#290B11#290B11

#290B11 is a very dark, muted red. Relative luminance 0.008; OKLCH L 20.2% C 0.050 H 10.5°. Best body text is #FFFFFF at 18.26:1 contrast (WCAG AA passes).

Color values

HEX	#290B11
RGB	rgb(41, 11, 17)
HSL	hsl(348, 58%, 10%)
HSV	hsv(348, 73%, 16%)
CMYK	cmyk(0%, 73.2%, 58.5%, 83.9%)
CIE-LAB	lab(6.79, 16.08, 2.90)
CIE-LCH	lch(6.79, 16.34, 10.23°)
OKLab	oklab(20.23% 0.0496 0.0092)
OKLCH	oklch(20.23% 0.05 10.5)
XYZ	xyz(1.1354, 0.7514, 0.6154)
Luminance	0.0075 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#290B11 #0B2923

analogous

#290B20 #290B11 #29140B

triadic

#290B11 #11290B #0B1129

tetradic

#290B11 #20290B #0B2923 #140B29

square

#290B11 #20290B #0B2923 #140B29

split-complementary

#290B11 #0B2914 #0B2029

monochromatic

#18060A #18060A #290B11 #591825 #8A2539

Accessibility & contrast

On white

18.26

#290B11 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.15

#290B11 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #290B11

18.26:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##290B11	#FFFFFF	#000000	##FFFFFF
##290B11	1.00	18.26	1.15	18.26
#FFFFFF	18.26	1.00	21.00	1.00
#000000	1.15	21.00	1.00	21.00
##FFFFFF	18.26	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#111111

Deuteranopia (green-blind)

#191710

Tritanopia (blue-blind)

#2D070D

Achromatopsia (no color)

#151515

Design tokens & code

CSS

--color: #290b11;
/* rgb */ color: rgb(41, 11, 17);
/* oklch */ color: oklch(20.2% 0.050 10.5);

Tailwind

colors: {
  custom: {
    50: '#644b4f',
    500: '#290b11',
    950: '#000000',
  },
}

SCSS

$custom: #290b11;
$custom-light: #644b4f;
$custom-dark: #000000;

JSON

{
  "hex": "#290b11",
  "rgb": {
    "r": 41,
    "g": 11,
    "b": 17
  },
  "hsl": {
    "h": 348,
    "s": 57.692,
    "l": 10.196
  },
  "oklch": {
    "l": 0.20225,
    "c": 0.05047,
    "h": 10.5
  },
  "luminance": 0.00751
}

Semantic roles & 50–950 ramp

primary

#290B11

secondary

#2B6559

accent

#E1C247

background

#F6F4F4

surface

#EBE7E7

border

#C6C3C3

text

#060101

muted

#7A7777

Preview Lab

Preview with #290B11

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

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