#B53040#B53040

#B53040 is a mid, vivid red. Relative luminance 0.123; OKLCH L 51.8% C 0.169 H 18.9°. Best body text is #FFFFFF at 6.07:1 contrast (WCAG AA passes).

Color values

HEX	#B53040
RGB	rgb(181, 48, 64)
HSL	hsl(353, 58%, 45%)
HSV	hsv(353, 73%, 71%)
CMYK	cmyk(0%, 73.5%, 64.6%, 29%)
CIE-LAB	lab(41.71, 53.73, 22.89)
CIE-LCH	lch(41.71, 58.41, 23.07°)
OKLab	oklab(51.84% 0.1595 0.0547)
OKLCH	oklch(51.84% 0.169 18.9)
XYZ	xyz(21.0406, 12.3109, 6.1178)
Luminance	0.1231 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#B53040 #30B5A5

analogous

#B53083 #B53040 #B56330

triadic

#B53040 #40B530 #3040B5

tetradic

#B53040 #83B530 #30B5A5 #6330B5

square

#B53040 #83B530 #30B5A5 #6330B5

split-complementary

#B53040 #30B563 #3083B5

monochromatic

#54161E #85232F #B53040 #D15161 #DE828D

Accessibility & contrast

On white

6.07

#B53040 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.46

#B53040 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #B53040

6.07:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##B53040	#FFFFFF	#000000	##FFFFFF
##B53040	1.00	6.07	3.46	6.07
#FFFFFF	6.07	1.00	21.00	1.00
#000000	3.46	21.00	1.00	21.00
##FFFFFF	6.07	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#555040

Deuteranopia (green-blind)

#776D3C

Tritanopia (blue-blind)

#C70037

Achromatopsia (no color)

#626262

Design tokens & code

CSS

--color: #b53040;
/* rgb */ color: rgb(181, 48, 64);
/* oklch */ color: oklch(51.8% 0.169 18.9);

Tailwind

colors: {
  custom: {
    50: '#d37374',
    500: '#b53040',
    950: '#000000',
  },
}

SCSS

$custom: #b53040;
$custom-light: #d37374;
$custom-dark: #000000;

JSON

{
  "hex": "#b53040",
  "rgb": {
    "r": 181,
    "g": 48,
    "b": 64
  },
  "hsl": {
    "h": 352.782,
    "s": 58.079,
    "l": 44.902
  },
  "oklch": {
    "l": 0.51838,
    "c": 0.16865,
    "h": 18.9
  },
  "luminance": 0.12308
}

Semantic roles & 50–950 ramp

primary

#B53040

secondary

#7AC7BE

accent

#E1CF46

background

#FDF7F7

surface

#FBEDED

border

#D4C8C8

text

#150908

muted

#837B7B

Preview Lab

Preview with #B53040

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

Preview Lab → · Contrast checker → · Palette generator →