#40031B#40031B

#40031B is a very dark, moderate pink. Relative luminance 0.012; OKLCH L 24.3% C 0.092 H 3.9°. Best body text is #FFFFFF at 16.84:1 contrast (WCAG AA passes).

Color values

HEX	#40031B
RGB	rgb(64, 3, 27)
HSL	hsl(336, 91%, 13%)
HSV	hsv(336, 95%, 25%)
CMYK	cmyk(0%, 95.3%, 57.8%, 74.9%)
CIE-LAB	lab(10.81, 30.00, 2.32)
CIE-LCH	lch(10.81, 30.09, 4.43°)
OKLab	oklab(24.32% 0.092 0.0062)
OKLCH	oklch(24.32% 0.092 3.9)
XYZ	xyz(2.3450, 1.2346, 1.1515)
Luminance	0.0123 (WCAG relative)
Temperature	warm
Family	pink

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#40031B #034028

analogous

#400339 #40031B #400903

triadic

#40031B #1B4003 #031B40

tetradic

#40031B #394003 #034028 #090340

square

#40031B #394003 #034028 #090340

split-complementary

#40031B #034009 #033940

monochromatic

#1D010C #1D010C #40031B #7A0634 #B5084C

Accessibility & contrast

On white

16.84

#40031B on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.25

#40031B on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #40031B

16.84:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##40031B	#FFFFFF	#000000	##FFFFFF
##40031B	1.00	16.84	1.25	16.84
#FFFFFF	16.84	1.00	21.00	1.00
#000000	1.25	21.00	1.00	21.00
##FFFFFF	16.84	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#13151C

Deuteranopia (green-blind)

#23211A

Tritanopia (blue-blind)

#47000D

Achromatopsia (no color)

#1D1D1D

Design tokens & code

CSS

--color: #40031b;
/* rgb */ color: rgb(64, 3, 27);
/* oklch */ color: oklch(24.3% 0.092 3.9);

Tailwind

colors: {
  custom: {
    50: '#794b56',
    500: '#40031b',
    950: '#000000',
  },
}

SCSS

$custom: #40031b;
$custom-light: #794b56;
$custom-dark: #000000;

JSON

{
  "hex": "#40031b",
  "rgb": {
    "r": 64,
    "g": 3,
    "b": 27
  },
  "hsl": {
    "h": 336.393,
    "s": 91.045,
    "l": 13.137
  },
  "oklch": {
    "l": 0.24318,
    "c": 0.09224,
    "h": 3.9
  },
  "luminance": 0.01234
}

Semantic roles & 50–950 ramp

primary

#40031B

secondary

#1D825A

accent

#FFAB29

background

#F7F4F5

surface

#EEE7E9

border

#C9C3C5

text

#0A0103

muted

#7C7778

Preview Lab

Preview with #40031B

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

Preview Lab → · Contrast checker → · Palette generator →