#310801#310801

#310801 is a very dark, moderate red. Relative luminance 0.008; OKLCH L 21.0% C 0.069 H 35.8°. Best body text is #FFFFFF at 18.01:1 contrast (WCAG AA passes).

Color values

HEX	#310801
RGB	rgb(49, 8, 1)
HSL	hsl(9, 96%, 10%)
HSV	hsv(9, 98%, 19%)
CMYK	cmyk(0%, 83.7%, 98%, 80.8%)
CIE-LAB	lab(7.49, 20.12, 11.23)
CIE-LCH	lch(7.49, 23.04, 29.18°)
OKLab	oklab(21.01% 0.0559 0.0403)
OKLCH	oklch(21.01% 0.069 35.8)
XYZ	xyz(1.3591, 0.8290, 0.1172)
Luminance	0.0083 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#310801 #012A31

analogous

#310112 #310801 #312001

triadic

#310801 #013108 #080131

tetradic

#310801 #123101 #012A31 #200131

square

#310801 #123101 #012A31 #200131

split-complementary

#310801 #013120 #011231

monochromatic

#1E0501 #1E0501 #310801 #6D1202 #A91C03

Accessibility & contrast

On white

18.01

#310801 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.17

#310801 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #310801

18.01:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##310801	#FFFFFF	#000000	##FFFFFF
##310801	1.00	18.01	1.17	18.01
#FFFFFF	18.01	1.00	21.00	1.00
#000000	1.17	21.00	1.00	21.00
##FFFFFF	18.01	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#141100

Deuteranopia (green-blind)

#1E1A00

Tritanopia (blue-blind)

#370006

Achromatopsia (no color)

#161616

Design tokens & code

CSS

--color: #310801;
/* rgb */ color: rgb(49, 8, 1);
/* oklch */ color: oklch(21.0% 0.069 35.8);

Tailwind

colors: {
  custom: {
    50: '#6d4a47',
    500: '#310801',
    950: '#000000',
  },
}

SCSS

$custom: #310801;
$custom-light: #6d4a47;
$custom-dark: #000000;

JSON

{
  "hex": "#310801",
  "rgb": {
    "r": 49,
    "g": 8,
    "b": 1
  },
  "hsl": {
    "h": 8.75,
    "s": 96,
    "l": 9.804
  },
  "oklch": {
    "l": 0.21007,
    "c": 0.06884,
    "h": 35.8
  },
  "luminance": 0.00829
}

Semantic roles & 50–950 ramp

primary

#310801

secondary

#176977

accent

#E0FF29

background

#F6F4F3

surface

#ECE7E5

border

#C7C3C1

text

#070100

muted

#7A7777

Preview Lab

Preview with #310801

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

Preview Lab → · Contrast checker → · Palette generator →