#280803#280803

#280803 is a very dark, muted red. Relative luminance 0.006; OKLCH L 19.1% C 0.056 H 34.3°. Best body text is #FFFFFF at 18.65:1 contrast (WCAG AA passes).

Color values

HEX	#280803
RGB	rgb(40, 8, 3)
HSL	hsl(8, 86%, 8%)
HSV	hsv(8, 93%, 16%)
CMYK	cmyk(0%, 80%, 92.5%, 84.3%)
CIE-LAB	lab(5.70, 15.21, 7.60)
CIE-LCH	lch(5.70, 17.00, 26.53°)
OKLab	oklab(19.11% 0.0461 0.0315)
OKLCH	oklch(19.11% 0.056 34.3)
XYZ	xyz(0.9784, 0.6315, 0.1565)
Luminance	0.0063 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#280803 #032328

analogous

#280310 #280803 #281A03

triadic

#280803 #032808 #080328

tetradic

#280803 #102803 #032328 #1A0328

square

#280803 #102803 #032328 #1A0328

split-complementary

#280803 #03281A #031028

monochromatic

#1C0602 #1C0602 #280803 #611307 #9A1F0C

Accessibility & contrast

On white

18.65

#280803 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.13

#280803 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #280803

18.65:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##280803	#FFFFFF	#000000	##FFFFFF
##280803	1.00	18.65	1.13	18.65
#FFFFFF	18.65	1.00	21.00	1.00
#000000	1.13	21.00	1.00	21.00
##FFFFFF	18.65	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#110E02

Deuteranopia (green-blind)

#191502

Tritanopia (blue-blind)

#2D0207

Achromatopsia (no color)

#131313

Design tokens & code

CSS

--color: #280803;
/* rgb */ color: rgb(40, 8, 3);
/* oklch */ color: oklch(19.1% 0.056 34.3);

Tailwind

colors: {
  custom: {
    50: '#634a48',
    500: '#280803',
    950: '#000000',
  },
}

SCSS

$custom: #280803;
$custom-light: #634a48;
$custom-dark: #000000;

JSON

{
  "hex": "#280803",
  "rgb": {
    "r": 40,
    "g": 8,
    "b": 3
  },
  "hsl": {
    "h": 8.108,
    "s": 86.047,
    "l": 8.431
  },
  "oklch": {
    "l": 0.19105,
    "c": 0.05585,
    "h": 34.3
  },
  "luminance": 0.00631
}

Semantic roles & 50–950 ramp

primary

#280803

secondary

#1B616C

accent

#E0FC2C

background

#F6F4F4

surface

#EBE7E6

border

#C6C3C2

text

#060100

muted

#7A7777

Preview Lab

Preview with #280803

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

Preview Lab → · Contrast checker → · Palette generator →