#290C0B#290C0B

#290C0B is a very dark, muted red. Relative luminance 0.008; OKLCH L 20.2% C 0.049 H 24.4°. Best body text is #FFFFFF at 18.23:1 contrast (WCAG AA passes).

Color values

HEX	#290C0B
RGB	rgb(41, 12, 11)
HSL	hsl(2, 58%, 10%)
HSV	hsv(2, 73%, 16%)
CMYK	cmyk(0%, 70.7%, 73.2%, 83.9%)
CIE-LAB	lab(6.85, 14.81, 6.03)
CIE-LCH	lch(6.85, 15.99, 22.14°)
OKLab	oklab(20.23% 0.0446 0.0202)
OKLCH	oklch(20.23% 0.049 24.4)
XYZ	xyz(1.1064, 0.7587, 0.4047)
Luminance	0.0076 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#290C0B #0B2829

analogous

#290B19 #290C0B #291B0B

triadic

#290C0B #0B290C #0C0B29

tetradic

#290C0B #19290B #0B2829 #1B0B29

square

#290C0B #19290B #0B2829 #1B0B29

split-complementary

#290C0B #0B291B #0B1929

monochromatic

#180706 #180706 #290C0B #591A18 #8A2825

Accessibility & contrast

On white

18.23

#290C0B on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.15

#290C0B on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #290C0B

18.23:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##290C0B	#FFFFFF	#000000	##FFFFFF
##290C0B	1.00	18.23	1.15	18.23
#FFFFFF	18.23	1.00	21.00	1.00
#000000	1.15	21.00	1.00	21.00
##FFFFFF	18.23	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#13110B

Deuteranopia (green-blind)

#1A170A

Tritanopia (blue-blind)

#2E070C

Achromatopsia (no color)

#151515

Design tokens & code

CSS

--color: #290c0b;
/* rgb */ color: rgb(41, 12, 11);
/* oklch */ color: oklch(20.2% 0.049 24.4);

Tailwind

colors: {
  custom: {
    50: '#644c4c',
    500: '#290c0b',
    950: '#000000',
  },
}

SCSS

$custom: #290c0b;
$custom-light: #644c4c;
$custom-dark: #000000;

JSON

{
  "hex": "#290c0b",
  "rgb": {
    "r": 41,
    "g": 12,
    "b": 11
  },
  "hsl": {
    "h": 2,
    "s": 57.692,
    "l": 10.196
  },
  "oklch": {
    "l": 0.20227,
    "c": 0.04895,
    "h": 24.4
  },
  "luminance": 0.00759
}

Semantic roles & 50–950 ramp

primary

#290C0B

secondary

#2B6365

accent

#DCE147

background

#F6F4F4

surface

#EBE7E7

border

#C6C3C3

text

#060101

muted

#7A7777

Preview Lab

Preview with #290C0B

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

Preview Lab → · Contrast checker → · Palette generator →