#310102#310102

#310102 is a very dark, moderate red. Relative luminance 0.007; OKLCH L 19.9% C 0.078 H 26.8°. Best body text is #FFFFFF at 18.49:1 contrast (WCAG AA passes).

Color values

HEX	#310102
RGB	rgb(49, 1, 2)
HSL	hsl(359, 96%, 10%)
HSV	hsv(359, 98%, 19%)
CMYK	cmyk(0%, 98%, 95.9%, 80.8%)
CIE-LAB	lab(6.14, 23.81, 8.85)
CIE-LCH	lch(6.14, 25.40, 20.40°)
OKLab	oklab(19.89% 0.07 0.0353)
OKLCH	oklch(19.89% 0.078 26.8)
XYZ	xyz(1.2886, 0.6793, 0.1207)
Luminance	0.0068 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#310102 #013130

analogous

#31011A #310102 #311801

triadic

#310102 #023101 #010231

tetradic

#310102 #1A3101 #013130 #180131

square

#310102 #1A3101 #013130 #180131

split-complementary

#310102 #013118 #011A31

monochromatic

#1E0101 #1E0101 #310102 #6D0204 #A90307

Accessibility & contrast

On white

18.49

#310102 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.14

#310102 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #310102

18.49:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##310102	#FFFFFF	#000000	##FFFFFF
##310102	1.00	18.49	1.14	18.49
#FFFFFF	18.49	1.00	21.00	1.00
#000000	1.14	21.00	1.00	21.00
##FFFFFF	18.49	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0F0C02

Deuteranopia (green-blind)

#1C1701

Tritanopia (blue-blind)

#370002

Achromatopsia (no color)

#141414

Design tokens & code

CSS

--color: #310102;
/* rgb */ color: rgb(49, 1, 2);
/* oklch */ color: oklch(19.9% 0.078 26.8);

Tailwind

colors: {
  custom: {
    50: '#6d4647',
    500: '#310102',
    950: '#000000',
  },
}

SCSS

$custom: #310102;
$custom-light: #6d4647;
$custom-dark: #000000;

JSON

{
  "hex": "#310102",
  "rgb": {
    "r": 49,
    "g": 1,
    "b": 2
  },
  "hsl": {
    "h": 358.75,
    "s": 96,
    "l": 9.804
  },
  "oklch": {
    "l": 0.19891,
    "c": 0.07836,
    "h": 26.8
  },
  "luminance": 0.00679
}

Semantic roles & 50–950 ramp

primary

#310102

secondary

#177775

accent

#FFFB29

background

#F6F4F4

surface

#ECE6E6

border

#C7C2C2

text

#080000

muted

#7A7777

Preview Lab

Preview with #310102

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

Preview Lab → · Contrast checker → · Palette generator →