#310C07#310C07

#310C07 is a very dark, moderate red. Relative luminance 0.009; OKLCH L 21.7% C 0.062 H 30.8°. Best body text is #FFFFFF at 17.70:1 contrast (WCAG AA passes).

Color values

HEX	#310C07
RGB	rgb(49, 12, 7)
HSL	hsl(7, 75%, 11%)
HSV	hsv(7, 86%, 19%)
CMYK	cmyk(0%, 75.5%, 85.7%, 80.8%)
CIE-LAB	lab(8.41, 18.42, 10.13)
CIE-LCH	lch(8.41, 21.02, 28.81°)
OKLab	oklab(21.74% 0.0529 0.0315)
OKLCH	oklch(21.74% 0.062 30.8)
XYZ	xyz(1.4366, 0.9315, 0.3051)
Luminance	0.0093 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#310C07 #072C31

analogous

#310717 #310C07 #312107

triadic

#310C07 #07310C #0C0731

tetradic

#310C07 #173107 #072C31 #210731

square

#310C07 #173107 #072C31 #210731

split-complementary

#310C07 #073121 #071731

monochromatic

#1B0704 #1B0704 #310C07 #67190F #9C2616

Accessibility & contrast

On white

17.70

#310C07 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.19

#310C07 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #310C07

17.70:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##310C07	#FFFFFF	#000000	##FFFFFF
##310C07	1.00	17.70	1.19	17.70
#FFFFFF	17.70	1.00	21.00	1.00
#000000	1.19	21.00	1.00	21.00
##FFFFFF	17.70	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#161306

Deuteranopia (green-blind)

#1F1B06

Tritanopia (blue-blind)

#37040B

Achromatopsia (no color)

#181818

Design tokens & code

CSS

--color: #310c07;
/* rgb */ color: rgb(49, 12, 7);
/* oklch */ color: oklch(21.7% 0.062 30.8);

Tailwind

colors: {
  custom: {
    50: '#6c4d4a',
    500: '#310c07',
    950: '#000000',
  },
}

SCSS

$custom: #310c07;
$custom-light: #6c4d4a;
$custom-dark: #000000;

JSON

{
  "hex": "#310c07",
  "rgb": {
    "r": 49,
    "g": 12,
    "b": 7
  },
  "hsl": {
    "h": 7.143,
    "s": 75,
    "l": 10.98
  },
  "oklch": {
    "l": 0.21743,
    "c": 0.06158,
    "h": 30.8
  },
  "luminance": 0.00931
}

Semantic roles & 50–950 ramp

primary

#310C07

secondary

#236771

accent

#DBF236

background

#F6F4F4

surface

#ECE7E7

border

#C7C3C3

text

#070101

muted

#7A7777

Preview Lab

Preview with #310C07

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

Preview Lab → · Contrast checker → · Palette generator →