#B54D37#B54D37

#B54D37 is a mid, vivid red. Relative luminance 0.154; OKLCH L 55.2% C 0.140 H 33.5°. Best body text is #FFFFFF at 5.15:1 contrast (WCAG AA passes).

Color values

HEX	#B54D37
RGB	rgb(181, 77, 55)
HSL	hsl(10, 53%, 46%)
HSV	hsv(10, 70%, 71%)
CMYK	cmyk(0%, 57.5%, 69.6%, 29%)
CIE-LAB	lab(46.19, 40.79, 33.71)
CIE-LCH	lch(46.19, 52.91, 39.57°)
OKLab	oklab(55.16% 0.117 0.0775)
OKLCH	oklch(55.16% 0.14 33.5)
XYZ	xyz(22.4017, 15.4103, 5.4085)
Luminance	0.1541 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#B54D37 #379FB5

analogous

#B53760 #B54D37 #B58C37

triadic

#B54D37 #37B54D #4D37B5

tetradic

#B54D37 #60B537 #379FB5 #8C37B5

square

#B54D37 #60B537 #379FB5 #8C37B5

split-complementary

#B54D37 #37B58C #3760B5

monochromatic

#57251A #863929 #B54D37 #CD705C #DC998B

Accessibility & contrast

On white

5.15

#B54D37 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.08

#B54D37 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #B54D37

5.15:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##B54D37	#FFFFFF	#000000	##FFFFFF
##B54D37	1.00	5.15	4.08	5.15
#FFFFFF	5.15	1.00	21.00	1.00
#000000	4.08	21.00	1.00	21.00
##FFFFFF	5.15	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#695F34

Deuteranopia (green-blind)

#827634

Tritanopia (blue-blind)

#C63748

Achromatopsia (no color)

#6D6D6D

Design tokens & code

CSS

--color: #b54d37;
/* rgb */ color: rgb(181, 77, 55);
/* oklch */ color: oklch(55.2% 0.140 33.5);

Tailwind

colors: {
  custom: {
    50: '#d2826e',
    500: '#b54d37',
    950: '#000000',
  },
}

SCSS

$custom: #b54d37;
$custom-light: #d2826e;
$custom-dark: #000000;

JSON

{
  "hex": "#b54d37",
  "rgb": {
    "r": 181,
    "g": 77,
    "b": 55
  },
  "hsl": {
    "h": 10.476,
    "s": 53.39,
    "l": 46.275
  },
  "oklch": {
    "l": 0.5516,
    "c": 0.14031,
    "h": 33.5
  },
  "luminance": 0.15407
}

Semantic roles & 50–950 ramp

primary

#B54D37

secondary

#82BAC6

accent

#C3DD4B

background

#FDF8F6

surface

#FBEFEC

border

#D4CAC7

text

#150B07

muted

#837C7A

Preview Lab

Preview with #B54D37

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

Preview Lab → · Contrast checker → · Palette generator →