#40080D#40080D

#40080D is a very dark, moderate red. Relative luminance 0.013; OKLCH L 24.5% C 0.084 H 21.6°. Best body text is #FFFFFF at 16.69:1 contrast (WCAG AA passes).

Color values

HEX	#40080D
RGB	rgb(64, 8, 13)
HSL	hsl(355, 78%, 14%)
HSV	hsv(355, 88%, 25%)
CMYK	cmyk(0%, 87.5%, 79.7%, 74.9%)
CIE-LAB	lab(11.23, 26.72, 12.06)
CIE-LCH	lch(11.23, 29.31, 24.28°)
OKLab	oklab(24.51% 0.0785 0.0311)
OKLCH	oklch(24.51% 0.084 21.6)
XYZ	xyz(2.2741, 1.2931, 0.5105)
Luminance	0.0129 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#40080D #08403B

analogous

#400829 #40080D #401F08

triadic

#40080D #0D4008 #080D40

tetradic

#40080D #294008 #08403B #1F0840

square

#40080D #294008 #08403B #1F0840

split-complementary

#40080D #08401F #082940

monochromatic

#1B0306 #1B0306 #40080D #760F18 #AD1623

Accessibility & contrast

On white

16.69

#40080D on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.26

#40080D on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #40080D

16.69:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##40080D	#FFFFFF	#000000	##FFFFFF
##40080D	1.00	16.69	1.26	16.69
#FFFFFF	16.69	1.00	21.00	1.00
#000000	1.26	21.00	1.00	21.00
##FFFFFF	16.69	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#19160D

Deuteranopia (green-blind)

#27220B

Tritanopia (blue-blind)

#47000A

Achromatopsia (no color)

#1E1E1E

Design tokens & code

CSS

--color: #40080d;
/* rgb */ color: rgb(64, 8, 13);
/* oklch */ color: oklch(24.5% 0.084 21.6);

Tailwind

colors: {
  custom: {
    50: '#7a4d4c',
    500: '#40080d',
    950: '#000000',
  },
}

SCSS

$custom: #40080d;
$custom-light: #7a4d4c;
$custom-dark: #000000;

JSON

{
  "hex": "#40080d",
  "rgb": {
    "r": 64,
    "g": 8,
    "b": 13
  },
  "hsl": {
    "h": 354.643,
    "s": 77.778,
    "l": 14.118
  },
  "oklch": {
    "l": 0.2451,
    "c": 0.0844,
    "h": 21.6
  },
  "luminance": 0.01293
}

Semantic roles & 50–950 ramp

primary

#40080D

secondary

#257E77

accent

#F4E334

background

#F7F4F4

surface

#EEE7E7

border

#C9C3C3

text

#0A0201

muted

#7C7877

Preview Lab

Preview with #40080D

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

Preview Lab → · Contrast checker → · Palette generator →