
HSL
HSB / HSV
HWB
CMYK
XYZ
CIELAB
CIELCh
CIELUV
OKLCH

Variations of #FF5800

Shades

Mixed with black: richer and darker.

FF5800DE4B00BE3F009E3300802800631D004812002E0900160300030000

Tints

Mixed with white: lighter and softer.

FF5800FF6D35FF8051FF9169FFA280FFB295FFC2ABFFD2C0FFE1D5FFF0EA

Tones

Mixed with gray: calmer and more muted.

FF5800F36025E86637DC6C44D0704FC37459B77762AA7A6A9C7D728F7E79

Hues

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

F250ABF94D94FE4C7BFF5061FF5442FF5800EC6E00DE7B00D18500C58C00BA9300

Temperatures

Cooler on the left, warmer on the right.

DB6E63E26B58E9674BF1633CF85E29FF5800FF5A01FF5D01FF5F02FF6103FF6404

#FF5800 color harmonies

Complementary

The opposite hue — maximum contrast and energy.

FF580000A7FF
Open in generator →

Split complementary

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

FF580000FFD80027FF
Open in generator →

Analogous

Neighbouring hues — calm, cohesive and natural.

FF5800FF0028FFD700
Open in generator →

Triadic

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

FF580000FF585800FF
Open in generator →

Tetradic

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

FF5800A7FF0000A7FF5800FF
Open in generator →

Square

Four hues spaced at 90° — bold and playful.

FF580028FF0000A7FFD700FF
Open in generator →

#FF5800 for color-blind viewers (and dogs)

How #FF5800 appears with each type of color vision deficiency (Machado 2009 model) — and to your dog. Try the dog vision simulator →

  • Dog vision 61% similarHow dogs see it · simulated as #B39F00
  • Protanopia 57% similar1.3% of men, 0.02% of women · simulated as #8A7900
  • Protanomaly 72% similar1.3% of men, 0.02% of women · simulated as #B57600
  • Deuteranopia 61% similar1.2% of men, 0.01% of women · simulated as #B39F00
  • Deuteranomaly 74% similar5% of men, 0.35% of women · simulated as #CC8B00
  • Tritanopia 81% similar0.001% of men, 0.03% of women · simulated as #FF1D4C
  • Tritanomaly 92% similar0.0001% of men, 0.0001% of women · simulated as #FF4732
  • Achromatopsia 57% similar0.003% of men, 0.003% of women · simulated as #919191
  • Achromatomaly 68% similar0.001% of men, 0.001% of women · simulated as #B5857F

#FF5800 contrast checker

AaThe quick brown fox jumps over the lazy dog.
3.16:1 Poor#FF5800 text on white
AA normalFailAAA normalFail
AA largePassAAA largeFail
AaThe quick brown fox jumps over the lazy dog.
6.65:1 Good#FF5800 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 #FF5800

Palettes with #FF5800

#FF5800 in CSS

/* Molten Core */
.color { color: #FF5800; }
.background { background-color: #FF5800; }
.border { border: 1px solid #FF5800; }

/* Other notations */
color: rgb(255 88 0);
color: hsl(21 100% 50%);
color: oklch(0.679 0.215 39.5);

#FF5800 FAQ

What color is #FF5800?

#FF5800 is a medium, vivid red. Its closest named color is Molten Core. It belongs to the red color family and is a warm color.

What is the RGB value of #FF5800?

#FF5800 is rgb(255, 88, 0) in RGB, hsl(21, 100%, 50%) in HSL and cmyk(0%, 65%, 100%, 0%) in CMYK.

What is the complementary color of #FF5800?

The complementary color of #FF5800 is #00A7FF, which sits opposite it on the color wheel.

Which text color works on #FF5800?

Black text has the best contrast on #FF5800: 6.65:1, which meets the WCAG AA requirement of 4.5:1 for normal text.

Is #FF5800 a warm or cool color?

#FF5800 is a warm color.