#400D09#400D09

#400D09 is a dark, moderate red. Relative luminance 0.014; OKLCH L 25.0% C 0.080 H 28.6°. Best body text is #FFFFFF at 16.41:1 contrast (WCAG AA passes).

Color values

HEX	#400D09
RGB	rgb(64, 13, 9)
HSL	hsl(4, 75%, 14%)
HSV	hsv(4, 86%, 25%)
CMYK	cmyk(0%, 79.7%, 85.9%, 74.9%)
CIE-LAB	lab(11.94, 24.34, 14.78)
CIE-LCH	lch(11.94, 28.47, 31.26°)
OKLab	oklab(25.02% 0.0699 0.0382)
OKLCH	oklch(25.02% 0.08 28.6)
XYZ	xyz(2.3078, 1.3979, 0.4067)
Luminance	0.0140 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#400D09 #093C40

analogous

#400921 #400D09 #402909

triadic

#400D09 #09400D #0D0940

tetradic

#400D09 #214009 #093C40 #290940

square

#400D09 #214009 #093C40 #290940

split-complementary

#400D09 #094029 #092140

monochromatic

#1B0504 #1B0504 #400D09 #761811 #AB2318

Accessibility & contrast

On white

16.41

#400D09 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.28

#400D09 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #400D09

16.41:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##400D09	#FFFFFF	#000000	##FFFFFF
##400D09	1.00	16.41	1.28	16.41
#FFFFFF	16.41	1.00	21.00	1.00
#000000	1.28	21.00	1.00	21.00
##FFFFFF	16.41	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#1C1808

Deuteranopia (green-blind)

#282307

Tritanopia (blue-blind)

#47000D

Achromatopsia (no color)

#1F1F1F

Design tokens & code

CSS

--color: #400d09;
/* rgb */ color: rgb(64, 13, 9);
/* oklch */ color: oklch(25.0% 0.080 28.6);

Tailwind

colors: {
  custom: {
    50: '#7a504a',
    500: '#400d09',
    950: '#000000',
  },
}

SCSS

$custom: #400d09;
$custom-light: #7a504a;
$custom-dark: #000000;

JSON

{
  "hex": "#400d09",
  "rgb": {
    "r": 64,
    "g": 13,
    "b": 9
  },
  "hsl": {
    "h": 4.364,
    "s": 75.342,
    "l": 14.314
  },
  "oklch": {
    "l": 0.25023,
    "c": 0.07962,
    "h": 28.6
  },
  "luminance": 0.01398
}

Semantic roles & 50–950 ramp

primary

#400D09

secondary

#27787E

accent

#E4F236

background

#F7F4F4

surface

#EEE7E7

border

#C9C3C3

text

#0A0201

muted

#7C7877

Preview Lab

Preview with #400D09

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

Preview Lab → · Contrast checker → · Palette generator →