#400F0D#400F0D

#400F0D is a dark, moderate red. Relative luminance 0.015; OKLCH L 25.4% C 0.077 H 26.5°. Best body text is #FFFFFF at 16.25:1 contrast (WCAG AA passes).

Color values

HEX	#400F0D
RGB	rgb(64, 15, 13)
HSL	hsl(2, 66%, 15%)
HSV	hsv(2, 80%, 25%)
CMYK	cmyk(0%, 76.6%, 79.7%, 74.9%)
CIE-LAB	lab(12.36, 23.60, 13.60)
CIE-LCH	lch(12.36, 27.24, 29.97°)
OKLab	oklab(25.35% 0.0686 0.0341)
OKLCH	oklch(25.35% 0.077 26.5)
XYZ	xyz(2.3581, 1.4610, 0.5385)
Luminance	0.0146 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#400F0D #0D3E40

analogous

#400D24 #400F0D #40280D

triadic

#400F0D #0D400F #0F0D40

tetradic

#400F0D #24400D #0D3E40 #280D40

square

#400F0D #24400D #0D3E40 #280D40

split-complementary

#400F0D #0D4028 #0D2440

monochromatic

#190605 #190605 #400F0D #731B17 #A62722

Accessibility & contrast

On white

16.25

#400F0D on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.29

#400F0D on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #400F0D

16.25:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##400F0D	#FFFFFF	#000000	##FFFFFF
##400F0D	1.00	16.25	1.29	16.25
#FFFFFF	16.25	1.00	21.00	1.00
#000000	1.29	21.00	1.00	21.00
##FFFFFF	16.25	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#1D1A0C

Deuteranopia (green-blind)

#29240B

Tritanopia (blue-blind)

#47030F

Achromatopsia (no color)

#202020

Design tokens & code

CSS

--color: #400f0d;
/* rgb */ color: rgb(64, 15, 13);
/* oklch */ color: oklch(25.4% 0.077 26.5);

Tailwind

colors: {
  custom: {
    50: '#79514c',
    500: '#400f0d',
    950: '#000000',
  },
}

SCSS

$custom: #400f0d;
$custom-light: #79514c;
$custom-dark: #000000;

JSON

{
  "hex": "#400f0d",
  "rgb": {
    "r": 64,
    "g": 15,
    "b": 13
  },
  "hsl": {
    "h": 2.353,
    "s": 66.234,
    "l": 15.098
  },
  "oklch": {
    "l": 0.25353,
    "c": 0.07657,
    "h": 26.5
  },
  "luminance": 0.01461
}

Semantic roles & 50–950 ramp

primary

#400F0D

secondary

#2D787C

accent

#E2E93F

background

#F7F4F4

surface

#EEE7E7

border

#C9C3C3

text

#0A0201

muted

#7C7877

Preview Lab

Preview with #400F0D

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

Preview Lab → · Contrast checker → · Palette generator →