#B32831#B32831

#B32831 is a mid, vivid red. Relative luminance 0.113; OKLCH L 50.5% C 0.175 H 23.1°. Best body text is #FFFFFF at 6.43:1 contrast (WCAG AA passes).

Color values

HEX	#B32831
RGB	rgb(179, 40, 49)
HSL	hsl(356, 63%, 43%)
HSV	hsv(356, 78%, 70%)
CMYK	cmyk(0%, 77.7%, 72.6%, 29.8%)
CIE-LAB	lab(40.12, 55.01, 30.04)
CIE-LCH	lch(40.12, 62.68, 28.64°)
OKLab	oklab(50.52% 0.1606 0.0685)
OKLCH	oklch(50.52% 0.175 23.1)
XYZ	xyz(19.9059, 11.3261, 4.0432)
Luminance	0.1132 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#B32831 #28B3AA

analogous

#B32876 #B32831 #B36428

triadic

#B32831 #31B328 #2831B3

tetradic

#B32831 #76B328 #28B3AA #6428B3

square

#B32831 #76B328 #28B3AA #6428B3

split-complementary

#B32831 #28B364 #2876B3

monochromatic

#4F1216 #811D23 #B32831 #D5434D #E0757C

Accessibility & contrast

On white

6.43

#B32831 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.26

#B32831 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #B32831

6.43:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##B32831	#FFFFFF	#000000	##FFFFFF
##B32831	1.00	6.43	3.26	6.43
#FFFFFF	6.43	1.00	21.00	1.00
#000000	3.26	21.00	1.00	21.00
##FFFFFF	6.43	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#524C30

Deuteranopia (green-blind)

#75692C

Tritanopia (blue-blind)

#C5002D

Achromatopsia (no color)

#5F5F5F

Design tokens & code

CSS

--color: #b32831;
/* rgb */ color: rgb(179, 40, 49);
/* oklch */ color: oklch(50.5% 0.175 23.1);

Tailwind

colors: {
  custom: {
    50: '#d26f69',
    500: '#b32831',
    950: '#000000',
  },
}

SCSS

$custom: #b32831;
$custom-light: #d26f69;
$custom-dark: #000000;

JSON

{
  "hex": "#b32831",
  "rgb": {
    "r": 179,
    "g": 40,
    "b": 49
  },
  "hsl": {
    "h": 356.115,
    "s": 63.47,
    "l": 42.941
  },
  "oklch": {
    "l": 0.50517,
    "c": 0.17463,
    "h": 23.1
  },
  "luminance": 0.11323
}

Semantic roles & 50–950 ramp

primary

#B32831

secondary

#6FC8C2

accent

#E6DC41

background

#FEF7F6

surface

#FCEDEB

border

#D5C8C6

text

#160806

muted

#847B7A

Preview Lab

Preview with #B32831

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

Preview Lab → · Contrast checker → · Palette generator →