#5D101B#5D101B

#5D101B is a dark, moderate red. Relative luminance 0.028; OKLCH L 31.6% C 0.108 H 18.7°. Best body text is #FFFFFF at 13.50:1 contrast (WCAG AA passes).

Color values

HEX	#5D101B
RGB	rgb(93, 16, 27)
HSL	hsl(351, 71%, 21%)
HSV	hsv(351, 83%, 36%)
CMYK	cmyk(0%, 82.8%, 71%, 63.5%)
CIE-LAB	lab(19.13, 34.64, 14.68)
CIE-LCH	lch(19.13, 37.62, 22.97°)
OKLab	oklab(31.64% 0.1027 0.0348)
OKLCH	oklch(31.64% 0.108 18.7)
XYZ	xyz(4.8979, 2.7776, 1.3149)
Luminance	0.0278 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#5D101B #105D52

analogous

#5D1042 #5D101B #5D2C10

triadic

#5D101B #1B5D10 #101B5D

tetradic

#5D101B #425D10 #105D52 #2C105D

square

#5D101B #425D10 #105D52 #2C105D

split-complementary

#5D101B #105D2C #10425D

monochromatic

#1A0408 #29070C #5D101B #91192A #C52239

Accessibility & contrast

On white

13.50

#5D101B on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.56

#5D101B on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #5D101B

13.50:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##5D101B	#FFFFFF	#000000	##FFFFFF
##5D101B	1.00	13.50	1.56	13.50
#FFFFFF	13.50	1.00	21.00	1.00
#000000	1.56	21.00	1.00	21.00
##FFFFFF	13.50	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#27241B

Deuteranopia (green-blind)

#3A3419

Tritanopia (blue-blind)

#670015

Achromatopsia (no color)

#2E2E2E

Design tokens & code

CSS

--color: #5d101b;
/* rgb */ color: rgb(93, 16, 27);
/* oklch */ color: oklch(31.6% 0.108 18.7);

Tailwind

colors: {
  custom: {
    50: '#915657',
    500: '#5d101b',
    950: '#000000',
  },
}

SCSS

$custom: #5d101b;
$custom-light: #915657;
$custom-dark: #000000;

JSON

{
  "hex": "#5d101b",
  "rgb": {
    "r": 93,
    "g": 16,
    "b": 27
  },
  "hsl": {
    "h": 351.429,
    "s": 70.642,
    "l": 21.373
  },
  "oklch": {
    "l": 0.31636,
    "c": 0.10847,
    "h": 18.7
  },
  "luminance": 0.02777
}

Semantic roles & 50–950 ramp

primary

#5D101B

secondary

#339688

accent

#EDD43A

background

#F9F5F5

surface

#F2E9E9

border

#CCC5C5

text

#0E0303

muted

#7E7878

Preview Lab

Preview with #5D101B

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

Preview Lab → · Contrast checker → · Palette generator →