#280B0D#280B0D

#280B0D is a very dark, muted red. Relative luminance 0.007; OKLCH L 19.9% C 0.049 H 18.5°. Best body text is #FFFFFF at 18.36:1 contrast (WCAG AA passes).

Color values

HEX	#280B0D
RGB	rgb(40, 11, 13)
HSL	hsl(356, 57%, 10%)
HSV	hsv(356, 73%, 16%)
CMYK	cmyk(0%, 72.5%, 67.5%, 84.3%)
CIE-LAB	lab(6.50, 14.99, 4.58)
CIE-LCH	lch(6.50, 15.67, 16.99°)
OKLab	oklab(19.9% 0.0463 0.0155)
OKLCH	oklch(19.9% 0.049 18.5)
XYZ	xyz(1.0675, 0.7196, 0.4634)
Luminance	0.0072 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#280B0D #0B2826

analogous

#280B1C #280B0D #28170B

triadic

#280B0D #0D280B #0B0D28

tetradic

#280B0D #1C280B #0B2826 #170B28

square

#280B0D #1C280B #0B2826 #170B28

split-complementary

#280B0D #0B2817 #0B1C28

monochromatic

#180708 #180708 #280B0D #58181D #88252C

Accessibility & contrast

On white

18.36

#280B0D on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.14

#280B0D on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #280B0D

18.36:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##280B0D	#FFFFFF	#000000	##FFFFFF
##280B0D	1.00	18.36	1.14	18.36
#FFFFFF	18.36	1.00	21.00	1.00
#000000	1.14	21.00	1.00	21.00
##FFFFFF	18.36	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#12110D

Deuteranopia (green-blind)

#19170C

Tritanopia (blue-blind)

#2C070C

Achromatopsia (no color)

#141414

Design tokens & code

CSS

--color: #280b0d;
/* rgb */ color: rgb(40, 11, 13);
/* oklch */ color: oklch(19.9% 0.049 18.5);

Tailwind

colors: {
  custom: {
    50: '#644b4d',
    500: '#280b0d',
    950: '#000000',
  },
}

SCSS

$custom: #280b0d;
$custom-light: #644b4d;
$custom-dark: #000000;

JSON

{
  "hex": "#280b0d",
  "rgb": {
    "r": 40,
    "g": 11,
    "b": 13
  },
  "hsl": {
    "h": 355.862,
    "s": 56.863,
    "l": 10
  },
  "oklch": {
    "l": 0.19903,
    "c": 0.04877,
    "h": 18.5
  },
  "luminance": 0.0072
}

Semantic roles & 50–950 ramp

primary

#280B0D

secondary

#2B6460

accent

#E0D648

background

#F6F4F4

surface

#EBE7E7

border

#C6C3C3

text

#050101

muted

#7A7777

Preview Lab

Preview with #280B0D

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

Preview Lab → · Contrast checker → · Palette generator →