#40120B#40120B

#40120B is a dark, moderate red. Relative luminance 0.015; OKLCH L 25.8% C 0.073 H 31.2°. Best body text is #FFFFFF at 16.04:1 contrast (WCAG AA passes).

Color values

HEX	#40120B
RGB	rgb(64, 18, 11)
HSL	hsl(8, 71%, 15%)
HSV	hsv(8, 83%, 25%)
CMYK	cmyk(0%, 71.9%, 82.8%, 74.9%)
CIE-LAB	lab(12.90, 21.92, 15.25)
CIE-LCH	lch(12.90, 26.71, 34.83°)
OKLab	oklab(25.75% 0.0628 0.038)
OKLCH	oklch(25.75% 0.073 31.2)
XYZ	xyz(2.3913, 1.5471, 0.4892)
Luminance	0.0155 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#40120B #0B3940

analogous

#400B1E #40120B #402D0B

triadic

#40120B #0B4012 #120B40

tetradic

#40120B #1E400B #0B3940 #2D0B40

square

#40120B #1E400B #0B3940 #2D0B40

split-complementary

#40120B #0B402D #0B1E40

monochromatic

#1A0704 #1A0704 #40120B #742114 #A82F1D

Accessibility & contrast

On white

16.04

#40120B on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.31

#40120B on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #40120B

16.04:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##40120B	#FFFFFF	#000000	##FFFFFF
##40120B	1.00	16.04	1.31	16.04
#FFFFFF	16.04	1.00	21.00	1.00
#000000	1.31	21.00	1.00	21.00
##FFFFFF	16.04	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#1F1B0A

Deuteranopia (green-blind)

#2A250A

Tritanopia (blue-blind)

#470711

Achromatopsia (no color)

#212121

Design tokens & code

CSS

--color: #40120b;
/* rgb */ color: rgb(64, 18, 11);
/* oklch */ color: oklch(25.8% 0.073 31.2);

Tailwind

colors: {
  custom: {
    50: '#79524b',
    500: '#40120b',
    950: '#000000',
  },
}

SCSS

$custom: #40120b;
$custom-light: #79524b;
$custom-dark: #000000;

JSON

{
  "hex": "#40120b",
  "rgb": {
    "r": 64,
    "g": 18,
    "b": 11
  },
  "hsl": {
    "h": 7.925,
    "s": 70.667,
    "l": 14.706
  },
  "oklch": {
    "l": 0.25754,
    "c": 0.07343,
    "h": 31.2
  },
  "luminance": 0.01547
}

Semantic roles & 50–950 ramp

primary

#40120B

secondary

#2A727D

accent

#D6ED3A

background

#F7F4F4

surface

#EEE7E7

border

#C9C3C3

text

#0A0201

muted

#7C7877

Preview Lab

Preview with #40120B

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

Preview Lab → · Contrast checker → · Palette generator →