#310301#310301

#310301 is a very dark, moderate red. Relative luminance 0.007; OKLCH L 20.2% C 0.076 H 30.5°. Best body text is #FFFFFF at 18.36:1 contrast (WCAG AA passes).

Color values

HEX	#310301
RGB	rgb(49, 3, 1)
HSL	hsl(3, 96%, 10%)
HSV	hsv(3, 98%, 19%)
CMYK	cmyk(0%, 93.9%, 98%, 80.8%)
CIE-LAB	lab(6.51, 22.70, 9.80)
CIE-LCH	lch(6.51, 24.73, 23.36°)
OKLab	oklab(20.21% 0.0651 0.0383)
OKLCH	oklch(20.21% 0.076 30.5)
XYZ	xyz(1.3048, 0.7205, 0.0991)
Luminance	0.0072 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#310301 #012F31

analogous

#310117 #310301 #311B01

triadic

#310301 #013103 #030131

tetradic

#310301 #173101 #012F31 #1B0131

square

#310301 #173101 #012F31 #1B0131

split-complementary

#310301 #01311B #011731

monochromatic

#1E0201 #1E0201 #310301 #6D0702 #A90A03

Accessibility & contrast

On white

18.36

#310301 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.14

#310301 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #310301

18.36:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##310301	#FFFFFF	#000000	##FFFFFF
##310301	1.00	18.36	1.14	18.36
#FFFFFF	18.36	1.00	21.00	1.00
#000000	1.14	21.00	1.00	21.00
##FFFFFF	18.36	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#110E01

Deuteranopia (green-blind)

#1D1800

Tritanopia (blue-blind)

#370003

Achromatopsia (no color)

#141414

Design tokens & code

CSS

--color: #310301;
/* rgb */ color: rgb(49, 3, 1);
/* oklch */ color: oklch(20.2% 0.076 30.5);

Tailwind

colors: {
  custom: {
    50: '#6d4847',
    500: '#310301',
    950: '#000000',
  },
}

SCSS

$custom: #310301;
$custom-light: #6d4847;
$custom-dark: #000000;

JSON

{
  "hex": "#310301",
  "rgb": {
    "r": 49,
    "g": 3,
    "b": 1
  },
  "hsl": {
    "h": 2.5,
    "s": 96,
    "l": 9.804
  },
  "oklch": {
    "l": 0.20206,
    "c": 0.07552,
    "h": 30.5
  },
  "luminance": 0.0072
}

Semantic roles & 50–950 ramp

primary

#310301

secondary

#177377

accent

#F6FF29

background

#F6F4F3

surface

#ECE6E5

border

#C7C2C1

text

#080000

muted

#7A7777

Preview Lab

Preview with #310301

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

Preview Lab → · Contrast checker → · Palette generator →