#310705#310705

#310705 is a very dark, moderate red. Relative luminance 0.008; OKLCH L 20.9% C 0.068 H 28.2°. Best body text is #FFFFFF at 18.05:1 contrast (WCAG AA passes).

Color values

HEX	#310705
RGB	rgb(49, 7, 5)
HSL	hsl(3, 81%, 11%)
HSV	hsv(3, 90%, 19%)
CMYK	cmyk(0%, 85.7%, 89.8%, 80.8%)
CIE-LAB	lab(7.37, 20.95, 9.44)
CIE-LCH	lch(7.37, 22.98, 24.25°)
OKLab	oklab(20.94% 0.0603 0.0324)
OKLCH	oklch(20.94% 0.068 28.2)
XYZ	xyz(1.3702, 0.8161, 0.2289)
Luminance	0.0082 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#310705 #052F31

analogous

#310519 #310705 #311D05

triadic

#310705 #053107 #070531

tetradic

#310705 #193105 #052F31 #1D0531

square

#310705 #193105 #052F31 #1D0531

split-complementary

#310705 #05311D #051931

monochromatic

#1C0403 #1C0403 #310705 #690F0B #A01710

Accessibility & contrast

On white

18.05

#310705 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.16

#310705 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #310705

18.05:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##310705	#FFFFFF	#000000	##FFFFFF
##310705	1.00	18.05	1.16	18.05
#FFFFFF	18.05	1.00	21.00	1.00
#000000	1.16	21.00	1.00	21.00
##FFFFFF	18.05	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#131005

Deuteranopia (green-blind)

#1E1A04

Tritanopia (blue-blind)

#370007

Achromatopsia (no color)

#161616

Design tokens & code

CSS

--color: #310705;
/* rgb */ color: rgb(49, 7, 5);
/* oklch */ color: oklch(20.9% 0.068 28.2);

Tailwind

colors: {
  custom: {
    50: '#6d4a49',
    500: '#310705',
    950: '#000000',
  },
}

SCSS

$custom: #310705;
$custom-light: #6d4a49;
$custom-dark: #000000;

JSON

{
  "hex": "#310705",
  "rgb": {
    "r": 49,
    "g": 7,
    "b": 5
  },
  "hsl": {
    "h": 2.727,
    "s": 81.481,
    "l": 10.588
  },
  "oklch": {
    "l": 0.20941,
    "c": 0.06848,
    "h": 28.2
  },
  "luminance": 0.00816
}

Semantic roles & 50–950 ramp

primary

#310705

secondary

#1F6F72

accent

#EFF830

background

#F6F4F4

surface

#ECE7E6

border

#C7C3C2

text

#070100

muted

#7A7777

Preview Lab

Preview with #310705

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

Preview Lab → · Contrast checker → · Palette generator →