#B33B41#B33B41

#B33B41 is a mid, vivid red. Relative luminance 0.131; OKLCH L 52.7% C 0.155 H 21.5°. Best body text is #FFFFFF at 5.80:1 contrast (WCAG AA passes).

Color values

HEX	#B33B41
RGB	rgb(179, 59, 65)
HSL	hsl(357, 50%, 47%)
HSV	hsv(357, 67%, 70%)
CMYK	cmyk(0%, 67%, 63.7%, 29.8%)
CIE-LAB	lab(42.91, 48.89, 23.74)
CIE-LCH	lch(42.91, 54.35, 25.90°)
OKLab	oklab(52.67% 0.1446 0.0568)
OKLCH	oklch(52.67% 0.155 21.5)
XYZ	xyz(21.1106, 13.0962, 6.4162)
Luminance	0.1309 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#B33B41 #3BB3AD

analogous

#B33B7D #B33B41 #B3713B

triadic

#B33B41 #41B33B #3B41B3

tetradic

#B33B41 #7DB33B #3BB3AD #713BB3

square

#B33B41 #7DB33B #3BB3AD #713BB3

split-complementary

#B33B41 #3BB371 #3B7DB3

monochromatic

#571D20 #852C30 #B33B41 #CB6066 #DA8E92

Accessibility & contrast

On white

5.80

#B33B41 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.62

#B33B41 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #B33B41

5.80:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##B33B41	#FFFFFF	#000000	##FFFFFF
##B33B41	1.00	5.80	3.62	5.80
#FFFFFF	5.80	1.00	21.00	1.00
#000000	3.62	21.00	1.00	21.00
##FFFFFF	5.80	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#5B5540

Deuteranopia (green-blind)

#796F3E

Tritanopia (blue-blind)

#C41E3E

Achromatopsia (no color)

#656565

Design tokens & code

CSS

--color: #b33b41;
/* rgb */ color: rgb(179, 59, 65);
/* oklch */ color: oklch(52.7% 0.155 21.5);

Tailwind

colors: {
  custom: {
    50: '#d07875',
    500: '#b33b41',
    950: '#000000',
  },
}

SCSS

$custom: #b33b41;
$custom-light: #d07875;
$custom-dark: #000000;

JSON

{
  "hex": "#b33b41",
  "rgb": {
    "r": 179,
    "g": 59,
    "b": 65
  },
  "hsl": {
    "h": 357,
    "s": 50.42,
    "l": 46.667
  },
  "oklch": {
    "l": 0.52672,
    "c": 0.15531,
    "h": 21.5
  },
  "luminance": 0.13093
}

Semantic roles & 50–950 ramp

primary

#B33B41

secondary

#85C5C2

accent

#DAD34E

background

#FDF7F7

surface

#FBEEED

border

#D4C9C8

text

#150908

muted

#837B7B

Preview Lab

Preview with #B33B41

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

Preview Lab → · Contrast checker → · Palette generator →