#B54043#B54043

#B54043 is a mid, vivid red. Relative luminance 0.139; OKLCH L 53.6% C 0.152 H 22.4°. Best body text is #FFFFFF at 5.56:1 contrast (WCAG AA passes).

Color values

HEX	#B54043
RGB	rgb(181, 64, 67)
HSL	hsl(358, 48%, 48%)
HSV	hsv(358, 65%, 71%)
CMYK	cmyk(0%, 64.6%, 63%, 29%)
CIE-LAB	lab(44.09, 47.55, 24.10)
CIE-LCH	lch(44.09, 53.31, 26.88°)
OKLab	oklab(53.63% 0.1405 0.0578)
OKLCH	oklch(53.63% 0.152 22.4)
XYZ	xyz(21.9047, 13.8988, 6.8384)
Luminance	0.1390 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#B54043 #40B5B2

analogous

#B5407D #B54043 #B57840

triadic

#B54043 #43B540 #4043B5

tetradic

#B54043 #7DB540 #40B5B2 #7840B5

square

#B54043 #7DB540 #40B5B2 #7840B5

split-complementary

#B54043 #40B578 #407DB5

monochromatic

#5B2022 #883032 #B54043 #CA686B #DA9697

Accessibility & contrast

On white

5.56

#B54043 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.78

#B54043 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #B54043

5.56:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##B54043	#FFFFFF	#000000	##FFFFFF
##B54043	1.00	5.56	3.78	5.56
#FFFFFF	5.56	1.00	21.00	1.00
#000000	3.78	21.00	1.00	21.00
##FFFFFF	5.56	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#5E5942

Deuteranopia (green-blind)

#7C7140

Tritanopia (blue-blind)

#C62642

Achromatopsia (no color)

#686868

Design tokens & code

CSS

--color: #b54043;
/* rgb */ color: rgb(181, 64, 67);
/* oklch */ color: oklch(53.6% 0.152 22.4);

Tailwind

colors: {
  custom: {
    50: '#d27b77',
    500: '#b54043',
    950: '#000000',
  },
}

SCSS

$custom: #b54043;
$custom-light: #d27b77;
$custom-dark: #000000;

JSON

{
  "hex": "#b54043",
  "rgb": {
    "r": 181,
    "g": 64,
    "b": 67
  },
  "hsl": {
    "h": 358.462,
    "s": 47.755,
    "l": 48.039
  },
  "oklch": {
    "l": 0.53633,
    "c": 0.15188,
    "h": 22.4
  },
  "luminance": 0.13896
}

Semantic roles & 50–950 ramp

primary

#B54043

secondary

#8BC5C4

accent

#D7D450

background

#FDF7F7

surface

#FBEEED

border

#D4C9C8

text

#150A08

muted

#837C7B

Preview Lab

Preview with #B54043

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

Preview Lab → · Contrast checker → · Palette generator →