#3A131B#3A131B

#3A131B is a dark, moderate red. Relative luminance 0.014; OKLCH L 25.1% C 0.062 H 10.1°. Best body text is #FFFFFF at 16.29:1 contrast (WCAG AA passes).

Color values

HEX	#3A131B
RGB	rgb(58, 19, 27)
HSL	hsl(348, 51%, 15%)
HSV	hsv(348, 67%, 23%)
CMYK	cmyk(0%, 67.2%, 53.4%, 77.3%)
CIE-LAB	lab(12.25, 20.19, 4.19)
CIE-LCH	lch(12.25, 20.62, 11.72°)
OKLab	oklab(25.14% 0.0613 0.0109)
OKLCH	oklch(25.14% 0.062 10.1)
XYZ	xyz(2.1758, 1.4447, 1.2010)
Luminance	0.0144 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3A131B #133A32

analogous

#3A132F #3A131B #3A1E13

triadic

#3A131B #1B3A13 #131B3A

tetradic

#3A131B #2F3A13 #133A32 #1E133A

square

#3A131B #2F3A13 #133A32 #1E133A

split-complementary

#3A131B #133A1E #132F3A

monochromatic

#17080B #17080B #3A131B #682230 #963146

Accessibility & contrast

On white

16.29

#3A131B on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.29

#3A131B on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #3A131B

16.29:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3A131B	#FFFFFF	#000000	##FFFFFF
##3A131B	1.00	16.29	1.29	16.29
#FFFFFF	16.29	1.00	21.00	1.00
#000000	1.29	21.00	1.00	21.00
##FFFFFF	16.29	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#1B1B1B

Deuteranopia (green-blind)

#25231A

Tritanopia (blue-blind)

#400E16

Achromatopsia (no color)

#202020

Design tokens & code

CSS

--color: #3a131b;
/* rgb */ color: rgb(58, 19, 27);
/* oklch */ color: oklch(25.1% 0.062 10.1);

Tailwind

colors: {
  custom: {
    50: '#735257',
    500: '#3a131b',
    950: '#000000',
  },
}

SCSS

$custom: #3a131b;
$custom-light: #735257;
$custom-dark: #000000;

JSON

{
  "hex": "#3a131b",
  "rgb": {
    "r": 58,
    "g": 19,
    "b": 27
  },
  "hsl": {
    "h": 347.692,
    "s": 50.649,
    "l": 15.098
  },
  "oklch": {
    "l": 0.25143,
    "c": 0.06222,
    "h": 10.1
  },
  "luminance": 0.01444
}

Semantic roles & 50–950 ramp

primary

#3A131B

secondary

#367266

accent

#DABD4E

background

#F7F4F5

surface

#EDE7E9

border

#C8C3C5

text

#080203

muted

#7B7878

Preview Lab

Preview with #3A131B

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

Preview Lab → · Contrast checker → · Palette generator →