#B21E43#B21E43

#B21E43 is a mid, vivid red. Relative luminance 0.108; OKLCH L 49.9% C 0.181 H 13.8°. Best body text is #FFFFFF at 6.65:1 contrast (WCAG AA passes).

Color values

HEX	#B21E43
RGB	rgb(178, 30, 67)
HSL	hsl(345, 71%, 41%)
HSV	hsv(345, 83%, 70%)
CMYK	cmyk(0%, 83.1%, 62.4%, 30.2%)
CIE-LAB	lab(39.24, 58.47, 17.69)
CIE-LCH	lch(39.24, 61.09, 16.83°)
OKLab	oklab(49.93% 0.1758 0.0431)
OKLCH	oklch(49.93% 0.181 13.8)
XYZ	xyz(19.8396, 10.8018, 6.3494)
Luminance	0.1080 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#B21E43 #1EB28D

analogous

#B21E8D #B21E43 #B2431E

triadic

#B21E43 #43B21E #1E43B2

tetradic

#B21E43 #8DB21E #1EB28D #431EB2

square

#B21E43 #8DB21E #1EB28D #431EB2

split-complementary

#B21E43 #1EB243 #1E8DB2

monochromatic

#490C1C #7E152F #B21E43 #DC315C #E56585

Accessibility & contrast

On white

6.65

#B21E43 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.16

#B21E43 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #B21E43

6.65:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##B21E43	#FFFFFF	#000000	##FFFFFF
##B21E43	1.00	6.65	3.16	6.65
#FFFFFF	6.65	1.00	21.00	1.00
#000000	3.16	21.00	1.00	21.00
##FFFFFF	6.65	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#4B4943

Deuteranopia (green-blind)

#70673F

Tritanopia (blue-blind)

#C3002F

Achromatopsia (no color)

#5C5C5C

Design tokens & code

CSS

--color: #b21e43;
/* rgb */ color: rgb(178, 30, 67);
/* oklch */ color: oklch(49.9% 0.181 13.8);

Tailwind

colors: {
  custom: {
    50: '#d16b76',
    500: '#b21e43',
    950: '#000000',
  },
}

SCSS

$custom: #b21e43;
$custom-light: #d16b76;
$custom-dark: #000000;

JSON

{
  "hex": "#b21e43",
  "rgb": {
    "r": 178,
    "g": 30,
    "b": 67
  },
  "hsl": {
    "h": 345,
    "s": 71.154,
    "l": 40.784
  },
  "oklch": {
    "l": 0.49929,
    "c": 0.18099,
    "h": 13.8
  },
  "luminance": 0.10799
}

Semantic roles & 50–950 ramp

primary

#B21E43

secondary

#62CAB0

accent

#EEC13A

background

#FDF6F7

surface

#FBECED

border

#D4C7C8

text

#150808

muted

#837A7B

Preview Lab

Preview with #B21E43

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

Preview Lab → · Contrast checker → · Palette generator →