#31060B#31060B

#31060B is a very dark, moderate red. Relative luminance 0.008; OKLCH L 20.9% C 0.069 H 18.7°. Best body text is #FFFFFF at 18.08:1 contrast (WCAG AA passes).

Color values

HEX	#31060B
RGB	rgb(49, 6, 11)
HSL	hsl(353, 78%, 11%)
HSV	hsv(353, 88%, 19%)
CMYK	cmyk(0%, 87.8%, 77.6%, 80.8%)
CIE-LAB	lab(7.29, 21.93, 6.87)
CIE-LCH	lch(7.29, 22.98, 17.39°)
OKLab	oklab(20.92% 0.0654 0.0222)
OKLCH	oklch(20.92% 0.069 18.7)
XYZ	xyz(1.3923, 0.8076, 0.3991)
Luminance	0.0081 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#31060B #06312C

analogous

#310620 #31060B #311606

triadic

#31060B #0B3106 #060B31

tetradic

#31060B #203106 #06312C #160631

square

#31060B #203106 #06312C #160631

split-complementary

#31060B #063116 #062031

monochromatic

#1B0306 #1B0306 #31060B #680D17 #9E1323

Accessibility & contrast

On white

18.08

#31060B on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.16

#31060B on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #31060B

18.08:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##31060B	#FFFFFF	#000000	##FFFFFF
##31060B	1.00	18.08	1.16	18.08
#FFFFFF	18.08	1.00	21.00	1.00
#000000	1.16	21.00	1.00	21.00
##FFFFFF	18.08	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#12100B

Deuteranopia (green-blind)

#1D190A

Tritanopia (blue-blind)

#370008

Achromatopsia (no color)

#161616

Design tokens & code

CSS

--color: #31060b;
/* rgb */ color: rgb(49, 6, 11);
/* oklch */ color: oklch(20.9% 0.069 18.7);

Tailwind

colors: {
  custom: {
    50: '#6d494b',
    500: '#31060b',
    950: '#000000',
  },
}

SCSS

$custom: #31060b;
$custom-light: #6d494b;
$custom-dark: #000000;

JSON

{
  "hex": "#31060b",
  "rgb": {
    "r": 49,
    "g": 6,
    "b": 11
  },
  "hsl": {
    "h": 353.023,
    "s": 78.182,
    "l": 10.784
  },
  "oklch": {
    "l": 0.20921,
    "c": 0.06906,
    "h": 18.7
  },
  "luminance": 0.00807
}

Semantic roles & 50–950 ramp

primary

#31060B

secondary

#217268

accent

#F5DE33

background

#F6F4F4

surface

#ECE7E7

border

#C7C3C3

text

#070101

muted

#7A7777

Preview Lab

Preview with #31060B

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

Preview Lab → · Contrast checker → · Palette generator →