#310C02#310C02

#310C02 is a very dark, moderate red. Relative luminance 0.009; OKLCH L 21.6% C 0.064 H 38.7°. Best body text is #FFFFFF at 17.74:1 contrast (WCAG AA passes).

Color values

HEX	#310C02
RGB	rgb(49, 12, 2)
HSL	hsl(13, 92%, 10%)
HSV	hsv(13, 96%, 19%)
CMYK	cmyk(0%, 75.5%, 95.9%, 80.8%)
CIE-LAB	lab(8.31, 18.05, 12.03)
CIE-LCH	lch(8.31, 21.69, 33.68°)
OKLab	oklab(21.64% 0.0499 0.0399)
OKLCH	oklch(21.64% 0.064 38.7)
XYZ	xyz(1.4092, 0.9205, 0.1609)
Luminance	0.0092 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#310C02 #022731

analogous

#31020F #310C02 #312402

triadic

#310C02 #02310C #0C0231

tetradic

#310C02 #0F3102 #022731 #240231

square

#310C02 #0F3102 #022731 #240231

split-complementary

#310C02 #023124 #020F31

monochromatic

#1D0701 #1D0701 #310C02 #6C1A04 #A72907

Accessibility & contrast

On white

17.74

#310C02 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.18

#310C02 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #310C02

17.74:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##310C02	#FFFFFF	#000000	##FFFFFF
##310C02	1.00	17.74	1.18	17.74
#FFFFFF	17.74	1.00	21.00	1.00
#000000	1.18	21.00	1.00	21.00
##FFFFFF	17.74	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#171301

Deuteranopia (green-blind)

#201B01

Tritanopia (blue-blind)

#370409

Achromatopsia (no color)

#181818

Design tokens & code

CSS

--color: #310c02;
/* rgb */ color: rgb(49, 12, 2);
/* oklch */ color: oklch(21.6% 0.064 38.7);

Tailwind

colors: {
  custom: {
    50: '#6c4d47',
    500: '#310c02',
    950: '#000000',
  },
}

SCSS

$custom: #310c02;
$custom-light: #6c4d47;
$custom-dark: #000000;

JSON

{
  "hex": "#310c02",
  "rgb": {
    "r": 49,
    "g": 12,
    "b": 2
  },
  "hsl": {
    "h": 12.766,
    "s": 92.157,
    "l": 10
  },
  "oklch": {
    "l": 0.2164,
    "c": 0.06383,
    "h": 38.7
  },
  "luminance": 0.0092
}

Semantic roles & 50–950 ramp

primary

#310C02

secondary

#196275

accent

#D1FF29

background

#F6F4F4

surface

#ECE7E6

border

#C7C3C2

text

#070100

muted

#7A7777

Preview Lab

Preview with #310C02

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

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