#400F0C#400F0C

#400F0C is a dark, moderate red. Relative luminance 0.015; OKLCH L 25.3% C 0.077 H 27.5°. Best body text is #FFFFFF at 16.26:1 contrast (WCAG AA passes).

Color values

HEX	#400F0C
RGB	rgb(64, 15, 12)
HSL	hsl(3, 68%, 15%)
HSV	hsv(3, 81%, 25%)
CMYK	cmyk(0%, 76.6%, 81.2%, 74.9%)
CIE-LAB	lab(12.34, 23.54, 14.05)
CIE-LCH	lch(12.34, 27.41, 30.83°)
OKLab	oklab(25.34% 0.0681 0.0354)
OKLCH	oklch(25.34% 0.077 27.5)
XYZ	xyz(2.3518, 1.4585, 0.5054)
Luminance	0.0146 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#400F0C #0C3D40

analogous

#400C23 #400F0C #40290C

triadic

#400F0C #0C400F #0F0C40

tetradic

#400F0C #23400C #0C3D40 #290C40

square

#400F0C #23400C #0C3D40 #290C40

split-complementary

#400F0C #0C4029 #0C2340

monochromatic

#1A0605 #1A0605 #400F0C #741B16 #A7271F

Accessibility & contrast

On white

16.26

#400F0C on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.29

#400F0C on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #400F0C

16.26:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##400F0C	#FFFFFF	#000000	##FFFFFF
##400F0C	1.00	16.26	1.29	16.26
#FFFFFF	16.26	1.00	21.00	1.00
#000000	1.29	21.00	1.00	21.00
##FFFFFF	16.26	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#1D190B

Deuteranopia (green-blind)

#29240A

Tritanopia (blue-blind)

#47030F

Achromatopsia (no color)

#202020

Design tokens & code

CSS

--color: #400f0c;
/* rgb */ color: rgb(64, 15, 12);
/* oklch */ color: oklch(25.3% 0.077 27.5);

Tailwind

colors: {
  custom: {
    50: '#79514c',
    500: '#400f0c',
    950: '#000000',
  },
}

SCSS

$custom: #400f0c;
$custom-light: #79514c;
$custom-dark: #000000;

JSON

{
  "hex": "#400f0c",
  "rgb": {
    "r": 64,
    "g": 15,
    "b": 12
  },
  "hsl": {
    "h": 3.462,
    "s": 68.421,
    "l": 14.902
  },
  "oklch": {
    "l": 0.25336,
    "c": 0.07676,
    "h": 27.5
  },
  "luminance": 0.01458
}

Semantic roles & 50–950 ramp

primary

#400F0C

secondary

#2C777C

accent

#E1EB3D

background

#F7F4F4

surface

#EEE7E7

border

#C9C3C3

text

#0A0201

muted

#7C7877

Preview Lab

Preview with #400F0C

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

Preview Lab → · Contrast checker → · Palette generator →