#B33440#B33440

#B33440 is a mid, vivid red. Relative luminance 0.124; OKLCH L 51.9% C 0.163 H 19.8°. Best body text is #FFFFFF at 6.03:1 contrast (WCAG AA passes).

Color values

HEX	#B33440
RGB	rgb(179, 52, 64)
HSL	hsl(354, 55%, 45%)
HSV	hsv(354, 71%, 70%)
CMYK	cmyk(0%, 70.9%, 64.2%, 29.8%)
CIE-LAB	lab(41.86, 51.63, 23.02)
CIE-LCH	lch(41.86, 56.53, 24.03°)
OKLab	oklab(51.89% 0.1531 0.0551)
OKLCH	oklch(51.89% 0.163 19.8)
XYZ	xyz(20.7460, 12.4128, 6.1530)
Luminance	0.1241 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#B33440 #34B3A7

analogous

#B3347F #B33440 #B36834

triadic

#B33440 #40B334 #3440B3

tetradic

#B33440 #7FB334 #34B3A7 #6834B3

square

#B33440 #7FB334 #34B3A7 #6834B3

split-complementary

#B33440 #34B368 #347FB3

monochromatic

#54181E #84262F #B33440 #CE5662 #DC868E

Accessibility & contrast

On white

6.03

#B33440 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.48

#B33440 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #B33440

6.03:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##B33440	#FFFFFF	#000000	##FFFFFF
##B33440	1.00	6.03	3.48	6.03
#FFFFFF	6.03	1.00	21.00	1.00
#000000	3.48	21.00	1.00	21.00
##FFFFFF	6.03	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#575240

Deuteranopia (green-blind)

#776D3C

Tritanopia (blue-blind)

#C40D39

Achromatopsia (no color)

#636363

Design tokens & code

CSS

--color: #b33440;
/* rgb */ color: rgb(179, 52, 64);
/* oklch */ color: oklch(51.9% 0.163 19.8);

Tailwind

colors: {
  custom: {
    50: '#d17474',
    500: '#b33440',
    950: '#000000',
  },
}

SCSS

$custom: #b33440;
$custom-light: #d17474;
$custom-dark: #000000;

JSON

{
  "hex": "#b33440",
  "rgb": {
    "r": 179,
    "g": 52,
    "b": 64
  },
  "hsl": {
    "h": 354.331,
    "s": 54.978,
    "l": 45.294
  },
  "oklch": {
    "l": 0.51888,
    "c": 0.16267,
    "h": 19.8
  },
  "luminance": 0.1241
}

Semantic roles & 50–950 ramp

primary

#B33440

secondary

#7DC5BF

accent

#DED049

background

#FDF7F7

surface

#FBEDED

border

#D4C8C8

text

#150908

muted

#837B7B

Preview Lab

Preview with #B33440

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

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