#B33F44#B33F44

#B33F44 is a mid, vivid red. Relative luminance 0.136; OKLCH L 53.2% C 0.151 H 21.4°. Best body text is #FFFFFF at 5.66:1 contrast (WCAG AA passes).

Color values

HEX	#B33F44
RGB	rgb(179, 63, 68)
HSL	hsl(357, 48%, 47%)
HSV	hsv(357, 65%, 70%)
CMYK	cmyk(0%, 64.8%, 62%, 29.8%)
CIE-LAB	lab(43.59, 47.37, 22.79)
CIE-LCH	lch(43.59, 52.57, 25.69°)
OKLab	oklab(53.2% 0.1403 0.0549)
OKLCH	oklch(53.2% 0.151 21.4)
XYZ	xyz(21.4134, 13.5590, 6.9573)
Luminance	0.1356 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#B33F44 #3FB3AE

analogous

#B33F7E #B33F44 #B3743F

triadic

#B33F44 #44B33F #3F44B3

tetradic

#B33F44 #7EB33F #3FB3AE #743FB3

square

#B33F44 #7EB33F #3FB3AE #743FB3

split-complementary

#B33F44 #3FB374 #3F7EB3

monochromatic

#581F22 #862F33 #B33F44 #C9666A #D99396

Accessibility & contrast

On white

5.66

#B33F44 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.71

#B33F44 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #B33F44

5.66:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##B33F44	#FFFFFF	#000000	##FFFFFF
##B33F44	1.00	5.66	3.71	5.66
#FFFFFF	5.66	1.00	21.00	1.00
#000000	3.71	21.00	1.00	21.00
##FFFFFF	5.66	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#5D5743

Deuteranopia (green-blind)

#7A7041

Tritanopia (blue-blind)

#C42642

Achromatopsia (no color)

#676767

Design tokens & code

CSS

--color: #b33f44;
/* rgb */ color: rgb(179, 63, 68);
/* oklch */ color: oklch(53.2% 0.151 21.4);

Tailwind

colors: {
  custom: {
    50: '#d07a77',
    500: '#b33f44',
    950: '#000000',
  },
}

SCSS

$custom: #b33f44;
$custom-light: #d07a77;
$custom-dark: #000000;

JSON

{
  "hex": "#b33f44",
  "rgb": {
    "r": 179,
    "g": 63,
    "b": 68
  },
  "hsl": {
    "h": 357.414,
    "s": 47.934,
    "l": 47.451
  },
  "oklch": {
    "l": 0.53203,
    "c": 0.15068,
    "h": 21.4
  },
  "luminance": 0.13556
}

Semantic roles & 50–950 ramp

primary

#B33F44

secondary

#89C4C2

accent

#D8D250

background

#FDF7F7

surface

#FBEEED

border

#D4C9C8

text

#150A08

muted

#837C7B

Preview Lab

Preview with #B33F44

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

Preview Lab → · Contrast checker → · Palette generator →