#3D180D#3D180D

#3D180D is a dark, moderate red. Relative luminance 0.017; OKLCH L 26.2% C 0.062 H 37.3°. Best body text is #FFFFFF at 15.73:1 contrast (WCAG AA passes).

Color values

HEX	#3D180D
RGB	rgb(61, 24, 13)
HSL	hsl(14, 65%, 15%)
HSV	hsv(14, 79%, 24%)
CMYK	cmyk(0%, 60.7%, 78.7%, 76.1%)
CIE-LAB	lab(13.68, 17.20, 15.26)
CIE-LCH	lch(13.68, 23.00, 41.59°)
OKLab	oklab(26.23% 0.049 0.0373)
OKLCH	oklch(26.23% 0.062 37.3)
XYZ	xyz(2.3240, 1.6747, 0.5816)
Luminance	0.0167 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3D180D #0D323D

analogous

#3D0D1A #3D180D #3D300D

triadic

#3D180D #0D3D18 #180D3D

tetradic

#3D180D #1A3D0D #0D323D #300D3D

square

#3D180D #1A3D0D #0D323D #300D3D

split-complementary

#3D180D #0D3D30 #0D1A3D

monochromatic

#190A05 #190A05 #3D180D #6F2C18 #A24023

Accessibility & contrast

On white

15.73

#3D180D on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.33

#3D180D on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #3D180D

15.73:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3D180D	#FFFFFF	#000000	##FFFFFF
##3D180D	1.00	15.73	1.33	15.73
#FFFFFF	15.73	1.00	21.00	1.00
#000000	1.33	21.00	1.00	21.00
##FFFFFF	15.73	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#221E0C

Deuteranopia (green-blind)

#2B260C

Tritanopia (blue-blind)

#441116

Achromatopsia (no color)

#232323

Design tokens & code

CSS

--color: #3d180d;
/* rgb */ color: rgb(61, 24, 13);
/* oklch */ color: oklch(26.2% 0.062 37.3);

Tailwind

colors: {
  custom: {
    50: '#76564c',
    500: '#3d180d',
    950: '#000000',
  },
}

SCSS

$custom: #3d180d;
$custom-light: #76564c;
$custom-dark: #000000;

JSON

{
  "hex": "#3d180d",
  "rgb": {
    "r": 61,
    "g": 24,
    "b": 13
  },
  "hsl": {
    "h": 13.75,
    "s": 64.865,
    "l": 14.51
  },
  "oklch": {
    "l": 0.26234,
    "c": 0.0616,
    "h": 37.3
  },
  "luminance": 0.01674
}

Semantic roles & 50–950 ramp

primary

#3D180D

secondary

#2D6779

accent

#C1E840

background

#F7F5F4

surface

#EDE9E7

border

#C8C5C3

text

#090301

muted

#7B7877

Preview Lab

Preview with #3D180D

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

Preview Lab → · Contrast checker → · Palette generator →