#531018#531018

#531018 is a dark, moderate red. Relative luminance 0.023; OKLCH L 29.5% C 0.097 H 19.2°. Best body text is #FFFFFF at 14.43:1 contrast (WCAG AA passes).

Color values

HEX	#531018
RGB	rgb(83, 16, 24)
HSL	hsl(353, 68%, 19%)
HSV	hsv(353, 81%, 33%)
CMYK	cmyk(0%, 80.7%, 71.1%, 67.5%)
CIE-LAB	lab(16.87, 31.02, 13.48)
CIE-LCH	lch(16.87, 33.82, 23.49°)
OKLab	oklab(29.55% 0.092 0.0321)
OKLCH	oklch(29.55% 0.097 19.2)
XYZ	xyz(3.9179, 2.2761, 1.0970)
Luminance	0.0228 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#531018 #10534B

analogous

#53103A #531018 #532A10

triadic

#531018 #185310 #101853

tetradic

#531018 #3A5310 #10534B #2A1053

square

#531018 #3A5310 #10534B #2A1053

split-complementary

#531018 #10532A #103A53

monochromatic

#1A0507 #200609 #531018 #861A27 #BA2436

Accessibility & contrast

On white

14.43

#531018 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.46

#531018 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #531018

14.43:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##531018	#FFFFFF	#000000	##FFFFFF
##531018	1.00	14.43	1.46	14.43
#FFFFFF	14.43	1.00	21.00	1.00
#000000	1.46	21.00	1.00	21.00
##FFFFFF	14.43	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#232118

Deuteranopia (green-blind)

#342F16

Tritanopia (blue-blind)

#5C0014

Achromatopsia (no color)

#2A2A2A

Design tokens & code

CSS

--color: #531018;
/* rgb */ color: rgb(83, 16, 24);
/* oklch */ color: oklch(29.5% 0.097 19.2);

Tailwind

colors: {
  custom: {
    50: '#895554',
    500: '#531018',
    950: '#000000',
  },
}

SCSS

$custom: #531018;
$custom-light: #895554;
$custom-dark: #000000;

JSON

{
  "hex": "#531018",
  "rgb": {
    "r": 83,
    "g": 16,
    "b": 24
  },
  "hsl": {
    "h": 352.836,
    "s": 67.677,
    "l": 19.412
  },
  "oklch": {
    "l": 0.29547,
    "c": 0.0974,
    "h": 19.2
  },
  "luminance": 0.02276
}

Semantic roles & 50–950 ramp

primary

#531018

secondary

#328D82

accent

#EBD63D

background

#F8F5F4

surface

#F0E9E7

border

#CBC5C3

text

#0C0302

muted

#7D7878

Preview Lab

Preview with #531018

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

Preview Lab → · Contrast checker → · Palette generator →