#5D100B#5D100B

#5D100B is a dark, moderate red. Relative luminance 0.027; OKLCH L 31.4% C 0.110 H 28.9°. Best body text is #FFFFFF at 13.60:1 contrast (WCAG AA passes).

Color values

HEX	#5D100B
RGB	rgb(93, 16, 11)
HSL	hsl(4, 79%, 20%)
HSV	hsv(4, 88%, 36%)
CMYK	cmyk(0%, 82.8%, 88.2%, 63.5%)
CIE-LAB	lab(18.90, 33.89, 24.12)
CIE-LCH	lch(18.90, 41.60, 35.44°)
OKLab	oklab(31.39% 0.0965 0.0532)
OKLCH	oklch(31.39% 0.11 28.9)
XYZ	xyz(4.7605, 2.7227, 0.5914)
Luminance	0.0272 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#5D100B #0B585D

analogous

#5D0B2F #5D100B #5D390B

triadic

#5D100B #0B5D10 #100B5D

tetradic

#5D100B #2F5D0B #0B585D #390B5D

square

#5D100B #2F5D0B #0B585D #390B5D

split-complementary

#5D100B #0B5D39 #0B2F5D

monochromatic

#1B0503 #260705 #5D100B #941911 #CA2318

Accessibility & contrast

On white

13.60

#5D100B on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.54

#5D100B on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #5D100B

13.60:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##5D100B	#FFFFFF	#000000	##FFFFFF
##5D100B	1.00	13.60	1.54	13.60
#FFFFFF	13.60	1.00	21.00	1.00
#000000	1.54	21.00	1.00	21.00
##FFFFFF	13.60	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#282309

Deuteranopia (green-blind)

#3B3407

Tritanopia (blue-blind)

#670010

Achromatopsia (no color)

#2E2E2E

Design tokens & code

CSS

--color: #5d100b;
/* rgb */ color: rgb(93, 16, 11);
/* oklch */ color: oklch(31.4% 0.110 28.9);

Tailwind

colors: {
  custom: {
    50: '#92564b',
    500: '#5d100b',
    950: '#000000',
  },
}

SCSS

$custom: #5d100b;
$custom-light: #92564b;
$custom-dark: #000000;

JSON

{
  "hex": "#5d100b",
  "rgb": {
    "r": 93,
    "g": 16,
    "b": 11
  },
  "hsl": {
    "h": 3.659,
    "s": 78.846,
    "l": 20.392
  },
  "oklch": {
    "l": 0.31389,
    "c": 0.11019,
    "h": 28.9
  },
  "luminance": 0.02722
}

Semantic roles & 50–950 ramp

primary

#5D100B

secondary

#2C9198

accent

#E9F532

background

#F9F5F4

surface

#F2E9E7

border

#CCC5C3

text

#0E0301

muted

#7E7877

Preview Lab

Preview with #5D100B

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

Preview Lab → · Contrast checker → · Palette generator →