#B21F4B#B21F4B

#B21F4B is a mid, vivid pink. Relative luminance 0.110; OKLCH L 50.2% C 0.181 H 10.3°. Best body text is #FFFFFF at 6.58:1 contrast (WCAG AA passes).

Color values

HEX	#B21F4B
RGB	rgb(178, 31, 75)
HSL	hsl(342, 70%, 41%)
HSV	hsv(342, 83%, 70%)
CMYK	cmyk(0%, 82.6%, 57.9%, 30.2%)
CIE-LAB	lab(39.51, 58.75, 12.96)
CIE-LCH	lch(39.51, 60.16, 12.44°)
OKLab	oklab(50.18% 0.1781 0.0324)
OKLCH	oklch(50.18% 0.181 10.3)
XYZ	xyz(20.1221, 10.9560, 7.7104)
Luminance	0.1095 (WCAG relative)
Temperature	warm
Family	pink

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#B21F4B #1FB286

analogous

#B21F94 #B21F4B #B23C1F

triadic

#B21F4B #4BB21F #1F4BB2

tetradic

#B21F4B #94B21F #1FB286 #3C1FB2

square

#B21F4B #94B21F #1FB286 #3C1FB2

split-complementary

#B21F4B #1FB23C #1F94B2

monochromatic

#4A0D1F #7E1635 #B21F4B #DB3365 #E5678C

Accessibility & contrast

On white

6.58

#B21F4B on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.19

#B21F4B on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #B21F4B

6.58:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##B21F4B	#FFFFFF	#000000	##FFFFFF
##B21F4B	1.00	6.58	3.19	6.58
#FFFFFF	6.58	1.00	21.00	1.00
#000000	3.19	21.00	1.00	21.00
##FFFFFF	6.58	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#4A4A4C

Deuteranopia (green-blind)

#6F6847

Tritanopia (blue-blind)

#C30033

Achromatopsia (no color)

#5D5D5D

Design tokens & code

CSS

--color: #b21f4b;
/* rgb */ color: rgb(178, 31, 75);
/* oklch */ color: oklch(50.2% 0.181 10.3);

Tailwind

colors: {
  custom: {
    50: '#d06c7c',
    500: '#b21f4b',
    950: '#000000',
  },
}

SCSS

$custom: #b21f4b;
$custom-light: #d06c7c;
$custom-dark: #000000;

JSON

{
  "hex": "#b21f4b",
  "rgb": {
    "r": 178,
    "g": 31,
    "b": 75
  },
  "hsl": {
    "h": 342.041,
    "s": 70.335,
    "l": 40.98
  },
  "oklch": {
    "l": 0.50179,
    "c": 0.18105,
    "h": 10.3
  },
  "luminance": 0.10953
}

Semantic roles & 50–950 ramp

primary

#B21F4B

secondary

#63CAAB

accent

#EDB83B

background

#FDF7F7

surface

#FBEDEE

border

#D4C8C9

text

#150809

muted

#837B7B

Preview Lab

Preview with #B21F4B

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

Preview Lab → · Contrast checker → · Palette generator →