#310F07#310F07

#310F07 is a very dark, muted red. Relative luminance 0.010; OKLCH L 22.2% C 0.058 H 35.0°. Best body text is #FFFFFF at 17.47:1 contrast (WCAG AA passes).

Color values

HEX	#310F07
RGB	rgb(49, 15, 7)
HSL	hsl(11, 75%, 11%)
HSV	hsv(11, 86%, 19%)
CMYK	cmyk(0%, 69.4%, 85.7%, 80.8%)
CIE-LAB	lab(9.08, 16.65, 11.10)
CIE-LCH	lch(9.08, 20.01, 33.68°)
OKLab	oklab(22.25% 0.0474 0.0332)
OKLCH	oklch(22.25% 0.058 35)
XYZ	xyz(1.4759, 1.0102, 0.3182)
Luminance	0.0101 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#310F07 #072931

analogous

#310714 #310F07 #312407

triadic

#310F07 #07310F #0F0731

tetradic

#310F07 #143107 #072931 #240731

square

#310F07 #143107 #072931 #240731

split-complementary

#310F07 #073124 #071431

monochromatic

#1B0804 #1B0804 #310F07 #671F0F #9C3016

Accessibility & contrast

On white

17.47

#310F07 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.20

#310F07 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #310F07

17.47:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##310F07	#FFFFFF	#000000	##FFFFFF
##310F07	1.00	17.47	1.20	17.47
#FFFFFF	17.47	1.00	21.00	1.00
#000000	1.20	21.00	1.00	21.00
##FFFFFF	17.47	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#181506

Deuteranopia (green-blind)

#211C06

Tritanopia (blue-blind)

#37080D

Achromatopsia (no color)

#1A1A1A

Design tokens & code

CSS

--color: #310f07;
/* rgb */ color: rgb(49, 15, 7);
/* oklch */ color: oklch(22.2% 0.058 35.0);

Tailwind

colors: {
  custom: {
    50: '#6c4e4a',
    500: '#310f07',
    950: '#000000',
  },
}

SCSS

$custom: #310f07;
$custom-light: #6c4e4a;
$custom-dark: #000000;

JSON

{
  "hex": "#310f07",
  "rgb": {
    "r": 49,
    "g": 15,
    "b": 7
  },
  "hsl": {
    "h": 11.429,
    "s": 75,
    "l": 10.98
  },
  "oklch": {
    "l": 0.22248,
    "c": 0.05786,
    "h": 35
  },
  "luminance": 0.0101
}

Semantic roles & 50–950 ramp

primary

#310F07

secondary

#236271

accent

#CEF236

background

#F6F4F4

surface

#ECE7E7

border

#C7C3C3

text

#070201

muted

#7A7877

Preview Lab

Preview with #310F07

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

Preview Lab → · Contrast checker → · Palette generator →