#3E170B#3E170B

#3E170B is a dark, moderate red. Relative luminance 0.017; OKLCH L 26.2% C 0.065 H 37.6°. Best body text is #FFFFFF at 15.76:1 contrast (WCAG AA passes).

Color values

HEX	#3E170B
RGB	rgb(62, 23, 11)
HSL	hsl(14, 70%, 14%)
HSV	hsv(14, 82%, 24%)
CMYK	cmyk(0%, 62.9%, 82.3%, 75.7%)
CIE-LAB	lab(13.60, 18.15, 16.11)
CIE-LCH	lch(13.60, 24.27, 41.58°)
OKLab	oklab(26.2% 0.0514 0.0396)
OKLCH	oklch(26.2% 0.065 37.6)
XYZ	xyz(2.3536, 1.6614, 0.5133)
Luminance	0.0166 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3E170B #0B323E

analogous

#3E0B19 #3E170B #3E310B

triadic

#3E170B #0B3E17 #170B3E

tetradic

#3E170B #193E0B #0B323E #310B3E

square

#3E170B #193E0B #0B323E #310B3E

split-complementary

#3E170B #0B3E31 #0B193E

monochromatic

#1A0A05 #1A0A05 #3E170B #722A14 #A63E1D

Accessibility & contrast

On white

15.76

#3E170B on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.33

#3E170B on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #3E170B

15.76:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3E170B	#FFFFFF	#000000	##FFFFFF
##3E170B	1.00	15.76	1.33	15.76
#FFFFFF	15.76	1.00	21.00	1.00
#000000	1.33	21.00	1.00	21.00
##FFFFFF	15.76	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#221D0A

Deuteranopia (green-blind)

#2B260A

Tritanopia (blue-blind)

#450F14

Achromatopsia (no color)

#232323

Design tokens & code

CSS

--color: #3e170b;
/* rgb */ color: rgb(62, 23, 11);
/* oklch */ color: oklch(26.2% 0.065 37.6);

Tailwind

colors: {
  custom: {
    50: '#77554b',
    500: '#3e170b',
    950: '#000000',
  },
}

SCSS

$custom: #3e170b;
$custom-light: #77554b;
$custom-dark: #000000;

JSON

{
  "hex": "#3e170b",
  "rgb": {
    "r": 62,
    "g": 23,
    "b": 11
  },
  "hsl": {
    "h": 14.118,
    "s": 69.863,
    "l": 14.314
  },
  "oklch": {
    "l": 0.26202,
    "c": 0.06488,
    "h": 37.6
  },
  "luminance": 0.01661
}

Semantic roles & 50–950 ramp

primary

#3E170B

secondary

#2A687B

accent

#C3ED3B

background

#F7F5F4

surface

#EEE9E7

border

#C9C5C3

text

#090301

muted

#7B7877

Preview Lab

Preview with #3E170B

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

Preview Lab → · Contrast checker → · Palette generator →