#B45137#B45137

#B45137 is a mid, vivid red. Relative luminance 0.159; OKLCH L 55.6% C 0.135 H 35.8°. Best body text is #FFFFFF at 5.03:1 contrast (WCAG AA passes).

Color values

HEX	#B45137
RGB	rgb(180, 81, 55)
HSL	hsl(12, 53%, 46%)
HSV	hsv(12, 69%, 71%)
CMYK	cmyk(0%, 55%, 69.4%, 29.4%)
CIE-LAB	lab(46.80, 38.42, 34.37)
CIE-LCH	lch(46.80, 51.55, 41.82°)
OKLab	oklab(55.59% 0.1097 0.079)
OKLCH	oklch(55.59% 0.135 35.8)
XYZ	xyz(22.4565, 15.8668, 5.4937)
Luminance	0.1586 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#B45137 #379AB4

analogous

#B4375B #B45137 #B48F37

triadic

#B45137 #37B451 #5137B4

tetradic

#B45137 #5BB437 #379AB4 #8F37B4

square

#B45137 #5BB437 #379AB4 #8F37B4

split-complementary

#B45137 #37B48F #375BB4

monochromatic

#56271A #853C29 #B45137 #CD735B #DB9B8A

Accessibility & contrast

On white

5.03

#B45137 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.17

#B45137 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #B45137

5.03:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##B45137	#FFFFFF	#000000	##FFFFFF
##B45137	1.00	5.03	4.17	5.03
#FFFFFF	5.03	1.00	21.00	1.00
#000000	4.17	21.00	1.00	21.00
##FFFFFF	5.03	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#6B6134

Deuteranopia (green-blind)

#847735

Tritanopia (blue-blind)

#C53D4B

Achromatopsia (no color)

#6F6F6F

Design tokens & code

CSS

--color: #b45137;
/* rgb */ color: rgb(180, 81, 55);
/* oklch */ color: oklch(55.6% 0.135 35.8);

Tailwind

colors: {
  custom: {
    50: '#d1846f',
    500: '#b45137',
    950: '#000000',
  },
}

SCSS

$custom: #b45137;
$custom-light: #d1846f;
$custom-dark: #000000;

JSON

{
  "hex": "#b45137",
  "rgb": {
    "r": 180,
    "g": 81,
    "b": 55
  },
  "hsl": {
    "h": 12.48,
    "s": 53.191,
    "l": 46.078
  },
  "oklch": {
    "l": 0.5559,
    "c": 0.1352,
    "h": 35.8
  },
  "luminance": 0.15864
}

Semantic roles & 50–950 ramp

primary

#B45137

secondary

#81B7C6

accent

#BEDD4B

background

#FDF8F6

surface

#FBEFEC

border

#D4CAC7

text

#150B07

muted

#837C7A

Preview Lab

Preview with #B45137

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

Preview Lab → · Contrast checker → · Palette generator →