#B53630#B53630

#B53630 is a mid, vivid red. Relative luminance 0.127; OKLCH L 52.2% C 0.165 H 27.2°. Best body text is #FFFFFF at 5.94:1 contrast (WCAG AA passes).

Color values

HEX	#B53630
RGB	rgb(181, 54, 48)
HSL	hsl(3, 58%, 45%)
HSV	hsv(3, 73%, 71%)
CMYK	cmyk(0%, 70.2%, 73.5%, 29%)
CIE-LAB	lab(42.27, 50.66, 33.21)
CIE-LCH	lch(42.27, 60.58, 33.25°)
OKLab	oklab(52.18% 0.1464 0.0751)
OKLCH	oklch(52.18% 0.165 27.2)
XYZ	xyz(20.9111, 12.6786, 4.1419)
Luminance	0.1268 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#B53630 #30AFB5

analogous

#B5306C #B53630 #B57930

triadic

#B53630 #30B536 #3630B5

tetradic

#B53630 #6CB530 #30AFB5 #7930B5

square

#B53630 #6CB530 #30AFB5 #7930B5

split-complementary

#B53630 #30B579 #306CB5

monochromatic

#541916 #852823 #B53630 #D15751 #DE8682

Accessibility & contrast

On white

5.94

#B53630 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.54

#B53630 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #B53630

5.94:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##B53630	#FFFFFF	#000000	##FFFFFF
##B53630	1.00	5.94	3.54	5.94
#FFFFFF	5.94	1.00	21.00	1.00
#000000	3.54	21.00	1.00	21.00
##FFFFFF	5.94	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#5A522E

Deuteranopia (green-blind)

#7A6E2C

Tritanopia (blue-blind)

#C70836

Achromatopsia (no color)

#646464

Design tokens & code

CSS

--color: #b53630;
/* rgb */ color: rgb(181, 54, 48);
/* oklch */ color: oklch(52.2% 0.165 27.2);

Tailwind

colors: {
  custom: {
    50: '#d37569',
    500: '#b53630',
    950: '#000000',
  },
}

SCSS

$custom: #b53630;
$custom-light: #d37569;
$custom-dark: #000000;

JSON

{
  "hex": "#b53630",
  "rgb": {
    "r": 181,
    "g": 54,
    "b": 48
  },
  "hsl": {
    "h": 2.707,
    "s": 58.079,
    "l": 44.902
  },
  "oklch": {
    "l": 0.52184,
    "c": 0.16453,
    "h": 27.2
  },
  "luminance": 0.12675
}

Semantic roles & 50–950 ramp

primary

#B53630

secondary

#7AC3C7

accent

#DAE146

background

#FEF7F6

surface

#FCEDEB

border

#D5C8C6

text

#160906

muted

#847B7A

Preview Lab

Preview with #B53630

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

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