#400B02#400B02

#400B02 is a very dark, moderate red. Relative luminance 0.013; OKLCH L 24.7% C 0.084 H 33.9°. Best body text is #FFFFFF at 16.58:1 contrast (WCAG AA passes).

Color values

HEX	#400B02
RGB	rgb(64, 11, 2)
HSL	hsl(9, 94%, 13%)
HSV	hsv(9, 97%, 25%)
CMYK	cmyk(0%, 82.8%, 96.9%, 74.9%)
CIE-LAB	lab(11.51, 24.88, 17.03)
CIE-LCH	lch(11.51, 30.15, 34.40°)
OKLab	oklab(24.67% 0.0693 0.0467)
OKLCH	oklch(24.67% 0.084 33.9)
XYZ	xyz(2.2453, 1.3341, 0.1967)
Luminance	0.0133 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#400B02 #023740

analogous

#400218 #400B02 #402A02

triadic

#400B02 #02400B #0B0240

tetradic

#400B02 #184002 #023740 #2A0240

square

#400B02 #184002 #023740 #2A0240

split-complementary

#400B02 #02402A #021840

monochromatic

#1E0501 #1E0501 #400B02 #7B1504 #B71F06

Accessibility & contrast

On white

16.58

#400B02 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.27

#400B02 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #400B02

16.58:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##400B02	#FFFFFF	#000000	##FFFFFF
##400B02	1.00	16.58	1.27	16.58
#FFFFFF	16.58	1.00	21.00	1.00
#000000	1.27	21.00	1.00	21.00
##FFFFFF	16.58	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#1B1701

Deuteranopia (green-blind)

#282300

Tritanopia (blue-blind)

#480009

Achromatopsia (no color)

#1E1E1E

Design tokens & code

CSS

--color: #400b02;
/* rgb */ color: rgb(64, 11, 2);
/* oklch */ color: oklch(24.7% 0.084 33.9);

Tailwind

colors: {
  custom: {
    50: '#7a4e47',
    500: '#400b02',
    950: '#000000',
  },
}

SCSS

$custom: #400b02;
$custom-light: #7a4e47;
$custom-dark: #000000;

JSON

{
  "hex": "#400b02",
  "rgb": {
    "r": 64,
    "g": 11,
    "b": 2
  },
  "hsl": {
    "h": 8.71,
    "s": 93.939,
    "l": 12.941
  },
  "oklch": {
    "l": 0.24668,
    "c": 0.08357,
    "h": 33.9
  },
  "luminance": 0.01334
}

Semantic roles & 50–950 ramp

primary

#400B02

secondary

#1B7483

accent

#E0FF29

background

#F7F4F4

surface

#EEE7E6

border

#C9C3C2

text

#0A0200

muted

#7C7877

Preview Lab

Preview with #400B02

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

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