#B33A47#B33A47

#B33A47 is a mid, vivid red. Relative luminance 0.131; OKLCH L 52.7% C 0.156 H 18.2°. Best body text is #FFFFFF at 5.81:1 contrast (WCAG AA passes).

Color values

HEX	#B33A47
RGB	rgb(179, 58, 71)
HSL	hsl(354, 51%, 46%)
HSV	hsv(354, 68%, 70%)
CMYK	cmyk(0%, 67.6%, 60.3%, 29.8%)
CIE-LAB	lab(42.87, 49.70, 20.01)
CIE-LCH	lch(42.87, 53.58, 21.93°)
OKLab	oklab(52.68% 0.1483 0.0488)
OKLCH	oklch(52.68% 0.156 18.2)
XYZ	xyz(21.2428, 13.0677, 7.3637)
Luminance	0.1306 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#B33A47 #3AB3A6

analogous

#B33A84 #B33A47 #B36A3A

triadic

#B33A47 #47B33A #3A47B3

tetradic

#B33A47 #84B33A #3AB3A6 #6A3AB3

square

#B33A47 #84B33A #3AB3A6 #6A3AB3

split-complementary

#B33A47 #3AB36A #3A84B3

monochromatic

#571C22 #852B35 #B33A47 #CB5F6B #DA8D96

Accessibility & contrast

On white

5.81

#B33A47 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.61

#B33A47 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #B33A47

5.81:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##B33A47	#FFFFFF	#000000	##FFFFFF
##B33A47	1.00	5.81	3.61	5.81
#FFFFFF	5.81	1.00	21.00	1.00
#000000	3.61	21.00	1.00	21.00
##FFFFFF	5.81	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#595547

Deuteranopia (green-blind)

#786F44

Tritanopia (blue-blind)

#C41E40

Achromatopsia (no color)

#656565

Design tokens & code

CSS

--color: #b33a47;
/* rgb */ color: rgb(179, 58, 71);
/* oklch */ color: oklch(52.7% 0.156 18.2);

Tailwind

colors: {
  custom: {
    50: '#d0777a',
    500: '#b33a47',
    950: '#000000',
  },
}

SCSS

$custom: #b33a47;
$custom-light: #d0777a;
$custom-dark: #000000;

JSON

{
  "hex": "#b33a47",
  "rgb": {
    "r": 179,
    "g": 58,
    "b": 71
  },
  "hsl": {
    "h": 353.554,
    "s": 51.055,
    "l": 46.471
  },
  "oklch": {
    "l": 0.52676,
    "c": 0.15608,
    "h": 18.2
  },
  "luminance": 0.13065
}

Semantic roles & 50–950 ramp

primary

#B33A47

secondary

#84C5BE

accent

#DBCB4D

background

#FDF7F7

surface

#FBEEED

border

#D4C9C8

text

#150909

muted

#837B7B

Preview Lab

Preview with #B33A47

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

Preview Lab → · Contrast checker → · Palette generator →