#400C17#400C17

#400C17 is a dark, moderate red. Relative luminance 0.014; OKLCH L 25.2% C 0.080 H 12.8°. Best body text is #FFFFFF at 16.37:1 contrast (WCAG AA passes).

Color values

HEX	#400C17
RGB	rgb(64, 12, 23)
HSL	hsl(347, 68%, 15%)
HSV	hsv(347, 81%, 25%)
CMYK	cmyk(0%, 81.2%, 64.1%, 74.9%)
CIE-LAB	lab(12.06, 25.76, 7.10)
CIE-LCH	lch(12.06, 26.72, 15.40°)
OKLab	oklab(25.2% 0.0777 0.0177)
OKLCH	oklch(25.2% 0.08 12.8)
XYZ	xyz(2.4007, 1.4151, 0.9572)
Luminance	0.0141 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#400C17 #0C4035

analogous

#400C31 #400C17 #401B0C

triadic

#400C17 #17400C #0C1740

tetradic

#400C17 #31400C #0C4035 #1B0C40

square

#400C17 #31400C #0C4035 #1B0C40

split-complementary

#400C17 #0C401B #0C3140

monochromatic

#1A0509 #1A0509 #400C17 #74162A #A71F3C

Accessibility & contrast

On white

16.37

#400C17 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.28

#400C17 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #400C17

16.37:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##400C17	#FFFFFF	#000000	##FFFFFF
##400C17	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)

#191917

Deuteranopia (green-blind)

#272416

Tritanopia (blue-blind)

#470210

Achromatopsia (no color)

#202020

Design tokens & code

CSS

--color: #400c17;
/* rgb */ color: rgb(64, 12, 23);
/* oklch */ color: oklch(25.2% 0.080 12.8);

Tailwind

colors: {
  custom: {
    50: '#794f53',
    500: '#400c17',
    950: '#000000',
  },
}

SCSS

$custom: #400c17;
$custom-light: #794f53;
$custom-dark: #000000;

JSON

{
  "hex": "#400c17",
  "rgb": {
    "r": 64,
    "g": 12,
    "b": 23
  },
  "hsl": {
    "h": 347.308,
    "s": 68.421,
    "l": 14.902
  },
  "oklch": {
    "l": 0.25199,
    "c": 0.07974,
    "h": 12.8
  },
  "luminance": 0.01415
}

Semantic roles & 50–950 ramp

primary

#400C17

secondary

#2C7C6B

accent

#EBC63D

background

#F7F4F4

surface

#EEE7E7

border

#C9C3C3

text

#0A0202

muted

#7C7878

Preview Lab

Preview with #400C17

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

Preview Lab → · Contrast checker → · Palette generator →