#310204#310204

#310204 is a very dark, moderate red. Relative luminance 0.007; OKLCH L 20.1% C 0.076 H 24.6°. Best body text is #FFFFFF at 18.40:1 contrast (WCAG AA passes).

Color values

HEX	#310204
RGB	rgb(49, 2, 4)
HSL	hsl(357, 92%, 10%)
HSV	hsv(357, 96%, 19%)
CMYK	cmyk(0%, 95.9%, 91.8%, 80.8%)
CIE-LAB	lab(6.37, 23.46, 8.38)
CIE-LCH	lch(6.37, 24.91, 19.66°)
OKLab	oklab(20.11% 0.0693 0.0317)
OKLCH	oklch(20.11% 0.076 24.6)
XYZ	xyz(1.3104, 0.7054, 0.1820)
Luminance	0.0070 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#310204 #02312F

analogous

#31021B #310204 #311802

triadic

#310204 #043102 #020431

tetradic

#310204 #1B3102 #02312F #180231

square

#310204 #1B3102 #02312F #180231

split-complementary

#310204 #023118 #021B31

monochromatic

#1D0102 #1D0102 #310204 #6C0409 #A7070E

Accessibility & contrast

On white

18.40

#310204 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.14

#310204 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #310204

18.40:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##310204	#FFFFFF	#000000	##FFFFFF
##310204	1.00	18.40	1.14	18.40
#FFFFFF	18.40	1.00	21.00	1.00
#000000	1.14	21.00	1.00	21.00
##FFFFFF	18.40	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#100D04

Deuteranopia (green-blind)

#1C1803

Tritanopia (blue-blind)

#370003

Achromatopsia (no color)

#141414

Design tokens & code

CSS

--color: #310204;
/* rgb */ color: rgb(49, 2, 4);
/* oklch */ color: oklch(20.1% 0.076 24.6);

Tailwind

colors: {
  custom: {
    50: '#6d4748',
    500: '#310204',
    950: '#000000',
  },
}

SCSS

$custom: #310204;
$custom-light: #6d4748;
$custom-dark: #000000;

JSON

{
  "hex": "#310204",
  "rgb": {
    "r": 49,
    "g": 2,
    "b": 4
  },
  "hsl": {
    "h": 357.447,
    "s": 92.157,
    "l": 10
  },
  "oklch": {
    "l": 0.20111,
    "c": 0.07623,
    "h": 24.6
  },
  "luminance": 0.00705
}

Semantic roles & 50–950 ramp

primary

#310204

secondary

#197572

accent

#FFF629

background

#F6F4F4

surface

#ECE6E6

border

#C7C2C2

text

#080000

muted

#7A7777

Preview Lab

Preview with #310204

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

Preview Lab → · Contrast checker → · Palette generator →