#5C101E#5C101E

#5C101E is a dark, moderate red. Relative luminance 0.027; OKLCH L 31.5% C 0.107 H 16.1°. Best body text is #FFFFFF at 13.57:1 contrast (WCAG AA passes).

Color values

HEX	#5C101E
RGB	rgb(92, 16, 30)
HSL	hsl(349, 70%, 21%)
HSV	hsv(349, 83%, 36%)
CMYK	cmyk(0%, 82.6%, 67.4%, 63.9%)
CIE-LAB	lab(18.97, 34.50, 12.33)
CIE-LCH	lch(18.97, 36.64, 19.66°)
OKLab	oklab(31.5% 0.1032 0.0298)
OKLCH	oklch(31.5% 0.107 16.1)
XYZ	xyz(4.8338, 2.7404, 1.5025)
Luminance	0.0274 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#5C101E #105C4E

analogous

#5C1044 #5C101E #5C2810

triadic

#5C101E #1E5C10 #101E5C

tetradic

#5C101E #445C10 #105C4E #28105C

square

#5C101E #445C10 #105C4E #28105C

split-complementary

#5C101E #105C28 #10445C

monochromatic

#1A0509 #28070D #5C101E #90192F #C42240

Accessibility & contrast

On white

13.57

#5C101E on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.55

#5C101E on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #5C101E

13.57:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##5C101E	#FFFFFF	#000000	##FFFFFF
##5C101E	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)

#26241E

Deuteranopia (green-blind)

#39341C

Tritanopia (blue-blind)

#660016

Achromatopsia (no color)

#2E2E2E

Design tokens & code

CSS

--color: #5c101e;
/* rgb */ color: rgb(92, 16, 30);
/* oklch */ color: oklch(31.5% 0.107 16.1);

Tailwind

colors: {
  custom: {
    50: '#905659',
    500: '#5c101e',
    950: '#000000',
  },
}

SCSS

$custom: #5c101e;
$custom-light: #905659;
$custom-dark: #000000;

JSON

{
  "hex": "#5c101e",
  "rgb": {
    "r": 92,
    "g": 16,
    "b": 30
  },
  "hsl": {
    "h": 348.947,
    "s": 70.37,
    "l": 21.176
  },
  "oklch": {
    "l": 0.315,
    "c": 0.10738,
    "h": 16.1
  },
  "luminance": 0.0274
}

Semantic roles & 50–950 ramp

primary

#5C101E

secondary

#339583

accent

#EDCC3B

background

#F9F5F5

surface

#F2E9E9

border

#CCC5C5

text

#0E0303

muted

#7E7878

Preview Lab

Preview with #5C101E

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

Preview Lab → · Contrast checker → · Palette generator →