#5B1315#5B1315

#5B1315 is a dark, moderate red. Relative luminance 0.027; OKLCH L 31.4% C 0.104 H 24.1°. Best body text is #FFFFFF at 13.56:1 contrast (WCAG AA passes).

Color values

HEX	#5B1315
RGB	rgb(91, 19, 21)
HSL	hsl(358, 65%, 22%)
HSV	hsv(358, 79%, 36%)
CMYK	cmyk(0%, 79.1%, 76.9%, 64.3%)
CIE-LAB	lab(18.99, 32.48, 18.55)
CIE-LCH	lch(18.99, 37.40, 29.73°)
OKLab	oklab(31.42% 0.0947 0.0425)
OKLCH	oklch(31.42% 0.104 24.1)
XYZ	xyz(4.6831, 2.7447, 0.9925)
Luminance	0.0274 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#5B1315 #135B59

analogous

#5B1339 #5B1315 #5B3513

triadic

#5B1315 #155B13 #13155B

tetradic

#5B1315 #395B13 #135B59 #35135B

square

#5B1315 #395B13 #135B59 #35135B

split-complementary

#5B1315 #135B35 #13395B

monochromatic

#190506 #280809 #5B1315 #8E1E21 #C0282C

Accessibility & contrast

On white

13.56

#5B1315 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.55

#5B1315 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #5B1315

13.56:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##5B1315	#FFFFFF	#000000	##FFFFFF
##5B1315	1.00	13.56	1.55	13.56
#FFFFFF	13.56	1.00	21.00	1.00
#000000	1.55	21.00	1.00	21.00
##FFFFFF	13.56	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#282414

Deuteranopia (green-blind)

#3A3413

Tritanopia (blue-blind)

#650015

Achromatopsia (no color)

#2E2E2E

Design tokens & code

CSS

--color: #5b1315;
/* rgb */ color: rgb(91, 19, 21);
/* oklch */ color: oklch(31.4% 0.104 24.1);

Tailwind

colors: {
  custom: {
    50: '#905752',
    500: '#5b1315',
    950: '#000000',
  },
}

SCSS

$custom: #5b1315;
$custom-light: #905752;
$custom-dark: #000000;

JSON

{
  "hex": "#5b1315",
  "rgb": {
    "r": 91,
    "g": 19,
    "b": 21
  },
  "hsl": {
    "h": 358.333,
    "s": 65.455,
    "l": 21.569
  },
  "oklch": {
    "l": 0.3142,
    "c": 0.10376,
    "h": 24.1
  },
  "luminance": 0.02744
}

Semantic roles & 50–950 ramp

primary

#5B1315

secondary

#379391

accent

#E8E43F

background

#F9F5F4

surface

#F2E9E7

border

#CCC5C3

text

#0E0302

muted

#7E7878

Preview Lab

Preview with #5B1315

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

Preview Lab → · Contrast checker → · Palette generator →