#290B03#290B03

#290B03 is a very dark, muted red. Relative luminance 0.007; OKLCH L 19.9% C 0.054 H 38.8°. Best body text is #FFFFFF at 18.37:1 contrast (WCAG AA passes).

Color values

HEX	#290B03
RGB	rgb(41, 11, 3)
HSL	hsl(13, 86%, 9%)
HSV	hsv(13, 93%, 16%)
CMYK	cmyk(0%, 73.2%, 92.7%, 83.9%)
CIE-LAB	lab(6.48, 14.48, 8.75)
CIE-LCH	lch(6.48, 16.92, 31.15°)
OKLab	oklab(19.85% 0.0417 0.0335)
OKLCH	oklch(19.85% 0.054 38.8)
XYZ	xyz(1.0507, 0.7175, 0.1693)
Luminance	0.0072 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#290B03 #032129

analogous

#29030E #290B03 #291E03

triadic

#290B03 #03290B #0B0329

tetradic

#290B03 #0E2903 #032129 #1E0329

square

#290B03 #0E2903 #032129 #1E0329

split-complementary

#290B03 #03291E #030E29

monochromatic

#1D0802 #1D0802 #290B03 #621A07 #9B2A0B

Accessibility & contrast

On white

18.37

#290B03 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.14

#290B03 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #290B03

18.37:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##290B03	#FFFFFF	#000000	##FFFFFF
##290B03	1.00	18.37	1.14	18.37
#FFFFFF	18.37	1.00	21.00	1.00
#000000	1.14	21.00	1.00	21.00
##FFFFFF	18.37	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#131002

Deuteranopia (green-blind)

#1B1703

Tritanopia (blue-blind)

#2E0509

Achromatopsia (no color)

#141414

Design tokens & code

CSS

--color: #290b03;
/* rgb */ color: rgb(41, 11, 3);
/* oklch */ color: oklch(19.9% 0.054 38.8);

Tailwind

colors: {
  custom: {
    50: '#644b48',
    500: '#290b03',
    950: '#000000',
  },
}

SCSS

$custom: #290b03;
$custom-light: #644b48;
$custom-dark: #000000;

JSON

{
  "hex": "#290b03",
  "rgb": {
    "r": 41,
    "g": 11,
    "b": 3
  },
  "hsl": {
    "h": 12.632,
    "s": 86.364,
    "l": 8.627
  },
  "oklch": {
    "l": 0.19851,
    "c": 0.05351,
    "h": 38.8
  },
  "luminance": 0.00717
}

Semantic roles & 50–950 ramp

primary

#290B03

secondary

#1B5C6D

accent

#D0FD2B

background

#F6F4F4

surface

#EBE7E6

border

#C6C3C2

text

#060100

muted

#7A7777

Preview Lab

Preview with #290B03

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

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