#310D0E#310D0E

#310D0E is a very dark, muted red. Relative luminance 0.010; OKLCH L 22.1% C 0.059 H 21.6°. Best body text is #FFFFFF at 17.58:1 contrast (WCAG AA passes).

Color values

HEX	#310D0E
RGB	rgb(49, 13, 14)
HSL	hsl(358, 58%, 12%)
HSV	hsv(358, 73%, 19%)
CMYK	cmyk(0%, 73.5%, 71.4%, 80.8%)
CIE-LAB	lab(8.76, 18.40, 7.60)
CIE-LCH	lch(8.76, 19.91, 22.45°)
OKLab	oklab(22.06% 0.0546 0.0217)
OKLCH	oklch(22.06% 0.059 21.6)
XYZ	xyz(1.4899, 0.9727, 0.5247)
Luminance	0.0097 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#310D0E #0D3130

analogous

#310D20 #310D0E #311E0D

triadic

#310D0E #0E310D #0D0E31

tetradic

#310D0E #20310D #0D3130 #1E0D31

square

#310D0E #20310D #0D3130 #1E0D31

split-complementary

#310D0E #0D311E #0D2031

monochromatic

#180607 #180607 #310D0E #611A1C #92272A

Accessibility & contrast

On white

17.58

#310D0E on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.19

#310D0E on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #310D0E

17.58:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##310D0E	#FFFFFF	#000000	##FFFFFF
##310D0E	1.00	17.58	1.19	17.58
#FFFFFF	17.58	1.00	21.00	1.00
#000000	1.19	21.00	1.00	21.00
##FFFFFF	17.58	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#16140E

Deuteranopia (green-blind)

#1F1C0D

Tritanopia (blue-blind)

#36070E

Achromatopsia (no color)

#191919

Design tokens & code

CSS

--color: #310d0e;
/* rgb */ color: rgb(49, 13, 14);
/* oklch */ color: oklch(22.1% 0.059 21.6);

Tailwind

colors: {
  custom: {
    50: '#6c4d4d',
    500: '#310d0e',
    950: '#000000',
  },
}

SCSS

$custom: #310d0e;
$custom-light: #6c4d4d;
$custom-dark: #000000;

JSON

{
  "hex": "#310d0e",
  "rgb": {
    "r": 49,
    "g": 13,
    "b": 14
  },
  "hsl": {
    "h": 358.333,
    "s": 58.065,
    "l": 12.157
  },
  "oklch": {
    "l": 0.22056,
    "c": 0.05873,
    "h": 21.6
  },
  "luminance": 0.00973
}

Semantic roles & 50–950 ramp

primary

#310D0E

secondary

#2E6C6A

accent

#E1DD47

background

#F6F4F4

surface

#ECE7E7

border

#C7C3C3

text

#070101

muted

#7A7777

Preview Lab

Preview with #310D0E

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

Preview Lab → · Contrast checker → · Palette generator →