#310A08#310A08

#310A08 is a very dark, moderate red. Relative luminance 0.009; OKLCH L 21.5% C 0.064 H 27.0°. Best body text is #FFFFFF at 17.83:1 contrast (WCAG AA passes).

Color values

HEX	#310A08
RGB	rgb(49, 10, 8)
HSL	hsl(3, 72%, 11%)
HSV	hsv(3, 84%, 19%)
CMYK	cmyk(0%, 79.6%, 83.7%, 80.8%)
CIE-LAB	lab(8.02, 19.59, 9.16)
CIE-LCH	lch(8.02, 21.62, 25.06°)
OKLab	oklab(21.46% 0.0569 0.029)
OKLCH	oklch(21.46% 0.064 27)
XYZ	xyz(1.4191, 0.8878, 0.3263)
Luminance	0.0089 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#310A08 #082F31

analogous

#31081A #310A08 #311E08

triadic

#310A08 #08310A #0A0831

tetradic

#310A08 #1A3108 #082F31 #1E0831

square

#310A08 #1A3108 #082F31 #1E0831

split-complementary

#310A08 #08311E #081A31

monochromatic

#1A0504 #1A0504 #310A08 #661511 #9A1F19

Accessibility & contrast

On white

17.83

#310A08 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.18

#310A08 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #310A08

17.83:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##310A08	#FFFFFF	#000000	##FFFFFF
##310A08	1.00	17.83	1.18	17.83
#FFFFFF	17.83	1.00	21.00	1.00
#000000	1.18	21.00	1.00	21.00
##FFFFFF	17.83	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#151208

Deuteranopia (green-blind)

#1F1B07

Tritanopia (blue-blind)

#37030A

Achromatopsia (no color)

#181818

Design tokens & code

CSS

--color: #310a08;
/* rgb */ color: rgb(49, 10, 8);
/* oklch */ color: oklch(21.5% 0.064 27.0);

Tailwind

colors: {
  custom: {
    50: '#6c4c4a',
    500: '#310a08',
    950: '#000000',
  },
}

SCSS

$custom: #310a08;
$custom-light: #6c4c4a;
$custom-dark: #000000;

JSON

{
  "hex": "#310a08",
  "rgb": {
    "r": 49,
    "g": 10,
    "b": 8
  },
  "hsl": {
    "h": 2.927,
    "s": 71.93,
    "l": 11.176
  },
  "oklch": {
    "l": 0.21458,
    "c": 0.0638,
    "h": 27
  },
  "luminance": 0.00888
}

Semantic roles & 50–950 ramp

primary

#310A08

secondary

#256C70

accent

#E6EF39

background

#F6F4F4

surface

#ECE7E7

border

#C7C3C3

text

#070101

muted

#7A7777

Preview Lab

Preview with #310A08

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

Preview Lab → · Contrast checker → · Palette generator →