#310407#310407

#310407 is a very dark, moderate red. Relative luminance 0.008; OKLCH L 20.5% C 0.073 H 22.2°. Best body text is #FFFFFF at 18.25:1 contrast (WCAG AA passes).

Color values

HEX	#310407
RGB	rgb(49, 4, 7)
HSL	hsl(356, 85%, 10%)
HSV	hsv(356, 92%, 19%)
CMYK	cmyk(0%, 91.8%, 85.7%, 80.8%)
CIE-LAB	lab(6.82, 22.67, 7.82)
CIE-LCH	lch(6.82, 23.98, 19.03°)
OKLab	oklab(20.51% 0.0672 0.0274)
OKLCH	oklch(20.51% 0.073 22.2)
XYZ	xyz(1.3485, 0.7554, 0.2758)
Luminance	0.0076 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#310407 #04312E

analogous

#31041D #310407 #311704

triadic

#310407 #073104 #040731

tetradic

#310407 #1D3104 #04312E #170431

square

#310407 #1D3104 #04312E #170431

split-complementary

#310407 #043117 #041D31

monochromatic

#1C0204 #1C0204 #310407 #6A090F #A20D17

Accessibility & contrast

On white

18.25

#310407 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.15

#310407 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #310407

18.25:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##310407	#FFFFFF	#000000	##FFFFFF
##310407	1.00	18.25	1.15	18.25
#FFFFFF	18.25	1.00	21.00	1.00
#000000	1.15	21.00	1.00	21.00
##FFFFFF	18.25	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#110F07

Deuteranopia (green-blind)

#1C1906

Tritanopia (blue-blind)

#370005

Achromatopsia (no color)

#151515

Design tokens & code

CSS

--color: #310407;
/* rgb */ color: rgb(49, 4, 7);
/* oklch */ color: oklch(20.5% 0.073 22.2);

Tailwind

colors: {
  custom: {
    50: '#6d484a',
    500: '#310407',
    950: '#000000',
  },
}

SCSS

$custom: #310407;
$custom-light: #6d484a;
$custom-dark: #000000;

JSON

{
  "hex": "#310407",
  "rgb": {
    "r": 49,
    "g": 4,
    "b": 7
  },
  "hsl": {
    "h": 356,
    "s": 84.906,
    "l": 10.392
  },
  "oklch": {
    "l": 0.20513,
    "c": 0.07251,
    "h": 22.2
  },
  "luminance": 0.00755
}

Semantic roles & 50–950 ramp

primary

#310407

secondary

#1D736E

accent

#FBED2D

background

#F6F4F4

surface

#ECE6E7

border

#C7C2C3

text

#070101

muted

#7A7777

Preview Lab

Preview with #310407

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

Preview Lab → · Contrast checker → · Palette generator →