#3E171B#3E171B

#3E171B is a dark, moderate red. Relative luminance 0.017; OKLCH L 26.6% C 0.061 H 15.9°. Best body text is #FFFFFF at 15.63:1 contrast (WCAG AA passes).

Color values

HEX	#3E171B
RGB	rgb(62, 23, 27)
HSL	hsl(354, 46%, 17%)
HSV	hsv(354, 63%, 24%)
CMYK	cmyk(0%, 62.9%, 56.5%, 75.7%)
CIE-LAB	lab(13.92, 19.55, 6.63)
CIE-LCH	lch(13.92, 20.64, 18.74°)
OKLab	oklab(26.55% 0.0589 0.0168)
OKLCH	oklch(26.55% 0.061 15.9)
XYZ	xyz(2.4910, 1.7163, 1.2368)
Luminance	0.0172 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3E171B #173E3A

analogous

#3E172F #3E171B #3E2717

triadic

#3E171B #1B3E17 #171B3E

tetradic

#3E171B #2F3E17 #173E3A #27173E

square

#3E171B #2F3E17 #173E3A #27173E

split-complementary

#3E171B #173E27 #172F3E

monochromatic

#16080A #16080A #3E171B #6B282E #973842

Accessibility & contrast

On white

15.63

#3E171B on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.34

#3E171B on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #3E171B

15.63:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3E171B	#FFFFFF	#000000	##FFFFFF
##3E171B	1.00	15.63	1.34	15.63
#FFFFFF	15.63	1.00	21.00	1.00
#000000	1.34	21.00	1.00	21.00
##FFFFFF	15.63	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#201F1B

Deuteranopia (green-blind)

#29261A

Tritanopia (blue-blind)

#441119

Achromatopsia (no color)

#232323

Design tokens & code

CSS

--color: #3e171b;
/* rgb */ color: rgb(62, 23, 27);
/* oklch */ color: oklch(26.6% 0.061 15.9);

Tailwind

colors: {
  custom: {
    50: '#765557',
    500: '#3e171b',
    950: '#000000',
  },
}

SCSS

$custom: #3e171b;
$custom-light: #765557;
$custom-dark: #000000;

JSON

{
  "hex": "#3e171b",
  "rgb": {
    "r": 62,
    "g": 23,
    "b": 27
  },
  "hsl": {
    "h": 353.846,
    "s": 45.882,
    "l": 16.667
  },
  "oklch": {
    "l": 0.26551,
    "c": 0.06122,
    "h": 15.9
  },
  "luminance": 0.01716
}

Semantic roles & 50–950 ramp

primary

#3E171B

secondary

#3C756F

accent

#D6C852

background

#F7F5F5

surface

#EDE9E9

border

#C8C5C5

text

#090303

muted

#7B7878

Preview Lab

Preview with #3E171B

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

Preview Lab → · Contrast checker → · Palette generator →