#400D04#400D04

#400D04 is a very dark, moderate red. Relative luminance 0.014; OKLCH L 24.9% C 0.081 H 33.4°. Best body text is #FFFFFF at 16.44:1 contrast (WCAG AA passes).

Color values

HEX	#400D04
RGB	rgb(64, 13, 4)
HSL	hsl(9, 88%, 13%)
HSV	hsv(9, 94%, 25%)
CMYK	cmyk(0%, 79.7%, 93.8%, 74.9%)
CIE-LAB	lab(11.87, 24.08, 16.71)
CIE-LCH	lch(11.87, 29.31, 34.76°)
OKLab	oklab(24.95% 0.0676 0.0445)
OKLCH	oklch(24.95% 0.081 33.4)
XYZ	xyz(2.2805, 1.3870, 0.2625)
Luminance	0.0139 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#400D04 #043740

analogous

#400419 #400D04 #402B04

triadic

#400D04 #04400D #0D0440

tetradic

#400D04 #194004 #043740 #2B0440

square

#400D04 #194004 #043740 #2B0440

split-complementary

#400D04 #04402B #041940

monochromatic

#1D0602 #1D0602 #400D04 #7A1908 #B3240B

Accessibility & contrast

On white

16.44

#400D04 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.28

#400D04 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #400D04

16.44:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##400D04	#FFFFFF	#000000	##FFFFFF
##400D04	1.00	16.44	1.28	16.44
#FFFFFF	16.44	1.00	21.00	1.00
#000000	1.28	21.00	1.00	21.00
##FFFFFF	16.44	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#1C1803

Deuteranopia (green-blind)

#292302

Tritanopia (blue-blind)

#47000B

Achromatopsia (no color)

#1F1F1F

Design tokens & code

CSS

--color: #400d04;
/* rgb */ color: rgb(64, 13, 4);
/* oklch */ color: oklch(24.9% 0.081 33.4);

Tailwind

colors: {
  custom: {
    50: '#7a4f48',
    500: '#400d04',
    950: '#000000',
  },
}

SCSS

$custom: #400d04;
$custom-light: #7a4f48;
$custom-dark: #000000;

JSON

{
  "hex": "#400d04",
  "rgb": {
    "r": 64,
    "g": 13,
    "b": 4
  },
  "hsl": {
    "h": 9,
    "s": 88.235,
    "l": 13.333
  },
  "oklch": {
    "l": 0.24945,
    "c": 0.08092,
    "h": 33.4
  },
  "luminance": 0.01387
}

Semantic roles & 50–950 ramp

primary

#400D04

secondary

#1F7281

accent

#DEFE29

background

#F7F4F4

surface

#EEE7E6

border

#C9C3C2

text

#0A0200

muted

#7C7877

Preview Lab

Preview with #400D04

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

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