#B33443#B33443

#B33443 is a mid, vivid red. Relative luminance 0.124; OKLCH L 51.9% C 0.163 H 18.4°. Best body text is #FFFFFF at 6.02:1 contrast (WCAG AA passes).

Color values

HEX	#B33443
RGB	rgb(179, 52, 67)
HSL	hsl(353, 55%, 45%)
HSV	hsv(353, 71%, 70%)
CMYK	cmyk(0%, 70.9%, 62.6%, 29.8%)
CIE-LAB	lab(41.92, 51.82, 21.24)
CIE-LCH	lch(41.92, 56.00, 22.29°)
OKLab	oklab(51.95% 0.1543 0.0513)
OKLCH	oklch(51.95% 0.163 18.4)
XYZ	xyz(20.8336, 12.4479, 6.6148)
Luminance	0.1245 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#B33443 #34B3A4

analogous

#B33483 #B33443 #B36434

triadic

#B33443 #43B334 #3443B3

tetradic

#B33443 #83B334 #34B3A4 #6434B3

square

#B33443 #83B334 #34B3A4 #6434B3

split-complementary

#B33443 #34B364 #3483B3

monochromatic

#54181F #842631 #B33443 #CE5664 #DC8690

Accessibility & contrast

On white

6.02

#B33443 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.49

#B33443 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #B33443

6.02:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##B33443	#FFFFFF	#000000	##FFFFFF
##B33443	1.00	6.02	3.49	6.02
#FFFFFF	6.02	1.00	21.00	1.00
#000000	3.49	21.00	1.00	21.00
##FFFFFF	6.02	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#565243

Deuteranopia (green-blind)

#766D40

Tritanopia (blue-blind)

#C40F3A

Achromatopsia (no color)

#636363

Design tokens & code

CSS

--color: #b33443;
/* rgb */ color: rgb(179, 52, 67);
/* oklch */ color: oklch(51.9% 0.163 18.4);

Tailwind

colors: {
  custom: {
    50: '#d17477',
    500: '#b33443',
    950: '#000000',
  },
}

SCSS

$custom: #b33443;
$custom-light: #d17477;
$custom-dark: #000000;

JSON

{
  "hex": "#b33443",
  "rgb": {
    "r": 179,
    "g": 52,
    "b": 67
  },
  "hsl": {
    "h": 352.913,
    "s": 54.978,
    "l": 45.294
  },
  "oklch": {
    "l": 0.51946,
    "c": 0.16257,
    "h": 18.4
  },
  "luminance": 0.12445
}

Semantic roles & 50–950 ramp

primary

#B33443

secondary

#7DC5BD

accent

#DECD49

background

#FDF7F7

surface

#FBEDED

border

#D4C8C8

text

#150908

muted

#837B7B

Preview Lab

Preview with #B33443

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

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