#280D0D#280D0D

#280D0D is a very dark, muted red. Relative luminance 0.008; OKLCH L 20.3% C 0.046 H 22.0°. Best body text is #FFFFFF at 18.20:1 contrast (WCAG AA passes).

Color values

HEX	#280D0D
RGB	rgb(40, 13, 13)
HSL	hsl(0, 51%, 10%)
HSV	hsv(0, 68%, 16%)
CMYK	cmyk(0%, 67.5%, 67.5%, 84.3%)
CIE-LAB	lab(6.94, 13.94, 5.22)
CIE-LCH	lch(6.94, 14.89, 20.52°)
OKLab	oklab(20.27% 0.0422 0.017)
OKLCH	oklch(20.27% 0.046 22)
XYZ	xyz(1.0917, 0.7681, 0.4715)
Luminance	0.0077 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#280D0D #0D2828

analogous

#280D1A #280D0D #281A0D

triadic

#280D0D #0D280D #0D0D28

tetradic

#280D0D #1A280D #0D2828 #1A0D28

square

#280D0D #1A280D #0D2828 #1A0D28

split-complementary

#280D0D #0D281A #0D1A28

monochromatic

#170808 #170808 #280D0D #561C1C #842B2B

Accessibility & contrast

On white

18.20

#280D0D on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.15

#280D0D on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #280D0D

18.20:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##280D0D	#FFFFFF	#000000	##FFFFFF
##280D0D	1.00	18.20	1.15	18.20
#FFFFFF	18.20	1.00	21.00	1.00
#000000	1.15	21.00	1.00	21.00
##FFFFFF	18.20	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#13120D

Deuteranopia (green-blind)

#1A170C

Tritanopia (blue-blind)

#2C090D

Achromatopsia (no color)

#151515

Design tokens & code

CSS

--color: #280d0d;
/* rgb */ color: rgb(40, 13, 13);
/* oklch */ color: oklch(20.3% 0.046 22.0);

Tailwind

colors: {
  custom: {
    50: '#634c4d',
    500: '#280d0d',
    950: '#000000',
  },
}

SCSS

$custom: #280d0d;
$custom-light: #634c4d;
$custom-dark: #000000;

JSON

{
  "hex": "#280d0d",
  "rgb": {
    "r": 40,
    "g": 13,
    "b": 13
  },
  "hsl": {
    "h": 0,
    "s": 50.943,
    "l": 10.392
  },
  "oklch": {
    "l": 0.20274,
    "c": 0.04553,
    "h": 22
  },
  "luminance": 0.00768
}

Semantic roles & 50–950 ramp

primary

#280D0D

secondary

#2F6262

accent

#DADA4D

background

#F6F4F4

surface

#EBE7E7

border

#C6C3C3

text

#050101

muted

#7A7777

Preview Lab

Preview with #280D0D

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

Preview Lab → · Contrast checker → · Palette generator →