#400804#400804

#400804 is a very dark, moderate red. Relative luminance 0.013; OKLCH L 24.4% C 0.086 H 30.0°. Best body text is #FFFFFF at 16.74:1 contrast (WCAG AA passes).

Color values

HEX	#400804
RGB	rgb(64, 8, 4)
HSL	hsl(4, 88%, 13%)
HSV	hsv(4, 94%, 25%)
CMYK	cmyk(0%, 87.5%, 93.8%, 74.9%)
CIE-LAB	lab(11.08, 26.26, 15.63)
CIE-LCH	lch(11.08, 30.56, 30.76°)
OKLab	oklab(24.36% 0.0743 0.0429)
OKLCH	oklch(24.36% 0.086 30)
XYZ	xyz(2.2234, 1.2728, 0.2434)
Luminance	0.0127 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#400804 #043C40

analogous

#40041E #400804 #402604

triadic

#400804 #044008 #080440

tetradic

#400804 #1E4004 #043C40 #260440

square

#400804 #1E4004 #043C40 #260440

split-complementary

#400804 #044026 #041E40

monochromatic

#1D0402 #1D0402 #400804 #7A0F08 #B3160B

Accessibility & contrast

On white

16.74

#400804 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.25

#400804 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #400804

16.74:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##400804	#FFFFFF	#000000	##FFFFFF
##400804	1.00	16.74	1.25	16.74
#FFFFFF	16.74	1.00	21.00	1.00
#000000	1.25	21.00	1.00	21.00
##FFFFFF	16.74	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#1A1603

Deuteranopia (green-blind)

#272202

Tritanopia (blue-blind)

#480008

Achromatopsia (no color)

#1E1E1E

Design tokens & code

CSS

--color: #400804;
/* rgb */ color: rgb(64, 8, 4);
/* oklch */ color: oklch(24.4% 0.086 30.0);

Tailwind

colors: {
  custom: {
    50: '#7a4d48',
    500: '#400804',
    950: '#000000',
  },
}

SCSS

$custom: #400804;
$custom-light: #7a4d48;
$custom-dark: #000000;

JSON

{
  "hex": "#400804",
  "rgb": {
    "r": 64,
    "g": 8,
    "b": 4
  },
  "hsl": {
    "h": 4,
    "s": 88.235,
    "l": 13.333
  },
  "oklch": {
    "l": 0.24358,
    "c": 0.08585,
    "h": 30
  },
  "luminance": 0.01272
}

Semantic roles & 50–950 ramp

primary

#400804

secondary

#1F7B81

accent

#F0FE29

background

#F7F4F4

surface

#EEE7E6

border

#C9C3C2

text

#0A0100

muted

#7C7777

Preview Lab

Preview with #400804

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

Preview Lab → · Contrast checker → · Palette generator →