#310906#310906

#310906 is a very dark, moderate red. Relative luminance 0.009; OKLCH L 21.3% C 0.066 H 28.9°. Best body text is #FFFFFF at 17.92:1 contrast (WCAG AA passes).

Color values

HEX	#310906
RGB	rgb(49, 9, 6)
HSL	hsl(4, 78%, 11%)
HSV	hsv(4, 88%, 19%)
CMYK	cmyk(0%, 81.6%, 87.8%, 80.8%)
CIE-LAB	lab(7.78, 19.97, 9.63)
CIE-LCH	lch(7.78, 22.17, 25.74°)
OKLab	oklab(21.27% 0.0574 0.0317)
OKLCH	oklch(21.27% 0.066 28.9)
XYZ	xyz(1.3973, 0.8617, 0.2650)
Luminance	0.0086 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#310906 #062E31

analogous

#310618 #310906 #311E06

triadic

#310906 #063109 #090631

tetradic

#310906 #183106 #062E31 #1E0631

square

#310906 #183106 #062E31 #1E0631

split-complementary

#310906 #06311E #061831

monochromatic

#1B0503 #1B0503 #310906 #68130D #9E1D13

Accessibility & contrast

On white

17.92

#310906 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.17

#310906 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #310906

17.92:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##310906	#FFFFFF	#000000	##FFFFFF
##310906	1.00	17.92	1.17	17.92
#FFFFFF	17.92	1.00	21.00	1.00
#000000	1.17	21.00	1.00	21.00
##FFFFFF	17.92	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#141205

Deuteranopia (green-blind)

#1E1A05

Tritanopia (blue-blind)

#370109

Achromatopsia (no color)

#171717

Design tokens & code

CSS

--color: #310906;
/* rgb */ color: rgb(49, 9, 6);
/* oklch */ color: oklch(21.3% 0.066 28.9);

Tailwind

colors: {
  custom: {
    50: '#6c4b49',
    500: '#310906',
    950: '#000000',
  },
}

SCSS

$custom: #310906;
$custom-light: #6c4b49;
$custom-dark: #000000;

JSON

{
  "hex": "#310906",
  "rgb": {
    "r": 49,
    "g": 9,
    "b": 6
  },
  "hsl": {
    "h": 4.186,
    "s": 78.182,
    "l": 10.784
  },
  "oklch": {
    "l": 0.21267,
    "c": 0.06558,
    "h": 28.9
  },
  "luminance": 0.00861
}

Semantic roles & 50–950 ramp

primary

#310906

secondary

#216C72

accent

#E7F533

background

#F6F4F4

surface

#ECE7E6

border

#C7C3C2

text

#070100

muted

#7A7777

Preview Lab

Preview with #310906

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

Preview Lab → · Contrast checker → · Palette generator →