#310C08#310C08

#310C08 is a very dark, moderate red. Relative luminance 0.009; OKLCH L 21.8% C 0.061 H 29.3°. Best body text is #FFFFFF at 17.70:1 contrast (WCAG AA passes).

Color values

HEX	#310C08
RGB	rgb(49, 12, 8)
HSL	hsl(6, 72%, 11%)
HSV	hsv(6, 84%, 19%)
CMYK	cmyk(0%, 75.5%, 83.7%, 80.8%)
CIE-LAB	lab(8.43, 18.50, 9.75)
CIE-LCH	lch(8.43, 20.91, 27.79°)
OKLab	oklab(21.76% 0.0534 0.03)
OKLCH	oklch(21.76% 0.061 29.3)
XYZ	xyz(1.4421, 0.9336, 0.3340)
Luminance	0.0093 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#310C08 #082D31

analogous

#310818 #310C08 #312008

triadic

#310C08 #08310C #0C0831

tetradic

#310C08 #183108 #082D31 #200831

square

#310C08 #183108 #082D31 #200831

split-complementary

#310C08 #083120 #081831

monochromatic

#1A0604 #1A0604 #310C08 #661911 #9A2619

Accessibility & contrast

On white

17.70

#310C08 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.19

#310C08 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #310C08

17.70:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##310C08	#FFFFFF	#000000	##FFFFFF
##310C08	1.00	17.70	1.19	17.70
#FFFFFF	17.70	1.00	21.00	1.00
#000000	1.19	21.00	1.00	21.00
##FFFFFF	17.70	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#161307

Deuteranopia (green-blind)

#1F1B07

Tritanopia (blue-blind)

#37050B

Achromatopsia (no color)

#181818

Design tokens & code

CSS

--color: #310c08;
/* rgb */ color: rgb(49, 12, 8);
/* oklch */ color: oklch(21.8% 0.061 29.3);

Tailwind

colors: {
  custom: {
    50: '#6c4d4a',
    500: '#310c08',
    950: '#000000',
  },
}

SCSS

$custom: #310c08;
$custom-light: #6c4d4a;
$custom-dark: #000000;

JSON

{
  "hex": "#310c08",
  "rgb": {
    "r": 49,
    "g": 12,
    "b": 8
  },
  "hsl": {
    "h": 5.854,
    "s": 71.93,
    "l": 11.176
  },
  "oklch": {
    "l": 0.21764,
    "c": 0.06127,
    "h": 29.3
  },
  "luminance": 0.00933
}

Semantic roles & 50–950 ramp

primary

#310C08

secondary

#256970

accent

#DDEF39

background

#F6F4F4

surface

#ECE7E7

border

#C7C3C3

text

#070101

muted

#7A7777

Preview Lab

Preview with #310C08

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

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