#B53742#B53742

#B53742 is a mid, vivid red. Relative luminance 0.129; OKLCH L 52.6% C 0.162 H 19.9°. Best body text is #FFFFFF at 5.85:1 contrast (WCAG AA passes).

Color values

HEX	#B53742
RGB	rgb(181, 55, 66)
HSL	hsl(355, 53%, 46%)
HSV	hsv(355, 70%, 71%)
CMYK	cmyk(0%, 69.6%, 63.5%, 29%)
CIE-LAB	lab(42.69, 51.23, 22.92)
CIE-LCH	lch(42.69, 56.13, 24.10°)
OKLab	oklab(52.58% 0.152 0.055)
OKLCH	oklch(52.58% 0.162 19.9)
XYZ	xyz(21.4078, 12.9525, 6.5260)
Luminance	0.1295 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#B53742 #37B5AA

analogous

#B53781 #B53742 #B56B37

triadic

#B53742 #42B537 #3742B5

tetradic

#B53742 #81B537 #37B5AA #6B37B5

square

#B53742 #81B537 #37B5AA #6B37B5

split-complementary

#B53742 #37B56B #3781B5

monochromatic

#571A20 #862931 #B53742 #CD5C66 #DC8B92

Accessibility & contrast

On white

5.85

#B53742 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.59

#B53742 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #B53742

5.85:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##B53742	#FFFFFF	#000000	##FFFFFF
##B53742	1.00	5.85	3.59	5.85
#FFFFFF	5.85	1.00	21.00	1.00
#000000	3.59	21.00	1.00	21.00
##FFFFFF	5.85	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#595442

Deuteranopia (green-blind)

#796F3F

Tritanopia (blue-blind)

#C6153C

Achromatopsia (no color)

#656565

Design tokens & code

CSS

--color: #b53742;
/* rgb */ color: rgb(181, 55, 66);
/* oklch */ color: oklch(52.6% 0.162 19.9);

Tailwind

colors: {
  custom: {
    50: '#d27676',
    500: '#b53742',
    950: '#000000',
  },
}

SCSS

$custom: #b53742;
$custom-light: #d27676;
$custom-dark: #000000;

JSON

{
  "hex": "#b53742",
  "rgb": {
    "r": 181,
    "g": 55,
    "b": 66
  },
  "hsl": {
    "h": 354.762,
    "s": 53.39,
    "l": 46.275
  },
  "oklch": {
    "l": 0.52584,
    "c": 0.1616,
    "h": 19.9
  },
  "luminance": 0.12949
}

Semantic roles & 50–950 ramp

primary

#B53742

secondary

#82C6C0

accent

#DDD04B

background

#FDF7F7

surface

#FBEDED

border

#D4C8C8

text

#150908

muted

#837B7B

Preview Lab

Preview with #B53742

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

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