#B33A43#B33A43

#B33A43 is a mid, vivid red. Relative luminance 0.130; OKLCH L 52.6% C 0.156 H 20.2°. Best body text is #FFFFFF at 5.83:1 contrast (WCAG AA passes).

Color values

HEX	#B33A43
RGB	rgb(179, 58, 67)
HSL	hsl(356, 51%, 46%)
HSV	hsv(356, 68%, 70%)
CMYK	cmyk(0%, 67.6%, 62.6%, 29.8%)
CIE-LAB	lab(42.79, 49.43, 22.37)
CIE-LCH	lch(42.79, 54.26, 24.34°)
OKLab	oklab(52.6% 0.1467 0.0539)
OKLCH	oklch(52.6% 0.156 20.2)
XYZ	xyz(21.1187, 13.0180, 6.7098)
Luminance	0.1301 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#B33A43 #3AB3AA

analogous

#B33A80 #B33A43 #B36E3A

triadic

#B33A43 #43B33A #3A43B3

tetradic

#B33A43 #80B33A #3AB3AA #6E3AB3

square

#B33A43 #80B33A #3AB3AA #6E3AB3

split-complementary

#B33A43 #3AB36E #3A80B3

monochromatic

#571C20 #852B32 #B33A43 #CB5F67 #DA8D93

Accessibility & contrast

On white

5.83

#B33A43 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.60

#B33A43 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #B33A43

5.83:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##B33A43	#FFFFFF	#000000	##FFFFFF
##B33A43	1.00	5.83	3.60	5.83
#FFFFFF	5.83	1.00	21.00	1.00
#000000	3.60	21.00	1.00	21.00
##FFFFFF	5.83	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#5A5542

Deuteranopia (green-blind)

#786E40

Tritanopia (blue-blind)

#C41D3E

Achromatopsia (no color)

#656565

Design tokens & code

CSS

--color: #b33a43;
/* rgb */ color: rgb(179, 58, 67);
/* oklch */ color: oklch(52.6% 0.156 20.2);

Tailwind

colors: {
  custom: {
    50: '#d07777',
    500: '#b33a43',
    950: '#000000',
  },
}

SCSS

$custom: #b33a43;
$custom-light: #d07777;
$custom-dark: #000000;

JSON

{
  "hex": "#b33a43",
  "rgb": {
    "r": 179,
    "g": 58,
    "b": 67
  },
  "hsl": {
    "h": 355.537,
    "s": 51.055,
    "l": 46.471
  },
  "oklch": {
    "l": 0.52596,
    "c": 0.15624,
    "h": 20.2
  },
  "luminance": 0.13015
}

Semantic roles & 50–950 ramp

primary

#B33A43

secondary

#84C5C0

accent

#DBD04D

background

#FDF7F7

surface

#FBEEED

border

#D4C9C8

text

#150908

muted

#837B7B

Preview Lab

Preview with #B33A43

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

Preview Lab → · Contrast checker → · Palette generator →