#310A0E#310A0E

#310A0E is a very dark, moderate red. Relative luminance 0.009; OKLCH L 21.6% C 0.063 H 18.3°. Best body text is #FFFFFF at 17.79:1 contrast (WCAG AA passes).

Color values

HEX	#310A0E
RGB	rgb(49, 10, 14)
HSL	hsl(354, 66%, 12%)
HSV	hsv(354, 80%, 19%)
CMYK	cmyk(0%, 79.6%, 71.4%, 80.8%)
CIE-LAB	lab(8.15, 20.06, 6.71)
CIE-LCH	lch(8.15, 21.15, 18.50°)
OKLab	oklab(21.59% 0.0598 0.0198)
OKLCH	oklch(21.59% 0.063 18.3)
XYZ	xyz(1.4546, 0.9020, 0.5129)
Luminance	0.0090 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#310A0E #0A312D

analogous

#310A22 #310A0E #311A0A

triadic

#310A0E #0E310A #0A0E31

tetradic

#310A0E #22310A #0A312D #1A0A31

square

#310A0E #22310A #0A312D #1A0A31

split-complementary

#310A0E #0A311A #0A2231

monochromatic

#190507 #190507 #310A0E #64141D #971F2B

Accessibility & contrast

On white

17.79

#310A0E on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.18

#310A0E on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #310A0E

17.79:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##310A0E	#FFFFFF	#000000	##FFFFFF
##310A0E	1.00	17.79	1.18	17.79
#FFFFFF	17.79	1.00	21.00	1.00
#000000	1.18	21.00	1.00	21.00
##FFFFFF	17.79	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#14130E

Deuteranopia (green-blind)

#1E1B0D

Tritanopia (blue-blind)

#36040C

Achromatopsia (no color)

#181818

Design tokens & code

CSS

--color: #310a0e;
/* rgb */ color: rgb(49, 10, 14);
/* oklch */ color: oklch(21.6% 0.063 18.3);

Tailwind

colors: {
  custom: {
    50: '#6c4c4d',
    500: '#310a0e',
    950: '#000000',
  },
}

SCSS

$custom: #310a0e;
$custom-light: #6c4c4d;
$custom-dark: #000000;

JSON

{
  "hex": "#310a0e",
  "rgb": {
    "r": 49,
    "g": 10,
    "b": 14
  },
  "hsl": {
    "h": 353.846,
    "s": 66.102,
    "l": 11.569
  },
  "oklch": {
    "l": 0.21594,
    "c": 0.06303,
    "h": 18.3
  },
  "luminance": 0.00902
}

Semantic roles & 50–950 ramp

primary

#310A0E

secondary

#296E67

accent

#E9D83F

background

#F6F4F4

surface

#ECE7E7

border

#C7C3C3

text

#070101

muted

#7A7777

Preview Lab

Preview with #310A0E

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

Preview Lab → · Contrast checker → · Palette generator →