#3E181B#3E181B

#3E181B is a dark, muted red. Relative luminance 0.018; OKLCH L 26.7% C 0.060 H 17.1°. Best body text is #FFFFFF at 15.54:1 contrast (WCAG AA passes).

Color values

HEX	#3E181B
RGB	rgb(62, 24, 27)
HSL	hsl(355, 44%, 17%)
HSV	hsv(355, 61%, 24%)
CMYK	cmyk(0%, 61.3%, 56.5%, 75.7%)
CIE-LAB	lab(14.16, 18.94, 6.95)
CIE-LCH	lch(14.16, 20.18, 20.16°)
OKLab	oklab(26.73% 0.057 0.0176)
OKLCH	oklch(26.73% 0.06 17.1)
XYZ	xyz(2.5113, 1.7568, 1.2435)
Luminance	0.0176 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3E181B #183E3B

analogous

#3E182E #3E181B #3E2818

triadic

#3E181B #1B3E18 #181B3E

tetradic

#3E181B #2E3E18 #183E3B #28183E

square

#3E181B #2E3E18 #183E3B #28183E

split-complementary

#3E181B #183E28 #182E3E

monochromatic

#16090A #16090A #3E181B #6A292E #963A41

Accessibility & contrast

On white

15.54

#3E181B on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.35

#3E181B on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #3E181B

15.54:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3E181B	#FFFFFF	#000000	##FFFFFF
##3E181B	1.00	15.54	1.35	15.54
#FFFFFF	15.54	1.00	21.00	1.00
#000000	1.35	21.00	1.00	21.00
##FFFFFF	15.54	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#201F1B

Deuteranopia (green-blind)

#2A271A

Tritanopia (blue-blind)

#441319

Achromatopsia (no color)

#242424

Design tokens & code

CSS

--color: #3e181b;
/* rgb */ color: rgb(62, 24, 27);
/* oklch */ color: oklch(26.7% 0.060 17.1);

Tailwind

colors: {
  custom: {
    50: '#765657',
    500: '#3e181b',
    950: '#000000',
  },
}

SCSS

$custom: #3e181b;
$custom-light: #765657;
$custom-dark: #000000;

JSON

{
  "hex": "#3e181b",
  "rgb": {
    "r": 62,
    "g": 24,
    "b": 27
  },
  "hsl": {
    "h": 355.263,
    "s": 44.186,
    "l": 16.863
  },
  "oklch": {
    "l": 0.26727,
    "c": 0.05963,
    "h": 17.1
  },
  "luminance": 0.01757
}

Semantic roles & 50–950 ramp

primary

#3E181B

secondary

#3D7470

accent

#D4CA54

background

#F7F5F5

surface

#EDE9E9

border

#C8C5C5

text

#090303

muted

#7B7878

Preview Lab

Preview with #3E181B

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

Preview Lab → · Contrast checker → · Palette generator →