#40282C#40282C

#40282C is a dark, muted red. Relative luminance 0.028; OKLCH L 30.8% C 0.037 H 8.5°. Best body text is #FFFFFF at 13.48:1 contrast (WCAG AA passes).

Color values

HEX	#40282C
RGB	rgb(64, 40, 44)
HSL	hsl(350, 23%, 20%)
HSV	hsv(350, 38%, 25%)
CMYK	cmyk(0%, 37.5%, 31.2%, 74.9%)
CIE-LAB	lab(19.18, 11.93, 2.01)
CIE-LCH	lch(19.18, 12.10, 9.55°)
OKLab	oklab(30.79% 0.0362 0.0054)
OKLCH	oklch(30.79% 0.037 8.5)
XYZ	xyz(3.3278, 2.7896, 2.7456)
Luminance	0.0279 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#40282C #28403C

analogous

#402838 #40282C #403028

triadic

#40282C #2C4028 #282C40

tetradic

#40282C #384028 #28403C #302840

square

#40282C #384028 #28403C #302840

split-complementary

#40282C #284030 #283840

monochromatic

#130C0D #1A1012 #40282C #664046 #8B5760

Accessibility & contrast

On white

13.48

#40282C on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.56

#40282C on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #40282C

13.48:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##40282C	#FFFFFF	#000000	##FFFFFF
##40282C	1.00	13.48	1.56	13.48
#FFFFFF	13.48	1.00	21.00	1.00
#000000	1.56	21.00	1.00	21.00
##FFFFFF	13.48	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#2C2C2C

Deuteranopia (green-blind)

#32302C

Tritanopia (blue-blind)

#442629

Achromatopsia (no color)

#2F2F2F

Design tokens & code

CSS

--color: #40282c;
/* rgb */ color: rgb(64, 40, 44);
/* oklch */ color: oklch(30.8% 0.037 8.5);

Tailwind

colors: {
  custom: {
    50: '#756265',
    500: '#40282c',
    950: '#000000',
  },
}

SCSS

$custom: #40282c;
$custom-light: #756265;
$custom-dark: #000000;

JSON

{
  "hex": "#40282c",
  "rgb": {
    "r": 64,
    "g": 40,
    "b": 44
  },
  "hsl": {
    "h": 350,
    "s": 23.077,
    "l": 20.392
  },
  "oklch": {
    "l": 0.30787,
    "c": 0.03655,
    "h": 8.5
  },
  "luminance": 0.02789
}

Semantic roles & 50–950 ramp

primary

#40282C

secondary

#52726C

accent

#C0B168

background

#F7F5F6

surface

#EDEAEB

border

#C8C6C6

text

#080505

muted

#7B797A

Preview Lab

Preview with #40282C

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

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