#531121#531121

#531121 is a dark, moderate red. Relative luminance 0.024; OKLCH L 29.9% C 0.097 H 11.3°. Best body text is #FFFFFF at 14.29:1 contrast (WCAG AA passes).

Color values

HEX	#531121
RGB	rgb(83, 17, 33)
HSL	hsl(345, 66%, 20%)
HSV	hsv(345, 80%, 33%)
CMYK	cmyk(0%, 79.5%, 60.2%, 67.5%)
CIE-LAB	lab(17.23, 31.31, 7.51)
CIE-LCH	lch(17.23, 32.20, 13.48°)
OKLab	oklab(29.88% 0.0948 0.0189)
OKLCH	oklch(29.88% 0.097 11.3)
XYZ	xyz(4.0426, 2.3503, 1.6793)
Luminance	0.0235 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#531121 #115343

analogous

#531142 #531121 #532211

triadic

#531121 #215311 #112153

tetradic

#531121 #425311 #115343 #221153

square

#531121 #425311 #115343 #221153

split-complementary

#531121 #115322 #114253

monochromatic

#19050A #20070D #531121 #861B35 #B92649

Accessibility & contrast

On white

14.29

#531121 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.47

#531121 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #531121

14.29:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##531121	#FFFFFF	#000000	##FFFFFF
##531121	1.00	14.29	1.47	14.29
#FFFFFF	14.29	1.00	21.00	1.00
#000000	1.47	21.00	1.00	21.00
##FFFFFF	14.29	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#222221

Deuteranopia (green-blind)

#332F1F

Tritanopia (blue-blind)

#5B0218

Achromatopsia (no color)

#2A2A2A

Design tokens & code

CSS

--color: #531121;
/* rgb */ color: rgb(83, 17, 33);
/* oklch */ color: oklch(29.9% 0.097 11.3);

Tailwind

colors: {
  custom: {
    50: '#88555b',
    500: '#531121',
    950: '#000000',
  },
}

SCSS

$custom: #531121;
$custom-light: #88555b;
$custom-dark: #000000;

JSON

{
  "hex": "#531121",
  "rgb": {
    "r": 83,
    "g": 17,
    "b": 33
  },
  "hsl": {
    "h": 345.455,
    "s": 66,
    "l": 19.608
  },
  "oklch": {
    "l": 0.29877,
    "c": 0.09663,
    "h": 11.3
  },
  "luminance": 0.0235
}

Semantic roles & 50–950 ramp

primary

#531121

secondary

#348C77

accent

#E9C03F

background

#F8F5F5

surface

#F0E9E9

border

#CBC5C5

text

#0C0304

muted

#7D7879

Preview Lab

Preview with #531121

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

Preview Lab → · Contrast checker → · Palette generator →