#280604#280604

#280604 is a very dark, muted red. Relative luminance 0.006; OKLCH L 18.8% C 0.058 H 28.8°. Best body text is #FFFFFF at 18.78:1 contrast (WCAG AA passes).

Color values

HEX	#280604
RGB	rgb(40, 6, 4)
HSL	hsl(3, 82%, 9%)
HSV	hsv(3, 90%, 16%)
CMYK	cmyk(0%, 85%, 90%, 84.3%)
CIE-LAB	lab(5.33, 16.21, 6.65)
CIE-LCH	lch(5.33, 17.52, 22.29°)
OKLab	oklab(18.76% 0.0512 0.0282)
OKLCH	oklch(18.76% 0.058 28.8)
XYZ	xyz(0.9622, 0.5903, 0.1781)
Luminance	0.0059 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#280604 #042628

analogous

#280414 #280604 #281804

triadic

#280604 #042806 #060428

tetradic

#280604 #142804 #042628 #180428

square

#280604 #142804 #042628 #180428

split-complementary

#280604 #042818 #041428

monochromatic

#1C0403 #1C0403 #280604 #600E0A #97170F

Accessibility & contrast

On white

18.78

#280604 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.12

#280604 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #280604

18.78:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##280604	#FFFFFF	#000000	##FFFFFF
##280604	1.00	18.78	1.12	18.78
#FFFFFF	18.78	1.00	21.00	1.00
#000000	1.12	21.00	1.00	21.00
##FFFFFF	18.78	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0F0D04

Deuteranopia (green-blind)

#181403

Tritanopia (blue-blind)

#2D0106

Achromatopsia (no color)

#121212

Design tokens & code

CSS

--color: #280604;
/* rgb */ color: rgb(40, 6, 4);
/* oklch */ color: oklch(18.8% 0.058 28.8);

Tailwind

colors: {
  custom: {
    50: '#634948',
    500: '#280604',
    950: '#000000',
  },
}

SCSS

$custom: #280604;
$custom-light: #634948;
$custom-dark: #000000;

JSON

{
  "hex": "#280604",
  "rgb": {
    "r": 40,
    "g": 6,
    "b": 4
  },
  "hsl": {
    "h": 3.333,
    "s": 81.818,
    "l": 8.627
  },
  "oklch": {
    "l": 0.18755,
    "c": 0.05838,
    "h": 28.8
  },
  "luminance": 0.0059
}

Semantic roles & 50–950 ramp

primary

#280604

secondary

#1D666B

accent

#EDF830

background

#F6F4F4

surface

#EBE6E6

border

#C6C2C2

text

#060000

muted

#7A7777

Preview Lab

Preview with #280604

Body copy rendered with the generated semantic roles for this colour.

Preview Lab → · Contrast checker → · Palette generator →