#B33B53#B33B53

#B33B53 is a mid, vivid red. Relative luminance 0.133; OKLCH L 53.1% C 0.155 H 12.3°. Best body text is #FFFFFF at 5.73:1 contrast (WCAG AA passes).

Color values

HEX	#B33B53
RGB	rgb(179, 59, 83)
HSL	hsl(348, 50%, 47%)
HSV	hsv(348, 67%, 70%)
CMYK	cmyk(0%, 67%, 53.6%, 29.8%)
CIE-LAB	lab(43.27, 50.20, 13.13)
CIE-LCH	lch(43.27, 51.89, 14.66°)
OKLab	oklab(53.06% 0.1517 0.0332)
OKLCH	oklch(53.06% 0.155 12.3)
XYZ	xyz(21.7176, 13.3390, 9.6130)
Luminance	0.1334 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#B33B53 #3BB39B

analogous

#B33B8F #B33B53 #B35F3B

triadic

#B33B53 #53B33B #3B53B3

tetradic

#B33B53 #8FB33B #3BB39B #5F3BB3

square

#B33B53 #8FB33B #3BB39B #5F3BB3

split-complementary

#B33B53 #3BB35F #3B8FB3

monochromatic

#571D28 #852C3E #B33B53 #CB6076 #DA8E9E

Accessibility & contrast

On white

5.73

#B33B53 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.67

#B33B53 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #B33B53

5.73:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##B33B53	#FFFFFF	#000000	##FFFFFF
##B33B53	1.00	5.73	3.67	5.73
#FFFFFF	5.73	1.00	21.00	1.00
#000000	3.67	21.00	1.00	21.00
##FFFFFF	5.73	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#585753

Deuteranopia (green-blind)

#776F50

Tritanopia (blue-blind)

#C32545

Achromatopsia (no color)

#666666

Design tokens & code

CSS

--color: #b33b53;
/* rgb */ color: rgb(179, 59, 83);
/* oklch */ color: oklch(53.1% 0.155 12.3);

Tailwind

colors: {
  custom: {
    50: '#cf7883',
    500: '#b33b53',
    950: '#000000',
  },
}

SCSS

$custom: #b33b53;
$custom-light: #cf7883;
$custom-dark: #000000;

JSON

{
  "hex": "#b33b53",
  "rgb": {
    "r": 179,
    "g": 59,
    "b": 83
  },
  "hsl": {
    "h": 348,
    "s": 50.42,
    "l": 46.667
  },
  "oklch": {
    "l": 0.5306,
    "c": 0.1553,
    "h": 12.3
  },
  "luminance": 0.13336
}

Semantic roles & 50–950 ramp

primary

#B33B53

secondary

#85C5B8

accent

#DABE4E

background

#FDF7F7

surface

#FAEEEE

border

#D3C9C9

text

#15090A

muted

#837B7C

Preview Lab

Preview with #B33B53

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

Preview Lab → · Contrast checker → · Palette generator →