#3D180E#3D180E

#3D180E is a dark, moderate red. Relative luminance 0.017; OKLCH L 26.3% C 0.061 H 36.1°. Best body text is #FFFFFF at 15.73:1 contrast (WCAG AA passes).

Color values

HEX	#3D180E
RGB	rgb(61, 24, 14)
HSL	hsl(13, 63%, 15%)
HSV	hsv(13, 77%, 24%)
CMYK	cmyk(0%, 60.7%, 77%, 76.1%)
CIE-LAB	lab(13.69, 17.27, 14.79)
CIE-LCH	lch(13.69, 22.74, 40.59°)
OKLab	oklab(26.25% 0.0495 0.0361)
OKLCH	oklch(26.25% 0.061 36.1)
XYZ	xyz(2.3306, 1.6774, 0.6164)
Luminance	0.0168 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3D180E #0E333D

analogous

#3D0E1C #3D180E #3D300E

triadic

#3D180E #0E3D18 #180E3D

tetradic

#3D180E #1C3D0E #0E333D #300E3D

square

#3D180E #1C3D0E #0E333D #300E3D

split-complementary

#3D180E #0E3D30 #0E1C3D

monochromatic

#190A06 #190A06 #3D180E #6F2C19 #A13F25

Accessibility & contrast

On white

15.73

#3D180E on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.34

#3D180E on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #3D180E

15.73:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3D180E	#FFFFFF	#000000	##FFFFFF
##3D180E	1.00	15.73	1.34	15.73
#FFFFFF	15.73	1.00	21.00	1.00
#000000	1.34	21.00	1.00	21.00
##FFFFFF	15.73	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#221E0D

Deuteranopia (green-blind)

#2B260D

Tritanopia (blue-blind)

#441116

Achromatopsia (no color)

#232323

Design tokens & code

CSS

--color: #3d180e;
/* rgb */ color: rgb(61, 24, 14);
/* oklch */ color: oklch(26.3% 0.061 36.1);

Tailwind

colors: {
  custom: {
    50: '#76564d',
    500: '#3d180e',
    950: '#000000',
  },
}

SCSS

$custom: #3d180e;
$custom-light: #76564d;
$custom-dark: #000000;

JSON

{
  "hex": "#3d180e",
  "rgb": {
    "r": 61,
    "g": 24,
    "b": 14
  },
  "hsl": {
    "h": 12.766,
    "s": 62.667,
    "l": 14.706
  },
  "oklch": {
    "l": 0.2625,
    "c": 0.06122,
    "h": 36.1
  },
  "luminance": 0.01677
}

Semantic roles & 50–950 ramp

primary

#3D180E

secondary

#2F6878

accent

#C3E642

background

#F7F5F4

surface

#EDE9E7

border

#C8C5C3

text

#090301

muted

#7B7877

Preview Lab

Preview with #3D180E

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

Preview Lab → · Contrast checker → · Palette generator →