#400C10#400C10

#400C10 is a dark, moderate red. Relative luminance 0.014; OKLCH L 25.0% C 0.080 H 21.0°. Best body text is #FFFFFF at 16.43:1 contrast (WCAG AA passes).

Color values

HEX	#400C10
RGB	rgb(64, 12, 16)
HSL	hsl(355, 68%, 15%)
HSV	hsv(355, 81%, 25%)
CMYK	cmyk(0%, 81.2%, 75%, 74.9%)
CIE-LAB	lab(11.90, 25.21, 11.42)
CIE-LCH	lch(11.90, 27.67, 24.38°)
OKLab	oklab(25.03% 0.0744 0.0286)
OKLCH	oklch(25.03% 0.08 21)
XYZ	xyz(2.3396, 1.3907, 0.6353)
Luminance	0.0139 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#400C10 #0C403C

analogous

#400C2A #400C10 #40220C

triadic

#400C10 #10400C #0C1040

tetradic

#400C10 #2A400C #0C403C #220C40

square

#400C10 #2A400C #0C403C #220C40

split-complementary

#400C10 #0C4022 #0C2A40

monochromatic

#1A0506 #1A0506 #400C10 #74161D #A71F2A

Accessibility & contrast

On white

16.43

#400C10 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.28

#400C10 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #400C10

16.43:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##400C10	#FFFFFF	#000000	##FFFFFF
##400C10	1.00	16.43	1.28	16.43
#FFFFFF	16.43	1.00	21.00	1.00
#000000	1.28	21.00	1.00	21.00
##FFFFFF	16.43	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#1A1810

Deuteranopia (green-blind)

#28230E

Tritanopia (blue-blind)

#47010E

Achromatopsia (no color)

#1F1F1F

Design tokens & code

CSS

--color: #400c10;
/* rgb */ color: rgb(64, 12, 16);
/* oklch */ color: oklch(25.0% 0.080 21.0);

Tailwind

colors: {
  custom: {
    50: '#794f4e',
    500: '#400c10',
    950: '#000000',
  },
}

SCSS

$custom: #400c10;
$custom-light: #794f4e;
$custom-dark: #000000;

JSON

{
  "hex": "#400c10",
  "rgb": {
    "r": 64,
    "g": 12,
    "b": 16
  },
  "hsl": {
    "h": 355.385,
    "s": 68.421,
    "l": 14.902
  },
  "oklch": {
    "l": 0.25025,
    "c": 0.07971,
    "h": 21
  },
  "luminance": 0.0139
}

Semantic roles & 50–950 ramp

primary

#400C10

secondary

#2C7C76

accent

#EBDE3D

background

#F7F4F4

surface

#EEE7E7

border

#C9C3C3

text

#0A0201

muted

#7C7877

Preview Lab

Preview with #400C10

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

Preview Lab → · Contrast checker → · Palette generator →