#310907#310907

#310907 is a very dark, moderate red. Relative luminance 0.009; OKLCH L 21.3% C 0.065 H 27.4°. Best body text is #FFFFFF at 17.91:1 contrast (WCAG AA passes).

Color values

HEX	#310907
RGB	rgb(49, 9, 7)
HSL	hsl(3, 75%, 11%)
HSV	hsv(3, 86%, 19%)
CMYK	cmyk(0%, 81.6%, 85.7%, 80.8%)
CIE-LAB	lab(7.80, 20.05, 9.25)
CIE-LCH	lch(7.80, 22.08, 24.77°)
OKLab	oklab(21.29% 0.058 0.03)
OKLCH	oklch(21.29% 0.065 27.4)
XYZ	xyz(1.4028, 0.8639, 0.2939)
Luminance	0.0086 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#310907 #072F31

analogous

#31071A #310907 #311E07

triadic

#310907 #073109 #090731

tetradic

#310907 #1A3107 #072F31 #1E0731

square

#310907 #1A3107 #072F31 #1E0731

split-complementary

#310907 #07311E #071A31

monochromatic

#1B0504 #1B0504 #310907 #67130F #9C1D16

Accessibility & contrast

On white

17.91

#310907 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.17

#310907 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #310907

17.91:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##310907	#FFFFFF	#000000	##FFFFFF
##310907	1.00	17.91	1.17	17.91
#FFFFFF	17.91	1.00	21.00	1.00
#000000	1.17	21.00	1.00	21.00
##FFFFFF	17.91	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#141207

Deuteranopia (green-blind)

#1E1A06

Tritanopia (blue-blind)

#370109

Achromatopsia (no color)

#171717

Design tokens & code

CSS

--color: #310907;
/* rgb */ color: rgb(49, 9, 7);
/* oklch */ color: oklch(21.3% 0.065 27.4);

Tailwind

colors: {
  custom: {
    50: '#6c4b4a',
    500: '#310907',
    950: '#000000',
  },
}

SCSS

$custom: #310907;
$custom-light: #6c4b4a;
$custom-dark: #000000;

JSON

{
  "hex": "#310907",
  "rgb": {
    "r": 49,
    "g": 9,
    "b": 7
  },
  "hsl": {
    "h": 2.857,
    "s": 75,
    "l": 10.98
  },
  "oklch": {
    "l": 0.21289,
    "c": 0.06531,
    "h": 27.4
  },
  "luminance": 0.00864
}

Semantic roles & 50–950 ramp

primary

#310907

secondary

#236D71

accent

#E9F236

background

#F6F4F4

surface

#ECE7E7

border

#C7C3C3

text

#070101

muted

#7A7777

Preview Lab

Preview with #310907

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

Preview Lab → · Contrast checker → · Palette generator →