#B33547#B33547

#B33547 is a mid, vivid red. Relative luminance 0.126; OKLCH L 52.1% C 0.161 H 16.8°. Best body text is #FFFFFF at 5.97:1 contrast (WCAG AA passes).

Color values

HEX	#B33547
RGB	rgb(179, 53, 71)
HSL	hsl(351, 54%, 45%)
HSV	hsv(351, 70%, 70%)
CMYK	cmyk(0%, 70.4%, 60.3%, 29.8%)
CIE-LAB	lab(42.14, 51.70, 19.04)
CIE-LCH	lch(42.14, 55.10, 20.22°)
OKLab	oklab(52.13% 0.1546 0.0466)
OKLCH	oklch(52.13% 0.161 16.8)
XYZ	xyz(21.0029, 12.5878, 7.2838)
Luminance	0.1258 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#B33547 #35B3A1

analogous

#B33586 #B33547 #B36235

triadic

#B33547 #47B335 #3547B3

tetradic

#B33547 #86B335 #35B3A1 #6235B3

square

#B33547 #86B335 #35B3A1 #6235B3

split-complementary

#B33547 #35B362 #3586B3

monochromatic

#551922 #842734 #B33547 #CD5869 #DB8793

Accessibility & contrast

On white

5.97

#B33547 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.52

#B33547 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #B33547

5.97:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##B33547	#FFFFFF	#000000	##FFFFFF
##B33547	1.00	5.97	3.52	5.97
#FFFFFF	5.97	1.00	21.00	1.00
#000000	3.52	21.00	1.00	21.00
##FFFFFF	5.97	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#565347

Deuteranopia (green-blind)

#766D44

Tritanopia (blue-blind)

#C4143C

Achromatopsia (no color)

#636363

Design tokens & code

CSS

--color: #b33547;
/* rgb */ color: rgb(179, 53, 71);
/* oklch */ color: oklch(52.1% 0.161 16.8);

Tailwind

colors: {
  custom: {
    50: '#d0757a',
    500: '#b33547',
    950: '#000000',
  },
}

SCSS

$custom: #b33547;
$custom-light: #d0757a;
$custom-dark: #000000;

JSON

{
  "hex": "#b33547",
  "rgb": {
    "r": 179,
    "g": 53,
    "b": 71
  },
  "hsl": {
    "h": 351.429,
    "s": 54.31,
    "l": 45.49
  },
  "oklch": {
    "l": 0.52132,
    "c": 0.16148,
    "h": 16.8
  },
  "luminance": 0.12585
}

Semantic roles & 50–950 ramp

primary

#B33547

secondary

#7FC5BB

accent

#DEC94A

background

#FDF7F7

surface

#FBEDED

border

#D4C8C8

text

#150909

muted

#837B7B

Preview Lab

Preview with #B33547

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

Preview Lab → · Contrast checker → · Palette generator →