#5B1118#5B1118

#5B1118 is a dark, moderate red. Relative luminance 0.027; OKLCH L 31.3% C 0.105 H 21.1°. Best body text is #FFFFFF at 13.65:1 contrast (WCAG AA passes).

Color values

HEX	#5B1118
RGB	rgb(91, 17, 24)
HSL	hsl(354, 69%, 21%)
HSV	hsv(354, 81%, 36%)
CMYK	cmyk(0%, 81.3%, 73.6%, 64.3%)
CIE-LAB	lab(18.76, 33.42, 16.22)
CIE-LCH	lch(18.76, 37.15, 25.89°)
OKLab	oklab(31.27% 0.0984 0.0379)
OKLCH	oklch(31.27% 0.105 21.1)
XYZ	xyz(4.6802, 2.6917, 1.1371)
Luminance	0.0269 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#5B1118 #115B54

analogous

#5B113D #5B1118 #5B2F11

triadic

#5B1118 #185B11 #11185B

tetradic

#5B1118 #3D5B11 #115B54 #2F115B

square

#5B1118 #3D5B11 #115B54 #2F115B

split-complementary

#5B1118 #115B2F #113D5B

monochromatic

#1A0507 #27070A #5B1118 #8F1B26 #C22433

Accessibility & contrast

On white

13.65

#5B1118 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.54

#5B1118 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #5B1118

13.65:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##5B1118	#FFFFFF	#000000	##FFFFFF
##5B1118	1.00	13.65	1.54	13.65
#FFFFFF	13.65	1.00	21.00	1.00
#000000	1.54	21.00	1.00	21.00
##FFFFFF	13.65	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#272418

Deuteranopia (green-blind)

#393316

Tritanopia (blue-blind)

#650014

Achromatopsia (no color)

#2E2E2E

Design tokens & code

CSS

--color: #5b1118;
/* rgb */ color: rgb(91, 17, 24);
/* oklch */ color: oklch(31.3% 0.105 21.1);

Tailwind

colors: {
  custom: {
    50: '#905654',
    500: '#5b1118',
    950: '#000000',
  },
}

SCSS

$custom: #5b1118;
$custom-light: #905654;
$custom-dark: #000000;

JSON

{
  "hex": "#5b1118",
  "rgb": {
    "r": 91,
    "g": 17,
    "b": 24
  },
  "hsl": {
    "h": 354.324,
    "s": 68.519,
    "l": 21.176
  },
  "oklch": {
    "l": 0.31268,
    "c": 0.10546,
    "h": 21.1
  },
  "luminance": 0.02691
}

Semantic roles & 50–950 ramp

primary

#5B1118

secondary

#34948B

accent

#EBDB3C

background

#F9F5F4

surface

#F2E9E7

border

#CCC5C3

text

#0E0302

muted

#7E7878

Preview Lab

Preview with #5B1118

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

Preview Lab → · Contrast checker → · Palette generator →