#290307#290307

#290307 is a very dark, moderate red. Relative luminance 0.006; OKLCH L 18.5% C 0.065 H 18.7°. Best body text is #FFFFFF at 18.91:1 contrast (WCAG AA passes).

Color values

HEX	#290307
RGB	rgb(41, 3, 7)
HSL	hsl(354, 86%, 9%)
HSV	hsv(354, 93%, 16%)
CMYK	cmyk(0%, 92.7%, 82.9%, 83.9%)
CIE-LAB	lab(4.99, 18.57, 4.94)
CIE-LCH	lch(4.99, 19.22, 14.90°)
OKLab	oklab(18.48% 0.0613 0.0207)
OKLCH	oklch(18.48% 0.065 18.7)
XYZ	xyz(0.9855, 0.5520, 0.2556)
Luminance	0.0055 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#290307 #032925

analogous

#29031A #290307 #291203

triadic

#290307 #072903 #030729

tetradic

#290307 #1A2903 #032925 #120329

square

#290307 #1A2903 #032925 #120329

split-complementary

#290307 #032912 #031A29

monochromatic

#1D0205 #1D0205 #290307 #620711 #9B0B1A

Accessibility & contrast

On white

18.91

#290307 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.11

#290307 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #290307

18.91:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##290307	#FFFFFF	#000000	##FFFFFF
##290307	1.00	18.91	1.11	18.91
#FFFFFF	18.91	1.00	21.00	1.00
#000000	1.11	21.00	1.00	21.00
##FFFFFF	18.91	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0D0B07

Deuteranopia (green-blind)

#171406

Tritanopia (blue-blind)

#2E0005

Achromatopsia (no color)

#111111

Design tokens & code

CSS

--color: #290307;
/* rgb */ color: rgb(41, 3, 7);
/* oklch */ color: oklch(18.5% 0.065 18.7);

Tailwind

colors: {
  custom: {
    50: '#65474a',
    500: '#290307',
    950: '#000000',
  },
}

SCSS

$custom: #290307;
$custom-light: #65474a;
$custom-dark: #000000;

JSON

{
  "hex": "#290307",
  "rgb": {
    "r": 41,
    "g": 3,
    "b": 7
  },
  "hsl": {
    "h": 353.684,
    "s": 86.364,
    "l": 8.627
  },
  "oklch": {
    "l": 0.1848,
    "c": 0.06465,
    "h": 18.7
  },
  "luminance": 0.00552
}

Semantic roles & 50–950 ramp

primary

#290307

secondary

#1B6D64

accent

#FDE72B

background

#F6F4F4

surface

#EBE6E7

border

#C6C2C3

text

#060001

muted

#7A7777

Preview Lab

Preview with #290307

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

Preview Lab → · Contrast checker → · Palette generator →