#31070F#31070F

#31070F is a very dark, moderate red. Relative luminance 0.008; OKLCH L 21.2% C 0.068 H 13.9°. Best body text is #FFFFFF at 17.98:1 contrast (WCAG AA passes).

Color values

HEX	#31070F
RGB	rgb(49, 7, 15)
HSL	hsl(349, 75%, 11%)
HSV	hsv(349, 86%, 19%)
CMYK	cmyk(0%, 85.7%, 69.4%, 80.8%)
CIE-LAB	lab(7.58, 21.75, 5.37)
CIE-LCH	lch(7.58, 22.40, 13.87°)
OKLab	oklab(21.18% 0.0656 0.0163)
OKLCH	oklch(21.18% 0.068 13.9)
XYZ	xyz(1.4290, 0.8396, 0.5387)
Luminance	0.0084 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#31070F #073129

analogous

#310724 #31070F #311407

triadic

#31070F #0F3107 #070F31

tetradic

#31070F #243107 #073129 #140731

square

#31070F #243107 #073129 #140731

split-complementary

#31070F #073114 #072431

monochromatic

#1B0408 #1B0408 #31070F #670F1F #9C1630

Accessibility & contrast

On white

17.98

#31070F on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.17

#31070F on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #31070F

17.98:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##31070F	#FFFFFF	#000000	##FFFFFF
##31070F	1.00	17.98	1.17	17.98
#FFFFFF	17.98	1.00	21.00	1.00
#000000	1.17	21.00	1.00	21.00
##FFFFFF	17.98	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#12110F

Deuteranopia (green-blind)

#1D1A0E

Tritanopia (blue-blind)

#37010A

Achromatopsia (no color)

#171717

Design tokens & code

CSS

--color: #31070f;
/* rgb */ color: rgb(49, 7, 15);
/* oklch */ color: oklch(21.2% 0.068 13.9);

Tailwind

colors: {
  custom: {
    50: '#6c4a4e',
    500: '#31070f',
    950: '#000000',
  },
}

SCSS

$custom: #31070f;
$custom-light: #6c4a4e;
$custom-dark: #000000;

JSON

{
  "hex": "#31070f",
  "rgb": {
    "r": 49,
    "g": 7,
    "b": 15
  },
  "hsl": {
    "h": 348.571,
    "s": 75,
    "l": 10.98
  },
  "oklch": {
    "l": 0.21178,
    "c": 0.06754,
    "h": 13.9
  },
  "luminance": 0.00839
}

Semantic roles & 50–950 ramp

primary

#31070F

secondary

#237162

accent

#F2CE36

background

#F6F4F4

surface

#ECE7E7

border

#C7C3C3

text

#070101

muted

#7A7777

Preview Lab

Preview with #31070F

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

Preview Lab → · Contrast checker → · Palette generator →