#400D10#400D10

#400D10 is a dark, moderate red. Relative luminance 0.014; OKLCH L 25.1% C 0.079 H 21.7°. Best body text is #FFFFFF at 16.37:1 contrast (WCAG AA passes).

Color values

HEX	#400D10
RGB	rgb(64, 13, 16)
HSL	hsl(356, 66%, 15%)
HSV	hsv(356, 80%, 25%)
CMYK	cmyk(0%, 79.7%, 75%, 74.9%)
CIE-LAB	lab(12.06, 24.75, 11.65)
CIE-LCH	lch(12.06, 27.35, 25.20°)
OKLab	oklab(25.15% 0.073 0.0291)
OKLCH	oklch(25.15% 0.079 21.7)
XYZ	xyz(2.3520, 1.4156, 0.6395)
Luminance	0.0141 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#400D10 #0D403D

analogous

#400D29 #400D10 #40240D

triadic

#400D10 #10400D #0D1040

tetradic

#400D10 #29400D #0D403D #240D40

square

#400D10 #29400D #0D403D #240D40

split-complementary

#400D10 #0D4024 #0D2940

monochromatic

#190506 #190506 #400D10 #73171D #A62229

Accessibility & contrast

On white

16.37

#400D10 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.28

#400D10 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #400D10

16.37:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##400D10	#FFFFFF	#000000	##FFFFFF
##400D10	1.00	16.37	1.28	16.37
#FFFFFF	16.37	1.00	21.00	1.00
#000000	1.28	21.00	1.00	21.00
##FFFFFF	16.37	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#1B1910

Deuteranopia (green-blind)

#28240F

Tritanopia (blue-blind)

#47020F

Achromatopsia (no color)

#202020

Design tokens & code

CSS

--color: #400d10;
/* rgb */ color: rgb(64, 13, 16);
/* oklch */ color: oklch(25.1% 0.079 21.7);

Tailwind

colors: {
  custom: {
    50: '#79504e',
    500: '#400d10',
    950: '#000000',
  },
}

SCSS

$custom: #400d10;
$custom-light: #79504e;
$custom-dark: #000000;

JSON

{
  "hex": "#400d10",
  "rgb": {
    "r": 64,
    "g": 13,
    "b": 16
  },
  "hsl": {
    "h": 356.471,
    "s": 66.234,
    "l": 15.098
  },
  "oklch": {
    "l": 0.25149,
    "c": 0.07853,
    "h": 21.7
  },
  "luminance": 0.01415
}

Semantic roles & 50–950 ramp

primary

#400D10

secondary

#2D7C77

accent

#E9DF3F

background

#F7F4F4

surface

#EEE7E7

border

#C9C3C3

text

#0A0201

muted

#7C7877

Preview Lab

Preview with #400D10

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

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