#5C101C#5C101C

#5C101C is a dark, moderate red. Relative luminance 0.027; OKLCH L 31.5% C 0.107 H 17.7°. Best body text is #FFFFFF at 13.58:1 contrast (WCAG AA passes).

Color values

HEX	#5C101C
RGB	rgb(92, 16, 28)
HSL	hsl(351, 70%, 21%)
HSV	hsv(351, 83%, 36%)
CMYK	cmyk(0%, 82.6%, 69.6%, 63.9%)
CIE-LAB	lab(18.93, 34.37, 13.68)
CIE-LCH	lch(18.93, 36.99, 21.71°)
OKLab	oklab(31.46% 0.1023 0.0327)
OKLCH	oklch(31.46% 0.107 17.7)
XYZ	xyz(4.8090, 2.7305, 1.3722)
Luminance	0.0273 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#5C101C #105C50

analogous

#5C1042 #5C101C #5C2A10

triadic

#5C101C #1C5C10 #101C5C

tetradic

#5C101C #425C10 #105C50 #2A105C

square

#5C101C #425C10 #105C50 #2A105C

split-complementary

#5C101C #105C2A #10425C

monochromatic

#1A0508 #28070C #5C101C #90192C #C4223C

Accessibility & contrast

On white

13.58

#5C101C on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.55

#5C101C on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #5C101C

13.58:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##5C101C	#FFFFFF	#000000	##FFFFFF
##5C101C	1.00	13.58	1.55	13.58
#FFFFFF	13.58	1.00	21.00	1.00
#000000	1.55	21.00	1.00	21.00
##FFFFFF	13.58	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#26241C

Deuteranopia (green-blind)

#39341A

Tritanopia (blue-blind)

#660015

Achromatopsia (no color)

#2E2E2E

Design tokens & code

CSS

--color: #5c101c;
/* rgb */ color: rgb(92, 16, 28);
/* oklch */ color: oklch(31.5% 0.107 17.7);

Tailwind

colors: {
  custom: {
    50: '#905657',
    500: '#5c101c',
    950: '#000000',
  },
}

SCSS

$custom: #5c101c;
$custom-light: #905657;
$custom-dark: #000000;

JSON

{
  "hex": "#5c101c",
  "rgb": {
    "r": 92,
    "g": 16,
    "b": 28
  },
  "hsl": {
    "h": 350.526,
    "s": 70.37,
    "l": 21.176
  },
  "oklch": {
    "l": 0.31455,
    "c": 0.10737,
    "h": 17.7
  },
  "luminance": 0.0273
}

Semantic roles & 50–950 ramp

primary

#5C101C

secondary

#339586

accent

#EDD13B

background

#F9F5F5

surface

#F2E9E9

border

#CCC5C5

text

#0E0303

muted

#7E7878

Preview Lab

Preview with #5C101C

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

Preview Lab → · Contrast checker → · Palette generator →