#B53440#B53440

#B53440 is a mid, vivid red. Relative luminance 0.127; OKLCH L 52.2% C 0.165 H 20.0°. Best body text is #FFFFFF at 5.95:1 contrast (WCAG AA passes).

Color values

HEX	#B53440
RGB	rgb(181, 52, 64)
HSL	hsl(354, 55%, 46%)
HSV	hsv(354, 71%, 71%)
CMYK	cmyk(0%, 71.3%, 64.6%, 29%)
CIE-LAB	lab(42.24, 52.27, 23.57)
CIE-LCH	lch(42.24, 57.34, 24.27°)
OKLab	oklab(52.23% 0.1548 0.0563)
OKLCH	oklch(52.23% 0.165 20)
XYZ	xyz(21.2117, 12.6530, 6.1748)
Luminance	0.1265 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#B53440 #34B5A9

analogous

#B53480 #B53440 #B56934

triadic

#B53440 #40B534 #3440B5

tetradic

#B53440 #80B534 #34B5A9 #6934B5

square

#B53440 #80B534 #34B5A9 #6934B5

split-complementary

#B53440 #34B569 #3480B5

monochromatic

#56191E #85262F #B53440 #CF5762 #DC878F

Accessibility & contrast

On white

5.95

#B53440 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.53

#B53440 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #B53440

5.95:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##B53440	#FFFFFF	#000000	##FFFFFF
##B53440	1.00	5.95	3.53	5.95
#FFFFFF	5.95	1.00	21.00	1.00
#000000	3.53	21.00	1.00	21.00
##FFFFFF	5.95	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#575240

Deuteranopia (green-blind)

#786E3C

Tritanopia (blue-blind)

#C70B39

Achromatopsia (no color)

#646464

Design tokens & code

CSS

--color: #b53440;
/* rgb */ color: rgb(181, 52, 64);
/* oklch */ color: oklch(52.2% 0.165 20.0);

Tailwind

colors: {
  custom: {
    50: '#d27574',
    500: '#b53440',
    950: '#000000',
  },
}

SCSS

$custom: #b53440;
$custom-light: #d27574;
$custom-dark: #000000;

JSON

{
  "hex": "#b53440",
  "rgb": {
    "r": 181,
    "g": 52,
    "b": 64
  },
  "hsl": {
    "h": 354.419,
    "s": 55.365,
    "l": 45.686
  },
  "oklch": {
    "l": 0.52232,
    "c": 0.16475,
    "h": 20
  },
  "luminance": 0.1265
}

Semantic roles & 50–950 ramp

primary

#B53440

secondary

#7FC6C0

accent

#DFD149

background

#FDF7F7

surface

#FBEDED

border

#D4C8C8

text

#150908

muted

#837B7B

Preview Lab

Preview with #B53440

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

Preview Lab → · Contrast checker → · Palette generator →