#40282A#40282A

#40282A is a dark, muted red. Relative luminance 0.028; OKLCH L 30.7% C 0.036 H 13.9°. Best body text is #FFFFFF at 13.50:1 contrast (WCAG AA passes).

Color values

HEX	#40282A
RGB	rgb(64, 40, 42)
HSL	hsl(355, 23%, 20%)
HSV	hsv(355, 38%, 25%)
CMYK	cmyk(0%, 37.5%, 34.4%, 74.9%)
CIE-LAB	lab(19.12, 11.59, 3.31)
CIE-LCH	lch(19.12, 12.06, 15.94°)
OKLab	oklab(30.72% 0.0352 0.0087)
OKLCH	oklch(30.72% 0.036 13.9)
XYZ	xyz(3.2912, 2.7750, 2.5523)
Luminance	0.0278 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#40282A #28403E

analogous

#402836 #40282A #403228

triadic

#40282A #2A4028 #282A40

tetradic

#40282A #364028 #28403E #322840

square

#40282A #364028 #28403E #322840

split-complementary

#40282A #284032 #283640

monochromatic

#130C0C #1A1011 #40282A #664043 #8B575B

Accessibility & contrast

On white

13.50

#40282A on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.56

#40282A on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #40282A

13.50:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##40282A	#FFFFFF	#000000	##FFFFFF
##40282A	1.00	13.50	1.56	13.50
#FFFFFF	13.50	1.00	21.00	1.00
#000000	1.56	21.00	1.00	21.00
##FFFFFF	13.50	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#2C2C2A

Deuteranopia (green-blind)

#32302A

Tritanopia (blue-blind)

#442629

Achromatopsia (no color)

#2E2E2E

Design tokens & code

CSS

--color: #40282a;
/* rgb */ color: rgb(64, 40, 42);
/* oklch */ color: oklch(30.7% 0.036 13.9);

Tailwind

colors: {
  custom: {
    50: '#766263',
    500: '#40282a',
    950: '#000000',
  },
}

SCSS

$custom: #40282a;
$custom-light: #766263;
$custom-dark: #000000;

JSON

{
  "hex": "#40282a",
  "rgb": {
    "r": 64,
    "g": 40,
    "b": 42
  },
  "hsl": {
    "h": 355,
    "s": 23.077,
    "l": 20.392
  },
  "oklch": {
    "l": 0.30719,
    "c": 0.03627,
    "h": 13.9
  },
  "luminance": 0.02775
}

Semantic roles & 50–950 ramp

primary

#40282A

secondary

#52726F

accent

#C0B868

background

#F7F5F5

surface

#EDEAEA

border

#C8C6C6

text

#080505

muted

#7B7979

Preview Lab

Preview with #40282A

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

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