#B34237#B34237

#B34237 is a mid, vivid red. Relative luminance 0.138; OKLCH L 53.4% C 0.149 H 28.6°. Best body text is #FFFFFF at 5.60:1 contrast (WCAG AA passes).

Color values

HEX	#B34237
RGB	rgb(179, 66, 55)
HSL	hsl(5, 53%, 46%)
HSV	hsv(5, 69%, 70%)
CMYK	cmyk(0%, 63.1%, 69.3%, 29.8%)
CIE-LAB	lab(43.89, 45.25, 30.91)
CIE-LCH	lch(43.89, 54.80, 34.34°)
OKLab	oklab(53.36% 0.1311 0.0715)
OKLCH	oklch(53.36% 0.149 28.6)
XYZ	xyz(21.2304, 13.7589, 5.1515)
Luminance	0.1376 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#B34237 #37A8B3

analogous

#B3376A #B34237 #B38037

triadic

#B34237 #37B342 #4237B3

tetradic

#B34237 #6AB337 #37A8B3 #8037B3

square

#B34237 #6AB337 #37A8B3 #8037B3

split-complementary

#B34237 #37B380 #376AB3

monochromatic

#551F1A #843129 #B34237 #CD655B #DB918A

Accessibility & contrast

On white

5.60

#B34237 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.75

#B34237 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #B34237

5.60:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##B34237	#FFFFFF	#000000	##FFFFFF
##B34237	1.00	5.60	3.75	5.60
#FFFFFF	5.60	1.00	21.00	1.00
#000000	3.75	21.00	1.00	21.00
##FFFFFF	5.60	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#605835

Deuteranopia (green-blind)

#7D7134

Tritanopia (blue-blind)

#C42840

Achromatopsia (no color)

#686868

Design tokens & code

CSS

--color: #b34237;
/* rgb */ color: rgb(179, 66, 55);
/* oklch */ color: oklch(53.4% 0.149 28.6);

Tailwind

colors: {
  custom: {
    50: '#d17b6e',
    500: '#b34237',
    950: '#000000',
  },
}

SCSS

$custom: #b34237;
$custom-light: #d17b6e;
$custom-dark: #000000;

JSON

{
  "hex": "#b34237",
  "rgb": {
    "r": 179,
    "g": 66,
    "b": 55
  },
  "hsl": {
    "h": 5.323,
    "s": 52.991,
    "l": 45.882
  },
  "oklch": {
    "l": 0.53355,
    "c": 0.14931,
    "h": 28.6
  },
  "luminance": 0.13756
}

Semantic roles & 50–950 ramp

primary

#B34237

secondary

#81BFC5

accent

#D0DC4B

background

#FDF7F6

surface

#FBEEEC

border

#D4C9C7

text

#150A07

muted

#837C7A

Preview Lab

Preview with #B34237

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

Preview Lab → · Contrast checker → · Palette generator →