#B33D47#B33D47

#B33D47 is a mid, vivid red. Relative luminance 0.134; OKLCH L 53.0% C 0.153 H 19.2°. Best body text is #FFFFFF at 5.71:1 contrast (WCAG AA passes).

Color values

HEX	#B33D47
RGB	rgb(179, 61, 71)
HSL	hsl(355, 49%, 47%)
HSV	hsv(355, 66%, 70%)
CMYK	cmyk(0%, 65.9%, 60.3%, 29.8%)
CIE-LAB	lab(43.33, 48.44, 20.62)
CIE-LCH	lch(43.33, 52.65, 23.05°)
OKLab	oklab(53.02% 0.1443 0.0502)
OKLCH	oklch(53.02% 0.153 19.2)
XYZ	xyz(21.3985, 13.3790, 7.4156)
Luminance	0.1338 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#B33D47 #3DB3A9

analogous

#B33D82 #B33D47 #B36E3D

triadic

#B33D47 #47B33D #3D47B3

tetradic

#B33D47 #82B33D #3DB3A9 #6E3DB3

square

#B33D47 #82B33D #3DB3A9 #6E3DB3

split-complementary

#B33D47 #3DB36E #3D82B3

monochromatic

#581E23 #852D35 #B33D47 #CA636C #D99197

Accessibility & contrast

On white

5.71

#B33D47 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.68

#B33D47 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #B33D47

5.71:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##B33D47	#FFFFFF	#000000	##FFFFFF
##B33D47	1.00	5.71	3.68	5.71
#FFFFFF	5.71	1.00	21.00	1.00
#000000	3.68	21.00	1.00	21.00
##FFFFFF	5.71	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#5B5747

Deuteranopia (green-blind)

#797044

Tritanopia (blue-blind)

#C42441

Achromatopsia (no color)

#666666

Design tokens & code

CSS

--color: #b33d47;
/* rgb */ color: rgb(179, 61, 71);
/* oklch */ color: oklch(53.0% 0.153 19.2);

Tailwind

colors: {
  custom: {
    50: '#d0797a',
    500: '#b33d47',
    950: '#000000',
  },
}

SCSS

$custom: #b33d47;
$custom-light: #d0797a;
$custom-dark: #000000;

JSON

{
  "hex": "#b33d47",
  "rgb": {
    "r": 179,
    "g": 61,
    "b": 71
  },
  "hsl": {
    "h": 354.915,
    "s": 49.167,
    "l": 47.059
  },
  "oklch": {
    "l": 0.53023,
    "c": 0.15273,
    "h": 19.2
  },
  "luminance": 0.13376
}

Semantic roles & 50–950 ramp

primary

#B33D47

secondary

#87C5BF

accent

#D9CD4F

background

#FDF7F7

surface

#FBEEED

border

#D4C9C8

text

#150909

muted

#837B7B

Preview Lab

Preview with #B33D47

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

Preview Lab → · Contrast checker → · Palette generator →