#B42F33#B42F33

#B42F33 is a mid, vivid red. Relative luminance 0.120; OKLCH L 51.3% C 0.170 H 24.0°. Best body text is #FFFFFF at 6.19:1 contrast (WCAG AA passes).

Color values

HEX	#B42F33
RGB	rgb(180, 47, 51)
HSL	hsl(358, 59%, 45%)
HSV	hsv(358, 74%, 71%)
CMYK	cmyk(0%, 73.9%, 71.7%, 29.4%)
CIE-LAB	lab(41.18, 53.08, 30.13)
CIE-LCH	lch(41.18, 61.03, 29.58°)
OKLab	oklab(51.35% 0.1548 0.069)
OKLCH	oklch(51.35% 0.17 24)
XYZ	xyz(20.4387, 11.9785, 4.3672)
Luminance	0.1197 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#B42F33 #2FB4B0

analogous

#B42F76 #B42F33 #B46D2F

triadic

#B42F33 #33B42F #2F33B4

tetradic

#B42F33 #76B42F #2FB4B0 #6D2FB4

square

#B42F33 #76B42F #2FB4B0 #6D2FB4

split-complementary

#B42F33 #2FB46D #2F76B4

monochromatic

#531618 #832225 #B42F33 #D14F53 #DE8082

Accessibility & contrast

On white

6.19

#B42F33 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.40

#B42F33 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #B42F33

6.19:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##B42F33	#FFFFFF	#000000	##FFFFFF
##B42F33	1.00	6.19	3.40	6.19
#FFFFFF	6.19	1.00	21.00	1.00
#000000	3.40	21.00	1.00	21.00
##FFFFFF	6.19	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#564F32

Deuteranopia (green-blind)

#776C2F

Tritanopia (blue-blind)

#C60032

Achromatopsia (no color)

#616161

Design tokens & code

CSS

--color: #b42f33;
/* rgb */ color: rgb(180, 47, 51);
/* oklch */ color: oklch(51.3% 0.170 24.0);

Tailwind

colors: {
  custom: {
    50: '#d3726b',
    500: '#b42f33',
    950: '#000000',
  },
}

SCSS

$custom: #b42f33;
$custom-light: #d3726b;
$custom-dark: #000000;

JSON

{
  "hex": "#b42f33",
  "rgb": {
    "r": 180,
    "g": 47,
    "b": 51
  },
  "hsl": {
    "h": 358.195,
    "s": 58.59,
    "l": 44.51
  },
  "oklch": {
    "l": 0.51347,
    "c": 0.16951,
    "h": 24
  },
  "luminance": 0.11975
}

Semantic roles & 50–950 ramp

primary

#B42F33

secondary

#78C7C4

accent

#E2DD46

background

#FEF7F6

surface

#FCEDEB

border

#D5C8C6

text

#160806

muted

#847B7A

Preview Lab

Preview with #B42F33

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

Preview Lab → · Contrast checker → · Palette generator →