#3A151B#3A151B

#3A151B is a dark, muted red. Relative luminance 0.015; OKLCH L 25.5% C 0.059 H 12.2°. Best body text is #FFFFFF at 16.12:1 contrast (WCAG AA passes).

Color values

HEX	#3A151B
RGB	rgb(58, 21, 27)
HSL	hsl(350, 47%, 15%)
HSV	hsv(350, 64%, 23%)
CMYK	cmyk(0%, 63.8%, 53.4%, 77.3%)
CIE-LAB	lab(12.70, 19.01, 4.83)
CIE-LCH	lch(12.70, 19.61, 14.25°)
OKLab	oklab(25.48% 0.0575 0.0124)
OKLCH	oklch(25.48% 0.059 12.2)
XYZ	xyz(2.2111, 1.5152, 1.2127)
Luminance	0.0152 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3A151B #153A34

analogous

#3A152D #3A151B #3A2115

triadic

#3A151B #1B3A15 #151B3A

tetradic

#3A151B #2D3A15 #153A34 #21153A

square

#3A151B #2D3A15 #153A34 #21153A

split-complementary

#3A151B #153A21 #152D3A

monochromatic

#16080A #16080A #3A151B #672530 #943645

Accessibility & contrast

On white

16.12

#3A151B on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.30

#3A151B on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #3A151B

16.12:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3A151B	#FFFFFF	#000000	##FFFFFF
##3A151B	1.00	16.12	1.30	16.12
#FFFFFF	16.12	1.00	21.00	1.00
#000000	1.30	21.00	1.00	21.00
##FFFFFF	16.12	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#1D1C1B

Deuteranopia (green-blind)

#26241A

Tritanopia (blue-blind)

#401017

Achromatopsia (no color)

#212121

Design tokens & code

CSS

--color: #3a151b;
/* rgb */ color: rgb(58, 21, 27);
/* oklch */ color: oklch(25.5% 0.059 12.2);

Tailwind

colors: {
  custom: {
    50: '#735457',
    500: '#3a151b',
    950: '#000000',
  },
}

SCSS

$custom: #3a151b;
$custom-light: #735457;
$custom-dark: #000000;

JSON

{
  "hex": "#3a151b",
  "rgb": {
    "r": 58,
    "g": 21,
    "b": 27
  },
  "hsl": {
    "h": 350.27,
    "s": 46.835,
    "l": 15.49
  },
  "oklch": {
    "l": 0.25484,
    "c": 0.05886,
    "h": 12.2
  },
  "luminance": 0.01515
}

Semantic roles & 50–950 ramp

primary

#3A151B

secondary

#397168

accent

#D6C151

background

#F7F4F5

surface

#EDE7E9

border

#C8C3C5

text

#080203

muted

#7B7878

Preview Lab

Preview with #3A151B

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

Preview Lab → · Contrast checker → · Palette generator →