#40231E#40231E

#40231E is a dark, muted red. Relative luminance 0.024; OKLCH L 29.3% C 0.046 H 30.5°. Best body text is #FFFFFF at 14.22:1 contrast (WCAG AA passes).

Color values

HEX	#40231E
RGB	rgb(64, 35, 30)
HSL	hsl(9, 36%, 18%)
HSV	hsv(9, 53%, 25%)
CMYK	cmyk(0%, 45.3%, 53.1%, 74.9%)
CIE-LAB	lab(17.40, 13.18, 9.28)
CIE-LCH	lch(17.40, 16.12, 35.15°)
OKLab	oklab(29.29% 0.0394 0.0233)
OKLCH	oklch(29.29% 0.046 30.5)
XYZ	xyz(2.9499, 2.3861, 1.5332)
Luminance	0.0239 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#40231E #1E3B40

analogous

#401E2A #40231E #40341E

triadic

#40231E #1E4023 #231E40

tetradic

#40231E #2A401E #1E3B40 #341E40

square

#40231E #2A401E #1E3B40 #341E40

split-complementary

#40231E #1E4034 #1E2A40

monochromatic

#150B0A #160C0A #40231E #6A3A32 #935145

Accessibility & contrast

On white

14.22

#40231E on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.48

#40231E on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #40231E

14.22:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##40231E	#FFFFFF	#000000	##FFFFFF
##40231E	1.00	14.22	1.48	14.22
#FFFFFF	14.22	1.00	21.00	1.00
#000000	1.48	21.00	1.00	21.00
##FFFFFF	14.22	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#2A271E

Deuteranopia (green-blind)

#312D1E

Tritanopia (blue-blind)

#461F22

Achromatopsia (no color)

#2B2B2B

Design tokens & code

CSS

--color: #40231e;
/* rgb */ color: rgb(64, 35, 30);
/* oklch */ color: oklch(29.3% 0.046 30.5);

Tailwind

colors: {
  custom: {
    50: '#775e59',
    500: '#40231e',
    950: '#000000',
  },
}

SCSS

$custom: #40231e;
$custom-light: #775e59;
$custom-dark: #000000;

JSON

{
  "hex": "#40231e",
  "rgb": {
    "r": 64,
    "g": 35,
    "b": 30
  },
  "hsl": {
    "h": 8.824,
    "s": 36.17,
    "l": 18.431
  },
  "oklch": {
    "l": 0.29288,
    "c": 0.04575,
    "h": 30.5
  },
  "luminance": 0.02386
}

Semantic roles & 50–950 ramp

primary

#40231E

secondary

#456E74

accent

#BCCC5C

background

#F7F5F5

surface

#EDE9E9

border

#C8C5C5

text

#090403

muted

#7B7978

Preview Lab

Preview with #40231E

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

Preview Lab → · Contrast checker → · Palette generator →