#310502#310502

#310502 is a very dark, moderate red. Relative luminance 0.008; OKLCH L 20.6% C 0.072 H 30.9°. Best body text is #FFFFFF at 18.21:1 contrast (WCAG AA passes).

Color values

HEX	#310502
RGB	rgb(49, 5, 2)
HSL	hsl(4, 92%, 10%)
HSV	hsv(4, 96%, 19%)
CMYK	cmyk(0%, 89.8%, 95.9%, 80.8%)
CIE-LAB	lab(6.92, 21.75, 10.00)
CIE-LCH	lch(6.92, 23.94, 24.68°)
OKLab	oklab(20.56% 0.062 0.0371)
OKLCH	oklch(20.56% 0.072 30.9)
XYZ	xyz(1.3320, 0.7661, 0.1352)
Luminance	0.0077 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#310502 #022E31

analogous

#310216 #310502 #311D02

triadic

#310502 #023105 #050231

tetradic

#310502 #163102 #022E31 #1D0231

square

#310502 #163102 #022E31 #1D0231

split-complementary

#310502 #02311D #021631

monochromatic

#1D0301 #1D0301 #310502 #6C0B04 #A71107

Accessibility & contrast

On white

18.21

#310502 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.15

#310502 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #310502

18.21:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##310502	#FFFFFF	#000000	##FFFFFF
##310502	1.00	18.21	1.15	18.21
#FFFFFF	18.21	1.00	21.00	1.00
#000000	1.15	21.00	1.00	21.00
##FFFFFF	18.21	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#120F01

Deuteranopia (green-blind)

#1D1901

Tritanopia (blue-blind)

#370005

Achromatopsia (no color)

#151515

Design tokens & code

CSS

--color: #310502;
/* rgb */ color: rgb(49, 5, 2);
/* oklch */ color: oklch(20.6% 0.072 30.9);

Tailwind

colors: {
  custom: {
    50: '#6d4947',
    500: '#310502',
    950: '#000000',
  },
}

SCSS

$custom: #310502;
$custom-light: #6d4947;
$custom-dark: #000000;

JSON

{
  "hex": "#310502",
  "rgb": {
    "r": 49,
    "g": 5,
    "b": 2
  },
  "hsl": {
    "h": 3.83,
    "s": 92.157,
    "l": 10
  },
  "oklch": {
    "l": 0.20558,
    "c": 0.07223,
    "h": 30.9
  },
  "luminance": 0.00766
}

Semantic roles & 50–950 ramp

primary

#310502

secondary

#197075

accent

#F1FF29

background

#F6F4F4

surface

#ECE7E6

border

#C7C3C2

text

#070100

muted

#7A7777

Preview Lab

Preview with #310502

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

Preview Lab → · Contrast checker → · Palette generator →