#B32521#B32521

#B32521 is a mid, vivid red. Relative luminance 0.110; OKLCH L 50.1% C 0.179 H 27.7°. Best body text is #FFFFFF at 6.56:1 contrast (WCAG AA passes).

Color values

HEX	#B32521
RGB	rgb(179, 37, 33)
HSL	hsl(2, 69%, 42%)
HSV	hsv(2, 82%, 70%)
CMYK	cmyk(0%, 79.3%, 81.6%, 29.8%)
CIE-LAB	lab(39.61, 55.33, 38.76)
CIE-LCH	lch(39.61, 67.55, 35.01°)
OKLab	oklab(50.08% 0.1582 0.0831)
OKLCH	oklch(50.08% 0.179 27.7)
XYZ	xyz(19.5289, 11.0198, 2.5373)
Luminance	0.1102 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#B32521 #21AFB3

analogous

#B32166 #B32521 #B36E21

triadic

#B32521 #21B325 #2521B3

tetradic

#B32521 #66B321 #21AFB3 #6E21B3

square

#B32521 #66B321 #21AFB3 #6E21B3

split-complementary

#B32521 #21B36E #2166B3

monochromatic

#4C100E #7F1A17 #B32521 #DA3C37 #E46E6B

Accessibility & contrast

On white

6.56

#B32521 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.20

#B32521 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #B32521

6.56:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##B32521	#FFFFFF	#000000	##FFFFFF
##B32521	1.00	6.56	3.20	6.56
#FFFFFF	6.56	1.00	21.00	1.00
#000000	3.20	21.00	1.00	21.00
##FFFFFF	6.56	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#524A1F

Deuteranopia (green-blind)

#75681A

Tritanopia (blue-blind)

#C60026

Achromatopsia (no color)

#5D5D5D

Design tokens & code

CSS

--color: #b32521;
/* rgb */ color: rgb(179, 37, 33);
/* oklch */ color: oklch(50.1% 0.179 27.7);

Tailwind

colors: {
  custom: {
    50: '#d36d5d',
    500: '#b32521',
    950: '#000000',
  },
}

SCSS

$custom: #b32521;
$custom-light: #d36d5d;
$custom-dark: #000000;

JSON

{
  "hex": "#b32521",
  "rgb": {
    "r": 179,
    "g": 37,
    "b": 33
  },
  "hsl": {
    "h": 1.644,
    "s": 68.868,
    "l": 41.569
  },
  "oklch": {
    "l": 0.50078,
    "c": 0.17867,
    "h": 27.7
  },
  "luminance": 0.11017
}

Semantic roles & 50–950 ramp

primary

#B32521

secondary

#66C7CA

accent

#E7EC3C

background

#FEF7F5

surface

#FCEDE9

border

#D5C8C5

text

#160804

muted

#847B79

Preview Lab

Preview with #B32521

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

Preview Lab → · Contrast checker → · Palette generator →