#31070C#31070C

#31070C is a very dark, moderate red. Relative luminance 0.008; OKLCH L 21.1% C 0.067 H 18.3°. Best body text is #FFFFFF at 18.01:1 contrast (WCAG AA passes).

Color values

HEX	#31070C
RGB	rgb(49, 7, 12)
HSL	hsl(353, 75%, 11%)
HSV	hsv(353, 86%, 19%)
CMYK	cmyk(0%, 85.7%, 75.5%, 80.8%)
CIE-LAB	lab(7.51, 21.48, 6.74)
CIE-LCH	lch(7.51, 22.52, 17.43°)
OKLab	oklab(21.1% 0.0641 0.0212)
OKLCH	oklch(21.1% 0.067 18.3)
XYZ	xyz(1.4091, 0.8317, 0.4341)
Luminance	0.0083 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#31070C #07312C

analogous

#310721 #31070C #311707

triadic

#31070C #0C3107 #070C31

tetradic

#31070C #213107 #07312C #170731

square

#31070C #213107 #07312C #170731

split-complementary

#31070C #073117 #072131

monochromatic

#1B0407 #1B0407 #31070C #670F19 #9C1626

Accessibility & contrast

On white

18.01

#31070C on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.17

#31070C on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #31070C

18.01:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##31070C	#FFFFFF	#000000	##FFFFFF
##31070C	1.00	18.01	1.17	18.01
#FFFFFF	18.01	1.00	21.00	1.00
#000000	1.17	21.00	1.00	21.00
##FFFFFF	18.01	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#12110C

Deuteranopia (green-blind)

#1D1A0B

Tritanopia (blue-blind)

#370009

Achromatopsia (no color)

#171717

Design tokens & code

CSS

--color: #31070c;
/* rgb */ color: rgb(49, 7, 12);
/* oklch */ color: oklch(21.1% 0.067 18.3);

Tailwind

colors: {
  custom: {
    50: '#6c4a4c',
    500: '#31070c',
    950: '#000000',
  },
}

SCSS

$custom: #31070c;
$custom-light: #6c4a4c;
$custom-dark: #000000;

JSON

{
  "hex": "#31070c",
  "rgb": {
    "r": 49,
    "g": 7,
    "b": 12
  },
  "hsl": {
    "h": 352.857,
    "s": 75,
    "l": 10.98
  },
  "oklch": {
    "l": 0.21099,
    "c": 0.06748,
    "h": 18.3
  },
  "luminance": 0.00831
}

Semantic roles & 50–950 ramp

primary

#31070C

secondary

#237167

accent

#F2DB36

background

#F6F4F4

surface

#ECE7E7

border

#C7C3C3

text

#070101

muted

#7A7777

Preview Lab

Preview with #31070C

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

Preview Lab → · Contrast checker → · Palette generator →