#B54540#B54540

#B54540 is a mid, vivid red. Relative luminance 0.144; OKLCH L 54.2% C 0.147 H 25.7°. Best body text is #FFFFFF at 5.40:1 contrast (WCAG AA passes).

Color values

HEX	#B54540
RGB	rgb(181, 69, 64)
HSL	hsl(3, 48%, 48%)
HSV	hsv(3, 65%, 71%)
CMYK	cmyk(0%, 61.9%, 64.6%, 29%)
CIE-LAB	lab(44.88, 45.12, 26.89)
CIE-LCH	lch(44.88, 52.53, 30.80°)
OKLab	oklab(54.21% 0.1322 0.0638)
OKLCH	oklch(54.21% 0.147 25.7)
XYZ	xyz(22.1117, 14.4531, 6.4749)
Luminance	0.1445 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#B54540 #40B0B5

analogous

#B54075 #B54540 #B57F40

triadic

#B54540 #40B545 #4540B5

tetradic

#B54540 #75B540 #40B0B5 #7F40B5

square

#B54540 #75B540 #40B0B5 #7F40B5

split-complementary

#B54540 #40B57F #4075B5

monochromatic

#5B2320 #883430 #B54540 #CA6D68 #DA9996

Accessibility & contrast

On white

5.40

#B54540 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.89

#B54540 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #B54540

5.40:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##B54540	#FFFFFF	#000000	##FFFFFF
##B54540	1.00	5.40	3.89	5.40
#FFFFFF	5.40	1.00	21.00	1.00
#000000	3.89	21.00	1.00	21.00
##FFFFFF	5.40	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#625B3F

Deuteranopia (green-blind)

#7E733D

Tritanopia (blue-blind)

#C62D45

Achromatopsia (no color)

#6A6A6A

Design tokens & code

CSS

--color: #b54540;
/* rgb */ color: rgb(181, 69, 64);
/* oklch */ color: oklch(54.2% 0.147 25.7);

Tailwind

colors: {
  custom: {
    50: '#d27e75',
    500: '#b54540',
    950: '#000000',
  },
}

SCSS

$custom: #b54540;
$custom-light: #d27e75;
$custom-dark: #000000;

JSON

{
  "hex": "#b54540",
  "rgb": {
    "r": 181,
    "g": 69,
    "b": 64
  },
  "hsl": {
    "h": 2.564,
    "s": 47.755,
    "l": 48.039
  },
  "oklch": {
    "l": 0.54209,
    "c": 0.14678,
    "h": 25.7
  },
  "luminance": 0.1445
}

Semantic roles & 50–950 ramp

primary

#B54540

secondary

#8BC3C5

accent

#D2D750

background

#FDF7F7

surface

#FBEEED

border

#D4C9C8

text

#150A08

muted

#837C7B

Preview Lab

Preview with #B54540

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

Preview Lab → · Contrast checker → · Palette generator →