#310F13#310F13

#310F13 is a very dark, muted red. Relative luminance 0.010; OKLCH L 22.5% C 0.055 H 15.5°. Best body text is #FFFFFF at 17.38:1 contrast (WCAG AA passes).

Color values

HEX	#310F13
RGB	rgb(49, 15, 19)
HSL	hsl(353, 53%, 13%)
HSV	hsv(353, 69%, 19%)
CMYK	cmyk(0%, 69.4%, 61.2%, 80.8%)
CIE-LAB	lab(9.33, 17.73, 5.58)
CIE-LCH	lch(9.33, 18.59, 17.47°)
OKLab	oklab(22.53% 0.0534 0.0149)
OKLCH	oklch(22.53% 0.055 15.5)
XYZ	xyz(1.5551, 1.0418, 0.7352)
Luminance	0.0104 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#310F13 #0F312D

analogous

#310F24 #310F13 #311C0F

triadic

#310F13 #13310F #0F1331

tetradic

#310F13 #24310F #0F312D #1C0F31

square

#310F13 #24310F #0F312D #1C0F31

split-complementary

#310F13 #0F311C #0F2431

monochromatic

#170709 #170709 #310F13 #601D25 #8F2C37

Accessibility & contrast

On white

17.38

#310F13 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.21

#310F13 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #310F13

17.38:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##310F13	#FFFFFF	#000000	##FFFFFF
##310F13	1.00	17.38	1.21	17.38
#FFFFFF	17.38	1.00	21.00	1.00
#000000	1.21	21.00	1.00	21.00
##FFFFFF	17.38	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#171613

Deuteranopia (green-blind)

#1F1D12

Tritanopia (blue-blind)

#360A11

Achromatopsia (no color)

#1A1A1A

Design tokens & code

CSS

--color: #310f13;
/* rgb */ color: rgb(49, 15, 19);
/* oklch */ color: oklch(22.5% 0.055 15.5);

Tailwind

colors: {
  custom: {
    50: '#6c4f50',
    500: '#310f13',
    950: '#000000',
  },
}

SCSS

$custom: #310f13;
$custom-light: #6c4f50;
$custom-dark: #000000;

JSON

{
  "hex": "#310f13",
  "rgb": {
    "r": 49,
    "g": 15,
    "b": 19
  },
  "hsl": {
    "h": 352.941,
    "s": 53.125,
    "l": 12.549
  },
  "oklch": {
    "l": 0.22528,
    "c": 0.05542,
    "h": 15.5
  },
  "luminance": 0.01042
}

Semantic roles & 50–950 ramp

primary

#310F13

secondary

#316B64

accent

#DDCB4B

background

#F6F4F4

surface

#EBE7E7

border

#C6C3C3

text

#070202

muted

#7A7878

Preview Lab

Preview with #310F13

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

Preview Lab → · Contrast checker → · Palette generator →