#B33447#B33447

#B33447 is a mid, vivid red. Relative luminance 0.125; OKLCH L 52.0% C 0.163 H 16.5°. Best body text is #FFFFFF at 6.00:1 contrast (WCAG AA passes).

Color values

HEX	#B33447
RGB	rgb(179, 52, 71)
HSL	hsl(351, 55%, 45%)
HSV	hsv(351, 71%, 70%)
CMYK	cmyk(0%, 70.9%, 60.3%, 29.8%)
CIE-LAB	lab(42.00, 52.08, 18.86)
CIE-LCH	lch(42.00, 55.39, 19.91°)
OKLab	oklab(52.03% 0.1558 0.0461)
OKLCH	oklch(52.03% 0.163 16.5)
XYZ	xyz(20.9578, 12.4976, 7.2687)
Luminance	0.1250 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#B33447 #34B3A0

analogous

#B33486 #B33447 #B36134

triadic

#B33447 #47B334 #3447B3

tetradic

#B33447 #86B334 #34B3A0 #6134B3

square

#B33447 #86B334 #34B3A0 #6134B3

split-complementary

#B33447 #34B361 #3486B3

monochromatic

#541821 #842634 #B33447 #CE5668 #DC8693

Accessibility & contrast

On white

6.00

#B33447 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.50

#B33447 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #B33447

6.00:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##B33447	#FFFFFF	#000000	##FFFFFF
##B33447	1.00	6.00	3.50	6.00
#FFFFFF	6.00	1.00	21.00	1.00
#000000	3.50	21.00	1.00	21.00
##FFFFFF	6.00	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#555247

Deuteranopia (green-blind)

#766D44

Tritanopia (blue-blind)

#C4123C

Achromatopsia (no color)

#636363

Design tokens & code

CSS

--color: #b33447;
/* rgb */ color: rgb(179, 52, 71);
/* oklch */ color: oklch(52.0% 0.163 16.5);

Tailwind

colors: {
  custom: {
    50: '#d0747a',
    500: '#b33447',
    950: '#000000',
  },
}

SCSS

$custom: #b33447;
$custom-light: #d0747a;
$custom-dark: #000000;

JSON

{
  "hex": "#b33447",
  "rgb": {
    "r": 179,
    "g": 52,
    "b": 71
  },
  "hsl": {
    "h": 351.024,
    "s": 54.978,
    "l": 45.294
  },
  "oklch": {
    "l": 0.52028,
    "c": 0.16253,
    "h": 16.5
  },
  "luminance": 0.12495
}

Semantic roles & 50–950 ramp

primary

#B33447

secondary

#7DC5BB

accent

#DEC849

background

#FDF7F7

surface

#FBEDED

border

#D4C8C8

text

#150909

muted

#837B7B

Preview Lab

Preview with #B33447

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

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