#B53530#B53530

#B53530 is a mid, vivid red. Relative luminance 0.126; OKLCH L 52.1% C 0.165 H 26.9°. Best body text is #FFFFFF at 5.97:1 contrast (WCAG AA passes).

Color values

HEX	#B53530
RGB	rgb(181, 53, 48)
HSL	hsl(2, 58%, 45%)
HSV	hsv(2, 73%, 71%)
CMYK	cmyk(0%, 70.7%, 73.5%, 29%)
CIE-LAB	lab(42.13, 51.05, 33.05)
CIE-LCH	lch(42.13, 60.81, 32.92°)
OKLab	oklab(52.08% 0.1476 0.0747)
OKLCH	oklch(52.08% 0.165 26.9)
XYZ	xyz(20.8650, 12.5865, 4.1265)
Luminance	0.1258 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#B53530 #30B0B5

analogous

#B5306D #B53530 #B57830

triadic

#B53530 #30B535 #3530B5

tetradic

#B53530 #6DB530 #30B0B5 #7830B5

square

#B53530 #6DB530 #30B0B5 #7830B5

split-complementary

#B53530 #30B578 #306DB5

monochromatic

#541916 #852723 #B53530 #D15651 #DE8582

Accessibility & contrast

On white

5.97

#B53530 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.52

#B53530 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #B53530

5.97:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##B53530	#FFFFFF	#000000	##FFFFFF
##B53530	1.00	5.97	3.52	5.97
#FFFFFF	5.97	1.00	21.00	1.00
#000000	3.52	21.00	1.00	21.00
##FFFFFF	5.97	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#5A522E

Deuteranopia (green-blind)

#7A6E2C

Tritanopia (blue-blind)

#C70435

Achromatopsia (no color)

#636363

Design tokens & code

CSS

--color: #b53530;
/* rgb */ color: rgb(181, 53, 48);
/* oklch */ color: oklch(52.1% 0.165 26.9);

Tailwind

colors: {
  custom: {
    50: '#d37569',
    500: '#b53530',
    950: '#000000',
  },
}

SCSS

$custom: #b53530;
$custom-light: #d37569;
$custom-dark: #000000;

JSON

{
  "hex": "#b53530",
  "rgb": {
    "r": 181,
    "g": 53,
    "b": 48
  },
  "hsl": {
    "h": 2.256,
    "s": 58.079,
    "l": 44.902
  },
  "oklch": {
    "l": 0.52079,
    "c": 0.16546,
    "h": 26.9
  },
  "luminance": 0.12583
}

Semantic roles & 50–950 ramp

primary

#B53530

secondary

#7AC4C7

accent

#DBE146

background

#FEF7F6

surface

#FCEDEB

border

#D5C8C6

text

#160906

muted

#847B7A

Preview Lab

Preview with #B53530

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

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