#5C101F#5C101F

#5C101F is a dark, moderate red. Relative luminance 0.027; OKLCH L 31.5% C 0.107 H 15.3°. Best body text is #FFFFFF at 13.56:1 contrast (WCAG AA passes).

Color values

HEX	#5C101F
RGB	rgb(92, 16, 31)
HSL	hsl(348, 70%, 21%)
HSV	hsv(348, 83%, 36%)
CMYK	cmyk(0%, 82.6%, 66.3%, 63.9%)
CIE-LAB	lab(18.99, 34.58, 11.65)
CIE-LCH	lch(18.99, 36.49, 18.62°)
OKLab	oklab(31.52% 0.1036 0.0284)
OKLCH	oklch(31.52% 0.107 15.3)
XYZ	xyz(4.8468, 2.7455, 1.5708)
Luminance	0.0274 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#5C101F #105C4D

analogous

#5C1045 #5C101F #5C2710

triadic

#5C101F #1F5C10 #101F5C

tetradic

#5C101F #455C10 #105C4D #27105C

square

#5C101F #455C10 #105C4D #27105C

split-complementary

#5C101F #105C27 #10455C

monochromatic

#1A0509 #28070D #5C101F #901931 #C42242

Accessibility & contrast

On white

13.56

#5C101F on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.55

#5C101F on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #5C101F

13.56:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##5C101F	#FFFFFF	#000000	##FFFFFF
##5C101F	1.00	13.56	1.55	13.56
#FFFFFF	13.56	1.00	21.00	1.00
#000000	1.55	21.00	1.00	21.00
##FFFFFF	13.56	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#26241F

Deuteranopia (green-blind)

#39341D

Tritanopia (blue-blind)

#660016

Achromatopsia (no color)

#2E2E2E

Design tokens & code

CSS

--color: #5c101f;
/* rgb */ color: rgb(92, 16, 31);
/* oklch */ color: oklch(31.5% 0.107 15.3);

Tailwind

colors: {
  custom: {
    50: '#90565a',
    500: '#5c101f',
    950: '#000000',
  },
}

SCSS

$custom: #5c101f;
$custom-light: #90565a;
$custom-dark: #000000;

JSON

{
  "hex": "#5c101f",
  "rgb": {
    "r": 92,
    "g": 16,
    "b": 31
  },
  "hsl": {
    "h": 348.158,
    "s": 70.37,
    "l": 21.176
  },
  "oklch": {
    "l": 0.31523,
    "c": 0.10742,
    "h": 15.3
  },
  "luminance": 0.02745
}

Semantic roles & 50–950 ramp

primary

#5C101F

secondary

#339582

accent

#EDCA3B

background

#F9F5F5

surface

#F2E9E9

border

#CCC5C5

text

#0D0303

muted

#7E7878

Preview Lab

Preview with #5C101F

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

Preview Lab → · Contrast checker → · Palette generator →