#B54040#B54040

#B54040 is a mid, vivid red. Relative luminance 0.139; OKLCH L 53.6% C 0.152 H 23.8°. Best body text is #FFFFFF at 5.57:1 contrast (WCAG AA passes).

Color values

HEX	#B54040
RGB	rgb(181, 64, 64)
HSL	hsl(0, 48%, 48%)
HSV	hsv(0, 65%, 71%)
CMYK	cmyk(0%, 64.6%, 64.6%, 29%)
CIE-LAB	lab(44.04, 47.36, 25.84)
CIE-LCH	lch(44.04, 53.95, 28.62°)
OKLab	oklab(53.58% 0.1393 0.0614)
OKLCH	oklch(53.58% 0.152 23.8)
XYZ	xyz(21.8170, 13.8637, 6.3766)
Luminance	0.1386 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#B54040 #40B5B5

analogous

#B5407A #B54040 #B57A40

triadic

#B54040 #40B540 #4040B5

tetradic

#B54040 #7AB540 #40B5B5 #7A40B5

square

#B54040 #7AB540 #40B5B5 #7A40B5

split-complementary

#B54040 #40B57A #407AB5

monochromatic

#5B2020 #883030 #B54040 #CA6868 #DA9696

Accessibility & contrast

On white

5.57

#B54040 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.77

#B54040 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #B54040

5.57:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##B54040	#FFFFFF	#000000	##FFFFFF
##B54040	1.00	5.57	3.77	5.57
#FFFFFF	5.57	1.00	21.00	1.00
#000000	3.77	21.00	1.00	21.00
##FFFFFF	5.57	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#5F583F

Deuteranopia (green-blind)

#7C713D

Tritanopia (blue-blind)

#C62641

Achromatopsia (no color)

#686868

Design tokens & code

CSS

--color: #b54040;
/* rgb */ color: rgb(181, 64, 64);
/* oklch */ color: oklch(53.6% 0.152 23.8);

Tailwind

colors: {
  custom: {
    50: '#d27b75',
    500: '#b54040',
    950: '#000000',
  },
}

SCSS

$custom: #b54040;
$custom-light: #d27b75;
$custom-dark: #000000;

JSON

{
  "hex": "#b54040",
  "rgb": {
    "r": 181,
    "g": 64,
    "b": 64
  },
  "hsl": {
    "h": 0,
    "s": 47.755,
    "l": 48.039
  },
  "oklch": {
    "l": 0.53579,
    "c": 0.15221,
    "h": 23.8
  },
  "luminance": 0.13861
}

Semantic roles & 50–950 ramp

primary

#B54040

secondary

#8BC5C5

accent

#D7D750

background

#FDF7F7

surface

#FBEEED

border

#D4C9C8

text

#150A08

muted

#837C7B

Preview Lab

Preview with #B54040

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

Preview Lab → · Contrast checker → · Palette generator →