#B54539#B54539

#B54539 is a mid, vivid red. Relative luminance 0.144; OKLCH L 54.1% C 0.148 H 29.0°. Best body text is #FFFFFF at 5.42:1 contrast (WCAG AA passes).

Color values

HEX	#B54539
RGB	rgb(181, 69, 57)
HSL	hsl(6, 52%, 47%)
HSV	hsv(6, 69%, 71%)
CMYK	cmyk(0%, 61.9%, 68.5%, 29%)
CIE-LAB	lab(44.77, 44.70, 30.89)
CIE-LCH	lch(44.77, 54.33, 34.64°)
OKLab	oklab(54.1% 0.1295 0.0717)
OKLCH	oklch(54.1% 0.148 29)
XYZ	xyz(21.9249, 14.3784, 5.4909)
Luminance	0.1437 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#B54539 #39A9B5

analogous

#B5396B #B54539 #B58339

triadic

#B54539 #39B545 #4539B5

tetradic

#B54539 #6BB539 #39A9B5 #8339B5

square

#B54539 #6BB539 #39A9B5 #8339B5

split-complementary

#B54539 #39B583 #396BB5

monochromatic

#58221C #86332A #B54539 #CD695F #DB958D

Accessibility & contrast

On white

5.42

#B54539 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.87

#B54539 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #B54539

5.42:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##B54539	#FFFFFF	#000000	##FFFFFF
##B54539	1.00	5.42	3.87	5.42
#FFFFFF	5.42	1.00	21.00	1.00
#000000	3.87	21.00	1.00	21.00
##FFFFFF	5.42	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#635B37

Deuteranopia (green-blind)

#7F7336

Tritanopia (blue-blind)

#C72C43

Achromatopsia (no color)

#6A6A6A

Design tokens & code

CSS

--color: #b54539;
/* rgb */ color: rgb(181, 69, 57);
/* oklch */ color: oklch(54.1% 0.148 29.0);

Tailwind

colors: {
  custom: {
    50: '#d27d70',
    500: '#b54539',
    950: '#000000',
  },
}

SCSS

$custom: #b54539;
$custom-light: #d27d70;
$custom-dark: #000000;

JSON

{
  "hex": "#b54539",
  "rgb": {
    "r": 181,
    "g": 69,
    "b": 57
  },
  "hsl": {
    "h": 5.806,
    "s": 52.101,
    "l": 46.667
  },
  "oklch": {
    "l": 0.54096,
    "c": 0.14804,
    "h": 29
  },
  "luminance": 0.14375
}

Semantic roles & 50–950 ramp

primary

#B54539

secondary

#84BFC6

accent

#CEDC4C

background

#FDF7F6

surface

#FBEEEC

border

#D4C9C7

text

#150A07

muted

#837C7A

Preview Lab

Preview with #B54539

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

Preview Lab → · Contrast checker → · Palette generator →