#310D06#310D06

#310D06 is a very dark, moderate red. Relative luminance 0.010; OKLCH L 21.9% C 0.061 H 33.6°. Best body text is #FFFFFF at 17.64:1 contrast (WCAG AA passes).

Color values

HEX	#310D06
RGB	rgb(49, 13, 6)
HSL	hsl(10, 78%, 11%)
HSV	hsv(10, 88%, 19%)
CMYK	cmyk(0%, 73.5%, 87.8%, 80.8%)
CIE-LAB	lab(8.60, 17.77, 10.82)
CIE-LCH	lch(8.60, 20.81, 31.34°)
OKLab	oklab(21.89% 0.0506 0.0336)
OKLCH	oklch(21.89% 0.061 33.6)
XYZ	xyz(1.4436, 0.9542, 0.2804)
Luminance	0.0095 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#310D06 #062A31

analogous

#310614 #310D06 #312206

triadic

#310D06 #06310D #0D0631

tetradic

#310D06 #143106 #062A31 #220631

square

#310D06 #143106 #062A31 #220631

split-complementary

#310D06 #063122 #061431

monochromatic

#1B0703 #1B0703 #310D06 #681B0D #9E2A13

Accessibility & contrast

On white

17.64

#310D06 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.19

#310D06 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #310D06

17.64:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##310D06	#FFFFFF	#000000	##FFFFFF
##310D06	1.00	17.64	1.19	17.64
#FFFFFF	17.64	1.00	21.00	1.00
#000000	1.19	21.00	1.00	21.00
##FFFFFF	17.64	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#171405

Deuteranopia (green-blind)

#201C05

Tritanopia (blue-blind)

#37050B

Achromatopsia (no color)

#191919

Design tokens & code

CSS

--color: #310d06;
/* rgb */ color: rgb(49, 13, 6);
/* oklch */ color: oklch(21.9% 0.061 33.6);

Tailwind

colors: {
  custom: {
    50: '#6c4d49',
    500: '#310d06',
    950: '#000000',
  },
}

SCSS

$custom: #310d06;
$custom-light: #6c4d49;
$custom-dark: #000000;

JSON

{
  "hex": "#310d06",
  "rgb": {
    "r": 49,
    "g": 13,
    "b": 6
  },
  "hsl": {
    "h": 9.767,
    "s": 78.182,
    "l": 10.784
  },
  "oklch": {
    "l": 0.21885,
    "c": 0.0607,
    "h": 33.6
  },
  "luminance": 0.00954
}

Semantic roles & 50–950 ramp

primary

#310D06

secondary

#216472

accent

#D5F533

background

#F6F4F4

surface

#ECE7E6

border

#C7C3C2

text

#070100

muted

#7A7777

Preview Lab

Preview with #310D06

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

Preview Lab → · Contrast checker → · Palette generator →