#B33343#B33343

#B33343 is a mid, vivid red. Relative luminance 0.124; OKLCH L 51.8% C 0.164 H 18.1°. Best body text is #FFFFFF at 6.05:1 contrast (WCAG AA passes).

Color values

HEX	#B33343
RGB	rgb(179, 51, 67)
HSL	hsl(353, 56%, 45%)
HSV	hsv(353, 72%, 70%)
CMYK	cmyk(0%, 71.5%, 62.6%, 29.8%)
CIE-LAB	lab(41.78, 52.20, 21.06)
CIE-LCH	lch(41.78, 56.29, 21.97°)
OKLab	oklab(51.84% 0.1555 0.0509)
OKLCH	oklch(51.84% 0.164 18.1)
XYZ	xyz(20.7895, 12.3596, 6.6000)
Luminance	0.1236 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#B33343 #33B3A3

analogous

#B33383 #B33343 #B36333

triadic

#B33343 #43B333 #3343B3

tetradic

#B33343 #83B333 #33B3A3 #6333B3

square

#B33343 #83B333 #33B3A3 #6333B3

split-complementary

#B33343 #33B363 #3383B3

monochromatic

#54181F #832531 #B33343 #CE5564 #DC848F

Accessibility & contrast

On white

6.05

#B33343 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.47

#B33343 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #B33343

6.05:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##B33343	#FFFFFF	#000000	##FFFFFF
##B33343	1.00	6.05	3.47	6.05
#FFFFFF	6.05	1.00	21.00	1.00
#000000	3.47	21.00	1.00	21.00
##FFFFFF	6.05	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#565143

Deuteranopia (green-blind)

#766C3F

Tritanopia (blue-blind)

#C40C3A

Achromatopsia (no color)

#636363

Design tokens & code

CSS

--color: #b33343;
/* rgb */ color: rgb(179, 51, 67);
/* oklch */ color: oklch(51.8% 0.164 18.1);

Tailwind

colors: {
  custom: {
    50: '#d17477',
    500: '#b33343',
    950: '#000000',
  },
}

SCSS

$custom: #b33343;
$custom-light: #d17477;
$custom-dark: #000000;

JSON

{
  "hex": "#b33343",
  "rgb": {
    "r": 179,
    "g": 51,
    "b": 67
  },
  "hsl": {
    "h": 352.5,
    "s": 55.652,
    "l": 45.098
  },
  "oklch": {
    "l": 0.51844,
    "c": 0.16359,
    "h": 18.1
  },
  "luminance": 0.12357
}

Semantic roles & 50–950 ramp

primary

#B33343

secondary

#7CC6BC

accent

#DFCC49

background

#FDF7F7

surface

#FBEDED

border

#D4C8C8

text

#150908

muted

#837B7B

Preview Lab

Preview with #B33343

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

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