#5C101D#5C101D

#5C101D is a dark, moderate red. Relative luminance 0.027; OKLCH L 31.5% C 0.107 H 16.9°. Best body text is #FFFFFF at 13.57:1 contrast (WCAG AA passes).

Color values

HEX	#5C101D
RGB	rgb(92, 16, 29)
HSL	hsl(350, 70%, 21%)
HSV	hsv(350, 83%, 36%)
CMYK	cmyk(0%, 82.6%, 68.5%, 63.9%)
CIE-LAB	lab(18.95, 34.44, 13.00)
CIE-LCH	lch(18.95, 36.81, 20.69°)
OKLab	oklab(31.48% 0.1027 0.0313)
OKLCH	oklch(31.48% 0.107 16.9)
XYZ	xyz(4.8212, 2.7353, 1.4363)
Luminance	0.0273 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#5C101D #105C4F

analogous

#5C1043 #5C101D #5C2910

triadic

#5C101D #1D5C10 #101D5C

tetradic

#5C101D #435C10 #105C4F #29105C

square

#5C101D #435C10 #105C4F #29105C

split-complementary

#5C101D #105C29 #10435C

monochromatic

#1A0508 #28070D #5C101D #90192D #C4223E

Accessibility & contrast

On white

13.57

#5C101D on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.55

#5C101D on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #5C101D

13.57:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##5C101D	#FFFFFF	#000000	##FFFFFF
##5C101D	1.00	13.57	1.55	13.57
#FFFFFF	13.57	1.00	21.00	1.00
#000000	1.55	21.00	1.00	21.00
##FFFFFF	13.57	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#26241D

Deuteranopia (green-blind)

#39341B

Tritanopia (blue-blind)

#660016

Achromatopsia (no color)

#2E2E2E

Design tokens & code

CSS

--color: #5c101d;
/* rgb */ color: rgb(92, 16, 29);
/* oklch */ color: oklch(31.5% 0.107 16.9);

Tailwind

colors: {
  custom: {
    50: '#905658',
    500: '#5c101d',
    950: '#000000',
  },
}

SCSS

$custom: #5c101d;
$custom-light: #905658;
$custom-dark: #000000;

JSON

{
  "hex": "#5c101d",
  "rgb": {
    "r": 92,
    "g": 16,
    "b": 29
  },
  "hsl": {
    "h": 349.737,
    "s": 70.37,
    "l": 21.176
  },
  "oklch": {
    "l": 0.31477,
    "c": 0.10736,
    "h": 16.9
  },
  "luminance": 0.02735
}

Semantic roles & 50–950 ramp

primary

#5C101D

secondary

#339584

accent

#EDCF3B

background

#F9F5F5

surface

#F2E9E9

border

#CCC5C5

text

#0E0303

muted

#7E7878

Preview Lab

Preview with #5C101D

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

Preview Lab → · Contrast checker → · Palette generator →