#310708#310708

#310708 is a very dark, moderate red. Relative luminance 0.008; OKLCH L 21.0% C 0.068 H 23.8°. Best body text is #FFFFFF at 18.04:1 contrast (WCAG AA passes).

Color values

HEX	#310708
RGB	rgb(49, 7, 8)
HSL	hsl(359, 75%, 11%)
HSV	hsv(359, 86%, 19%)
CMYK	cmyk(0%, 85.7%, 83.7%, 80.8%)
CIE-LAB	lab(7.43, 21.18, 8.30)
CIE-LCH	lch(7.43, 22.74, 21.40°)
OKLab	oklab(21.01% 0.0621 0.0274)
OKLCH	oklch(21.01% 0.068 23.8)
XYZ	xyz(1.3866, 0.8227, 0.3155)
Luminance	0.0082 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#310708 #073130

analogous

#31071D #310708 #311B07

triadic

#310708 #083107 #070831

tetradic

#310708 #1D3107 #073130 #1B0731

square

#310708 #1D3107 #073130 #1B0731

split-complementary

#310708 #07311B #071D31

monochromatic

#1B0404 #1B0404 #310708 #670F11 #9C1619

Accessibility & contrast

On white

18.04

#310708 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.16

#310708 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #310708

18.04:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##310708	#FFFFFF	#000000	##FFFFFF
##310708	1.00	18.04	1.16	18.04
#FFFFFF	18.04	1.00	21.00	1.00
#000000	1.16	21.00	1.00	21.00
##FFFFFF	18.04	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#131108

Deuteranopia (green-blind)

#1D1A07

Tritanopia (blue-blind)

#370008

Achromatopsia (no color)

#161616

Design tokens & code

CSS

--color: #310708;
/* rgb */ color: rgb(49, 7, 8);
/* oklch */ color: oklch(21.0% 0.068 23.8);

Tailwind

colors: {
  custom: {
    50: '#6d4a4a',
    500: '#310708',
    950: '#000000',
  },
}

SCSS

$custom: #310708;
$custom-light: #6d4a4a;
$custom-dark: #000000;

JSON

{
  "hex": "#310708",
  "rgb": {
    "r": 49,
    "g": 7,
    "b": 8
  },
  "hsl": {
    "h": 358.571,
    "s": 75,
    "l": 10.98
  },
  "oklch": {
    "l": 0.21008,
    "c": 0.06783,
    "h": 23.8
  },
  "luminance": 0.00822
}

Semantic roles & 50–950 ramp

primary

#310708

secondary

#23716F

accent

#F2ED36

background

#F6F4F4

surface

#ECE7E7

border

#C7C3C3

text

#070101

muted

#7A7777

Preview Lab

Preview with #310708

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

Preview Lab → · Contrast checker → · Palette generator →