#B33E4B#B33E4B

#B33E4B is a mid, vivid red. Relative luminance 0.135; OKLCH L 53.2% C 0.151 H 17.5°. Best body text is #FFFFFF at 5.66:1 contrast (WCAG AA passes).

Color values

HEX	#B33E4B
RGB	rgb(179, 62, 75)
HSL	hsl(353, 49%, 47%)
HSV	hsv(353, 65%, 70%)
CMYK	cmyk(0%, 65.4%, 58.1%, 29.8%)
CIE-LAB	lab(43.57, 48.30, 18.47)
CIE-LCH	lch(43.57, 51.72, 20.93°)
OKLab	oklab(53.23% 0.1445 0.0455)
OKLCH	oklch(53.23% 0.151 17.5)
XYZ	xyz(21.5850, 13.5398, 8.1321)
Luminance	0.1354 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#B33E4B #3EB3A6

analogous

#B33E86 #B33E4B #B36B3E

triadic

#B33E4B #4BB33E #3E4BB3

tetradic

#B33E4B #86B33E #3EB3A6 #6B3EB3

square

#B33E4B #86B33E #3EB3A6 #6B3EB3

split-complementary

#B33E4B #3EB36B #3E86B3

monochromatic

#581F25 #862E38 #B33E4B #CA6570 #D9929A

Accessibility & contrast

On white

5.66

#B33E4B on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.71

#B33E4B on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #B33E4B

5.66:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##B33E4B	#FFFFFF	#000000	##FFFFFF
##B33E4B	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)

#5B584B

Deuteranopia (green-blind)

#797048

Tritanopia (blue-blind)

#C42743

Achromatopsia (no color)

#676767

Design tokens & code

CSS

--color: #b33e4b;
/* rgb */ color: rgb(179, 62, 75);
/* oklch */ color: oklch(53.2% 0.151 17.5);

Tailwind

colors: {
  custom: {
    50: '#d07a7d',
    500: '#b33e4b',
    950: '#000000',
  },
}

SCSS

$custom: #b33e4b;
$custom-light: #d07a7d;
$custom-dark: #000000;

JSON

{
  "hex": "#b33e4b",
  "rgb": {
    "r": 179,
    "g": 62,
    "b": 75
  },
  "hsl": {
    "h": 353.333,
    "s": 48.548,
    "l": 47.255
  },
  "oklch": {
    "l": 0.53225,
    "c": 0.15148,
    "h": 17.5
  },
  "luminance": 0.13537
}

Semantic roles & 50–950 ramp

primary

#B33E4B

secondary

#88C5BE

accent

#D8C950

background

#FDF7F7

surface

#FBEEEE

border

#D4C9C9

text

#150A09

muted

#837C7B

Preview Lab

Preview with #B33E4B

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

Preview Lab → · Contrast checker → · Palette generator →