#3D131B#3D131B

#3D131B is a dark, moderate red. Relative luminance 0.015; OKLCH L 25.7% C 0.066 H 11.4°. Best body text is #FFFFFF at 16.06:1 contrast (WCAG AA passes).

Color values

HEX	#3D131B
RGB	rgb(61, 19, 27)
HSL	hsl(349, 53%, 16%)
HSV	hsv(349, 69%, 24%)
CMYK	cmyk(0%, 68.9%, 55.7%, 76.1%)
CIE-LAB	lab(12.84, 21.45, 5.11)
CIE-LCH	lch(12.84, 22.05, 13.39°)
OKLab	oklab(25.7% 0.065 0.0131)
OKLCH	oklch(25.7% 0.066 11.4)
XYZ	xyz(2.3553, 1.5373, 1.2094)
Luminance	0.0154 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3D131B #133D35

analogous

#3D1330 #3D131B #3D2013

triadic

#3D131B #1B3D13 #131B3D

tetradic

#3D131B #303D13 #133D35 #20133D

square

#3D131B #303D13 #133D35 #20133D

split-complementary

#3D131B #133D20 #13303D

monochromatic

#17070A #17070A #3D131B #6C2230 #9A3044

Accessibility & contrast

On white

16.06

#3D131B on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.31

#3D131B on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #3D131B

16.06:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3D131B	#FFFFFF	#000000	##FFFFFF
##3D131B	1.00	16.06	1.31	16.06
#FFFFFF	16.06	1.00	21.00	1.00
#000000	1.31	21.00	1.00	21.00
##FFFFFF	16.06	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#1C1C1B

Deuteranopia (green-blind)

#27241A

Tritanopia (blue-blind)

#430D16

Achromatopsia (no color)

#212121

Design tokens & code

CSS

--color: #3d131b;
/* rgb */ color: rgb(61, 19, 27);
/* oklch */ color: oklch(25.7% 0.066 11.4);

Tailwind

colors: {
  custom: {
    50: '#755357',
    500: '#3d131b',
    950: '#000000',
  },
}

SCSS

$custom: #3d131b;
$custom-light: #755357;
$custom-dark: #000000;

JSON

{
  "hex": "#3d131b",
  "rgb": {
    "r": 61,
    "g": 19,
    "b": 27
  },
  "hsl": {
    "h": 348.571,
    "s": 52.5,
    "l": 15.686
  },
  "oklch": {
    "l": 0.25702,
    "c": 0.06627,
    "h": 11.4
  },
  "luminance": 0.01537
}

Semantic roles & 50–950 ramp

primary

#3D131B

secondary

#367569

accent

#DCC04C

background

#F7F4F5

surface

#EDE7E9

border

#C8C3C5

text

#090203

muted

#7B7878

Preview Lab

Preview with #3D131B

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

Preview Lab → · Contrast checker → · Palette generator →