#310F10#310F10

#310F10 is a very dark, muted red. Relative luminance 0.010; OKLCH L 22.4% C 0.056 H 20.9°. Best body text is #FFFFFF at 17.41:1 contrast (WCAG AA passes).

Color values

HEX	#310F10
RGB	rgb(49, 15, 16)
HSL	hsl(358, 53%, 13%)
HSV	hsv(358, 69%, 19%)
CMYK	cmyk(0%, 69.4%, 67.3%, 80.8%)
CIE-LAB	lab(9.26, 17.41, 7.25)
CIE-LCH	lch(9.26, 18.86, 22.62°)
OKLab	oklab(22.44% 0.0519 0.0198)
OKLCH	oklch(22.44% 0.056 20.9)
XYZ	xyz(1.5311, 1.0322, 0.6087)
Luminance	0.0103 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#310F10 #0F3130

analogous

#310F21 #310F10 #311F0F

triadic

#310F10 #10310F #0F1031

tetradic

#310F10 #21310F #0F3130 #1F0F31

square

#310F10 #21310F #0F3130 #1F0F31

split-complementary

#310F10 #0F311F #0F2131

monochromatic

#170708 #170708 #310F10 #601D1F #8F2C2F

Accessibility & contrast

On white

17.41

#310F10 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.21

#310F10 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #310F10

17.41:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##310F10	#FFFFFF	#000000	##FFFFFF
##310F10	1.00	17.41	1.21	17.41
#FFFFFF	17.41	1.00	21.00	1.00
#000000	1.21	21.00	1.00	21.00
##FFFFFF	17.41	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#171610

Deuteranopia (green-blind)

#201D0F

Tritanopia (blue-blind)

#360910

Achromatopsia (no color)

#1A1A1A

Design tokens & code

CSS

--color: #310f10;
/* rgb */ color: rgb(49, 15, 16);
/* oklch */ color: oklch(22.4% 0.056 20.9);

Tailwind

colors: {
  custom: {
    50: '#6c4f4e',
    500: '#310f10',
    950: '#000000',
  },
}

SCSS

$custom: #310f10;
$custom-light: #6c4f4e;
$custom-dark: #000000;

JSON

{
  "hex": "#310f10",
  "rgb": {
    "r": 49,
    "g": 15,
    "b": 16
  },
  "hsl": {
    "h": 358.235,
    "s": 53.125,
    "l": 12.549
  },
  "oklch": {
    "l": 0.22443,
    "c": 0.05554,
    "h": 20.9
  },
  "luminance": 0.01032
}

Semantic roles & 50–950 ramp

primary

#310F10

secondary

#316B69

accent

#DDD84B

background

#F6F4F4

surface

#ECE7E7

border

#C7C3C3

text

#070201

muted

#7A7877

Preview Lab

Preview with #310F10

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

Preview Lab → · Contrast checker → · Palette generator →