#290B0C#290B0C

#290B0C is a very dark, muted red. Relative luminance 0.007; OKLCH L 20.1% C 0.050 H 20.8°. Best body text is #FFFFFF at 18.30:1 contrast (WCAG AA passes).

Color values

HEX	#290B0C
RGB	rgb(41, 11, 12)
HSL	hsl(358, 58%, 10%)
HSV	hsv(358, 73%, 16%)
CMYK	cmyk(0%, 73.2%, 70.7%, 83.9%)
CIE-LAB	lab(6.66, 15.44, 5.30)
CIE-LCH	lch(6.66, 16.33, 18.96°)
OKLab	oklab(20.07% 0.0471 0.0179)
OKLCH	oklch(20.07% 0.05 20.8)
XYZ	xyz(1.1006, 0.7374, 0.4321)
Luminance	0.0074 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#290B0C #0B2928

analogous

#290B1B #290B0C #29190B

triadic

#290B0C #0C290B #0B0C29

tetradic

#290B0C #1B290B #0B2928 #190B29

square

#290B0C #1B290B #0B2928 #190B29

split-complementary

#290B0C #0B2919 #0B1B29

monochromatic

#180607 #180607 #290B0C #59181A #8A2528

Accessibility & contrast

On white

18.30

#290B0C on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.15

#290B0C on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #290B0C

18.30:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##290B0C	#FFFFFF	#000000	##FFFFFF
##290B0C	1.00	18.30	1.15	18.30
#FFFFFF	18.30	1.00	21.00	1.00
#000000	1.15	21.00	1.00	21.00
##FFFFFF	18.30	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#12110C

Deuteranopia (green-blind)

#1A170B

Tritanopia (blue-blind)

#2E060C

Achromatopsia (no color)

#151515

Design tokens & code

CSS

--color: #290b0c;
/* rgb */ color: rgb(41, 11, 12);
/* oklch */ color: oklch(20.1% 0.050 20.8);

Tailwind

colors: {
  custom: {
    50: '#654b4c',
    500: '#290b0c',
    950: '#000000',
  },
}

SCSS

$custom: #290b0c;
$custom-light: #654b4c;
$custom-dark: #000000;

JSON

{
  "hex": "#290b0c",
  "rgb": {
    "r": 41,
    "g": 11,
    "b": 12
  },
  "hsl": {
    "h": 358,
    "s": 57.692,
    "l": 10.196
  },
  "oklch": {
    "l": 0.20073,
    "c": 0.05033,
    "h": 20.8
  },
  "luminance": 0.00737
}

Semantic roles & 50–950 ramp

primary

#290B0C

secondary

#2B6563

accent

#E1DC47

background

#F6F4F4

surface

#EBE7E7

border

#C6C3C3

text

#060101

muted

#7A7777

Preview Lab

Preview with #290B0C

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

Preview Lab → · Contrast checker → · Palette generator →