#310E15#310E15

#310E15 is a very dark, muted red. Relative luminance 0.010; OKLCH L 22.4% C 0.057 H 10.7°. Best body text is #FFFFFF at 17.44:1 contrast (WCAG AA passes).

Color values

HEX	#310E15
RGB	rgb(49, 14, 21)
HSL	hsl(348, 56%, 12%)
HSV	hsv(348, 71%, 19%)
CMYK	cmyk(0%, 71.4%, 57.1%, 80.8%)
CIE-LAB	lab(9.17, 18.56, 4.02)
CIE-LCH	lch(9.17, 18.99, 12.21°)
OKLab	oklab(22.42% 0.0563 0.0106)
OKLCH	oklch(22.42% 0.057 10.7)
XYZ	xyz(1.5591, 1.0214, 0.8244)
Luminance	0.0102 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#310E15 #0E312A

analogous

#310E27 #310E15 #31190E

triadic

#310E15 #15310E #0E1531

tetradic

#310E15 #27310E #0E312A #190E31

square

#310E15 #27310E #0E312A #190E31

split-complementary

#310E15 #0E3119 #0E2731

monochromatic

#18070A #18070A #310E15 #611C29 #90293E

Accessibility & contrast

On white

17.44

#310E15 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.20

#310E15 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #310E15

17.44:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##310E15	#FFFFFF	#000000	##FFFFFF
##310E15	1.00	17.44	1.20	17.44
#FFFFFF	17.44	1.00	21.00	1.00
#000000	1.20	21.00	1.00	21.00
##FFFFFF	17.44	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#161515

Deuteranopia (green-blind)

#1F1C14

Tritanopia (blue-blind)

#360911

Achromatopsia (no color)

#1A1A1A

Design tokens & code

CSS

--color: #310e15;
/* rgb */ color: rgb(49, 14, 21);
/* oklch */ color: oklch(22.4% 0.057 10.7);

Tailwind

colors: {
  custom: {
    50: '#6c4e52',
    500: '#310e15',
    950: '#000000',
  },
}

SCSS

$custom: #310e15;
$custom-light: #6c4e52;
$custom-dark: #000000;

JSON

{
  "hex": "#310e15",
  "rgb": {
    "r": 49,
    "g": 14,
    "b": 21
  },
  "hsl": {
    "h": 348,
    "s": 55.556,
    "l": 12.353
  },
  "oklch": {
    "l": 0.22421,
    "c": 0.05725,
    "h": 10.7
  },
  "luminance": 0.01021
}

Semantic roles & 50–950 ramp

primary

#310E15

secondary

#2F6C5F

accent

#DFC149

background

#F6F4F4

surface

#EBE7E7

border

#C6C3C3

text

#070102

muted

#7A7778

Preview Lab

Preview with #310E15

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

Preview Lab → · Contrast checker → · Palette generator →