#310A02#310A02

#310A02 is a very dark, moderate red. Relative luminance 0.009; OKLCH L 21.3% C 0.066 H 36.3°. Best body text is #FFFFFF at 17.88:1 contrast (WCAG AA passes).

Color values

HEX	#310A02
RGB	rgb(49, 10, 2)
HSL	hsl(10, 92%, 10%)
HSV	hsv(10, 96%, 19%)
CMYK	cmyk(0%, 79.6%, 95.9%, 80.8%)
CIE-LAB	lab(7.90, 19.15, 11.43)
CIE-LCH	lch(7.90, 22.30, 30.84°)
OKLab	oklab(21.33% 0.0532 0.0391)
OKLCH	oklch(21.33% 0.066 36.3)
XYZ	xyz(1.3863, 0.8746, 0.1532)
Luminance	0.0087 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#310A02 #022931

analogous

#310211 #310A02 #312202

triadic

#310A02 #02310A #0A0231

tetradic

#310A02 #113102 #022931 #220231

square

#310A02 #113102 #022931 #220231

split-complementary

#310A02 #023122 #021131

monochromatic

#1D0601 #1D0601 #310A02 #6C1604 #A72207

Accessibility & contrast

On white

17.88

#310A02 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.17

#310A02 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #310A02

17.88:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##310A02	#FFFFFF	#000000	##FFFFFF
##310A02	1.00	17.88	1.17	17.88
#FFFFFF	17.88	1.00	21.00	1.00
#000000	1.17	21.00	1.00	21.00
##FFFFFF	17.88	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#151201

Deuteranopia (green-blind)

#1F1B01

Tritanopia (blue-blind)

#370208

Achromatopsia (no color)

#171717

Design tokens & code

CSS

--color: #310a02;
/* rgb */ color: rgb(49, 10, 2);
/* oklch */ color: oklch(21.3% 0.066 36.3);

Tailwind

colors: {
  custom: {
    50: '#6c4b47',
    500: '#310a02',
    950: '#000000',
  },
}

SCSS

$custom: #310a02;
$custom-light: #6c4b47;
$custom-dark: #000000;

JSON

{
  "hex": "#310a02",
  "rgb": {
    "r": 49,
    "g": 10,
    "b": 2
  },
  "hsl": {
    "h": 10.213,
    "s": 92.157,
    "l": 10
  },
  "oklch": {
    "l": 0.21331,
    "c": 0.06603,
    "h": 36.3
  },
  "luminance": 0.00874
}

Semantic roles & 50–950 ramp

primary

#310A02

secondary

#196675

accent

#DBFF29

background

#F6F4F4

surface

#ECE7E6

border

#C7C3C2

text

#070100

muted

#7A7777

Preview Lab

Preview with #310A02

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

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