#310F12#310F12

#310F12 is a very dark, muted red. Relative luminance 0.010; OKLCH L 22.5% C 0.055 H 17.4°. Best body text is #FFFFFF at 17.39:1 contrast (WCAG AA passes).

Color values

HEX	#310F12
RGB	rgb(49, 15, 18)
HSL	hsl(355, 53%, 13%)
HSV	hsv(355, 69%, 19%)
CMYK	cmyk(0%, 69.4%, 63.3%, 80.8%)
CIE-LAB	lab(9.31, 17.62, 6.16)
CIE-LCH	lch(9.31, 18.67, 19.28°)
OKLab	oklab(22.5% 0.0529 0.0165)
OKLCH	oklch(22.5% 0.055 17.4)
XYZ	xyz(1.5468, 1.0385, 0.6911)
Luminance	0.0104 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#310F12 #0F312E

analogous

#310F23 #310F12 #311D0F

triadic

#310F12 #12310F #0F1231

tetradic

#310F12 #23310F #0F312E #1D0F31

square

#310F12 #23310F #0F312E #1D0F31

split-complementary

#310F12 #0F311D #0F2331

monochromatic

#170709 #170709 #310F12 #601D23 #8F2C34

Accessibility & contrast

On white

17.39

#310F12 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.21

#310F12 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #310F12

17.39:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##310F12	#FFFFFF	#000000	##FFFFFF
##310F12	1.00	17.39	1.21	17.39
#FFFFFF	17.39	1.00	21.00	1.00
#000000	1.21	21.00	1.00	21.00
##FFFFFF	17.39	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#171612

Deuteranopia (green-blind)

#1F1D11

Tritanopia (blue-blind)

#360A10

Achromatopsia (no color)

#1A1A1A

Design tokens & code

CSS

--color: #310f12;
/* rgb */ color: rgb(49, 15, 18);
/* oklch */ color: oklch(22.5% 0.055 17.4);

Tailwind

colors: {
  custom: {
    50: '#6c4f4f',
    500: '#310f12',
    950: '#000000',
  },
}

SCSS

$custom: #310f12;
$custom-light: #6c4f4f;
$custom-dark: #000000;

JSON

{
  "hex": "#310f12",
  "rgb": {
    "r": 49,
    "g": 15,
    "b": 18
  },
  "hsl": {
    "h": 354.706,
    "s": 53.125,
    "l": 12.549
  },
  "oklch": {
    "l": 0.22498,
    "c": 0.05541,
    "h": 17.4
  },
  "luminance": 0.01038
}

Semantic roles & 50–950 ramp

primary

#310F12

secondary

#316B66

accent

#DDD04B

background

#F6F4F4

surface

#ECE7E7

border

#C7C3C3

text

#070202

muted

#7A7878

Preview Lab

Preview with #310F12

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

Preview Lab → · Contrast checker → · Palette generator →