#280E0B#280E0B

#280E0B is a very dark, muted red. Relative luminance 0.008; OKLCH L 20.4% C 0.044 H 28.3°. Best body text is #FFFFFF at 18.14:1 contrast (WCAG AA passes).

Color values

HEX	#280E0B
RGB	rgb(40, 14, 11)
HSL	hsl(6, 57%, 10%)
HSV	hsv(6, 73%, 16%)
CMYK	cmyk(0%, 65%, 72.5%, 84.3%)
CIE-LAB	lab(7.13, 13.14, 6.41)
CIE-LCH	lch(7.13, 14.62, 26.01°)
OKLab	oklab(20.42% 0.0391 0.0211)
OKLCH	oklch(20.42% 0.044 28.3)
XYZ	xyz(1.0926, 0.7895, 0.4114)
Luminance	0.0079 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#280E0B #0B2528

analogous

#280B16 #280E0B #281D0B

triadic

#280E0B #0B280E #0E0B28

tetradic

#280E0B #16280B #0B2528 #1D0B28

square

#280E0B #16280B #0B2528 #1D0B28

split-complementary

#280E0B #0B281D #0B1628

monochromatic

#180807 #180807 #280E0B #581F18 #883025

Accessibility & contrast

On white

18.14

#280E0B on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.16

#280E0B on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #280E0B

18.14:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##280E0B	#FFFFFF	#000000	##FFFFFF
##280E0B	1.00	18.14	1.16	18.14
#FFFFFF	18.14	1.00	21.00	1.00
#000000	1.16	21.00	1.00	21.00
##FFFFFF	18.14	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#14120B

Deuteranopia (green-blind)

#1B180A

Tritanopia (blue-blind)

#2C0A0D

Achromatopsia (no color)

#161616

Design tokens & code

CSS

--color: #280e0b;
/* rgb */ color: rgb(40, 14, 11);
/* oklch */ color: oklch(20.4% 0.044 28.3);

Tailwind

colors: {
  custom: {
    50: '#634d4b',
    500: '#280e0b',
    950: '#000000',
  },
}

SCSS

$custom: #280e0b;
$custom-light: #634d4b;
$custom-dark: #000000;

JSON

{
  "hex": "#280e0b",
  "rgb": {
    "r": 40,
    "g": 14,
    "b": 11
  },
  "hsl": {
    "h": 6.207,
    "s": 56.863,
    "l": 10
  },
  "oklch": {
    "l": 0.20418,
    "c": 0.04444,
    "h": 28.3
  },
  "luminance": 0.00789
}

Semantic roles & 50–950 ramp

primary

#280E0B

secondary

#2B5E64

accent

#D0E048

background

#F6F4F4

surface

#EBE7E7

border

#C6C3C3

text

#050101

muted

#7A7777

Preview Lab

Preview with #280E0B

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

Preview Lab → · Contrast checker → · Palette generator →