#5B150F#5B150F

#5B150F is a dark, moderate red. Relative luminance 0.028; OKLCH L 31.6% C 0.103 H 29.1°. Best body text is #FFFFFF at 13.47:1 contrast (WCAG AA passes).

Color values

HEX	#5B150F
RGB	rgb(91, 21, 15)
HSL	hsl(5, 72%, 21%)
HSV	hsv(5, 84%, 36%)
CMYK	cmyk(0%, 76.9%, 83.5%, 64.3%)
CIE-LAB	lab(19.21, 31.37, 22.45)
CIE-LCH	lch(19.21, 38.58, 35.59°)
OKLab	oklab(31.55% 0.0898 0.0499)
OKLCH	oklch(31.55% 0.103 29.1)
XYZ	xyz(4.6693, 2.7957, 0.7456)
Luminance	0.0279 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#5B150F #0F555B

analogous

#5B0F2F #5B150F #5B3B0F

triadic

#5B150F #0F5B15 #150F5B

tetradic

#5B150F #2F5B0F #0F555B #3B0F5B

square

#5B150F #2F5B0F #0F555B #3B0F5B

split-complementary

#5B150F #0F5B3B #0F2F5B

monochromatic

#1A0604 #260906 #5B150F #902118 #C42D20

Accessibility & contrast

On white

13.47

#5B150F on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.56

#5B150F on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #5B150F

13.47:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##5B150F	#FFFFFF	#000000	##FFFFFF
##5B150F	1.00	13.47	1.56	13.47
#FFFFFF	13.47	1.00	21.00	1.00
#000000	1.56	21.00	1.00	21.00
##FFFFFF	13.47	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#2A250E

Deuteranopia (green-blind)

#3B340C

Tritanopia (blue-blind)

#650014

Achromatopsia (no color)

#2F2F2F

Design tokens & code

CSS

--color: #5b150f;
/* rgb */ color: rgb(91, 21, 15);
/* oklch */ color: oklch(31.6% 0.103 29.1);

Tailwind

colors: {
  custom: {
    50: '#90584e',
    500: '#5b150f',
    950: '#000000',
  },
}

SCSS

$custom: #5b150f;
$custom-light: #90584e;
$custom-dark: #000000;

JSON

{
  "hex": "#5b150f",
  "rgb": {
    "r": 91,
    "g": 21,
    "b": 15
  },
  "hsl": {
    "h": 4.737,
    "s": 71.698,
    "l": 20.784
  },
  "oklch": {
    "l": 0.31554,
    "c": 0.10269,
    "h": 29.1
  },
  "luminance": 0.02795
}

Semantic roles & 50–950 ramp

primary

#5B150F

secondary

#318D95

accent

#E0EE39

background

#F9F5F4

surface

#F2E9E7

border

#CCC5C3

text

#0E0301

muted

#7E7877

Preview Lab

Preview with #5B150F

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

Preview Lab → · Contrast checker → · Palette generator →