#53171B#53171B

#53171B is a dark, moderate red. Relative luminance 0.025; OKLCH L 30.5% C 0.089 H 20.4°. Best body text is #FFFFFF at 13.94:1 contrast (WCAG AA passes).

Color values

HEX	#53171B
RGB	rgb(83, 23, 27)
HSL	hsl(356, 57%, 21%)
HSV	hsv(356, 72%, 33%)
CMYK	cmyk(0%, 72.3%, 67.5%, 67.5%)
CIE-LAB	lab(18.06, 28.14, 12.89)
CIE-LCH	lch(18.06, 30.95, 24.60°)
OKLab	oklab(30.45% 0.0835 0.0311)
OKLCH	oklch(30.45% 0.089 20.4)
XYZ	xyz(4.0719, 2.5315, 1.3109)
Luminance	0.0253 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#53171B #17534F

analogous

#531739 #53171B #533117

triadic

#53171B #1B5317 #171B53

tetradic

#53171B #395317 #17534F #311753

square

#53171B #395317 #17534F #311753

split-complementary

#53171B #175331 #173953

monochromatic

#180708 #230A0B #53171B #83242B #B3323A

Accessibility & contrast

On white

13.94

#53171B on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.51

#53171B on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #53171B

13.94:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##53171B	#FFFFFF	#000000	##FFFFFF
##53171B	1.00	13.94	1.51	13.94
#FFFFFF	13.94	1.00	21.00	1.00
#000000	1.51	21.00	1.00	21.00
##FFFFFF	13.94	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#27241B

Deuteranopia (green-blind)

#363119

Tritanopia (blue-blind)

#5C0919

Achromatopsia (no color)

#2C2C2C

Design tokens & code

CSS

--color: #53171b;
/* rgb */ color: rgb(83, 23, 27);
/* oklch */ color: oklch(30.5% 0.089 20.4);

Tailwind

colors: {
  custom: {
    50: '#885857',
    500: '#53171b',
    950: '#000000',
  },
}

SCSS

$custom: #53171b;
$custom-light: #885857;
$custom-dark: #000000;

JSON

{
  "hex": "#53171b",
  "rgb": {
    "r": 83,
    "g": 23,
    "b": 27
  },
  "hsl": {
    "h": 356,
    "s": 56.604,
    "l": 20.784
  },
  "oklch": {
    "l": 0.30451,
    "c": 0.08908,
    "h": 20.4
  },
  "luminance": 0.02531
}

Semantic roles & 50–950 ramp

primary

#53171B

secondary

#3C8A85

accent

#E0D648

background

#F8F5F5

surface

#F0E9E9

border

#CBC5C5

text

#0C0303

muted

#7D7878

Preview Lab

Preview with #53171B

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

Preview Lab → · Contrast checker → · Palette generator →