#B4213E#B4213E

#B4213E is a mid, vivid red. Relative luminance 0.111; OKLCH L 50.4% C 0.180 H 16.7°. Best body text is #FFFFFF at 6.51:1 contrast (WCAG AA passes).

Color values

HEX	#B4213E
RGB	rgb(180, 33, 62)
HSL	hsl(348, 69%, 42%)
HSV	hsv(348, 82%, 71%)
CMYK	cmyk(0%, 81.7%, 65.6%, 29.4%)
CIE-LAB	lab(39.82, 57.97, 21.68)
CIE-LCH	lch(39.82, 61.89, 20.50°)
OKLab	oklab(50.39% 0.1729 0.0518)
OKLCH	oklch(50.39% 0.18 16.7)
XYZ	xyz(20.2380, 11.1419, 5.6415)
Luminance	0.1114 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#B4213E #21B497

analogous

#B42188 #B4213E #B44D21

triadic

#B4213E #3EB421 #213EB4

tetradic

#B4213E #88B421 #21B497 #4D21B4

square

#B4213E #88B421 #21B497 #4D21B4

split-complementary

#B4213E #21B44D #2188B4

monochromatic

#4D0E1A #80182C #B4213E #DA3858 #E46B83

Accessibility & contrast

On white

6.51

#B4213E on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.23

#B4213E on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #B4213E

6.51:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##B4213E	#FFFFFF	#000000	##FFFFFF
##B4213E	1.00	6.51	3.23	6.51
#FFFFFF	6.51	1.00	21.00	1.00
#000000	3.23	21.00	1.00	21.00
##FFFFFF	6.51	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#4E4A3E

Deuteranopia (green-blind)

#72693A

Tritanopia (blue-blind)

#C6002E

Achromatopsia (no color)

#5E5E5E

Design tokens & code

CSS

--color: #b4213e;
/* rgb */ color: rgb(180, 33, 62);
/* oklch */ color: oklch(50.4% 0.180 16.7);

Tailwind

colors: {
  custom: {
    50: '#d26d73',
    500: '#b4213e',
    950: '#000000',
  },
}

SCSS

$custom: #b4213e;
$custom-light: #d26d73;
$custom-dark: #000000;

JSON

{
  "hex": "#b4213e",
  "rgb": {
    "r": 180,
    "g": 33,
    "b": 62
  },
  "hsl": {
    "h": 348.163,
    "s": 69.014,
    "l": 41.765
  },
  "oklch": {
    "l": 0.50393,
    "c": 0.18045,
    "h": 16.7
  },
  "luminance": 0.11139
}

Semantic roles & 50–950 ramp

primary

#B4213E

secondary

#67CAB6

accent

#ECC93C

background

#FEF7F6

surface

#FCEDEC

border

#D5C8C7

text

#160808

muted

#847B7B

Preview Lab

Preview with #B4213E

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

Preview Lab → · Contrast checker → · Palette generator →