#B63238#B63238

#B63238 is a mid, vivid red. Relative luminance 0.125; OKLCH L 52.1% C 0.168 H 22.9°. Best body text is #FFFFFF at 6.00:1 contrast (WCAG AA passes).

Color values

HEX	#B63238
RGB	rgb(182, 50, 56)
HSL	hsl(357, 57%, 45%)
HSV	hsv(357, 73%, 71%)
CMYK	cmyk(0%, 72.5%, 69.2%, 28.6%)
CIE-LAB	lab(42.02, 52.88, 28.22)
CIE-LCH	lch(42.02, 59.94, 28.08°)
OKLab	oklab(52.07% 0.155 0.0656)
OKLCH	oklch(52.07% 0.168 22.9)
XYZ	xyz(21.1481, 12.5150, 5.0427)
Luminance	0.1251 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#B63238 #32B6B0

analogous

#B6327A #B63238 #B66E32

triadic

#B63238 #38B632 #3238B6

tetradic

#B63238 #7AB632 #32B6B0 #6E32B6

square

#B63238 #7AB632 #32B6B0 #6E32B6

split-complementary

#B63238 #32B66E #327AB6

monochromatic

#56181A #862529 #B63238 #D0555B #DD8589

Accessibility & contrast

On white

6.00

#B63238 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.50

#B63238 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #B63238

6.00:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##B63238	#FFFFFF	#000000	##FFFFFF
##B63238	1.00	6.00	3.50	6.00
#FFFFFF	6.00	1.00	21.00	1.00
#000000	3.50	21.00	1.00	21.00
##FFFFFF	6.00	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#585137

Deuteranopia (green-blind)

#796D34

Tritanopia (blue-blind)

#C80036

Achromatopsia (no color)

#636363

Design tokens & code

CSS

--color: #b63238;
/* rgb */ color: rgb(182, 50, 56);
/* oklch */ color: oklch(52.1% 0.168 22.9);

Tailwind

colors: {
  custom: {
    50: '#d4746e',
    500: '#b63238',
    950: '#000000',
  },
}

SCSS

$custom: #b63238;
$custom-light: #d4746e;
$custom-dark: #000000;

JSON

{
  "hex": "#b63238",
  "rgb": {
    "r": 182,
    "g": 50,
    "b": 56
  },
  "hsl": {
    "h": 357.273,
    "s": 56.897,
    "l": 45.49
  },
  "oklch": {
    "l": 0.52066,
    "c": 0.1683,
    "h": 22.9
  },
  "luminance": 0.12512
}

Semantic roles & 50–950 ramp

primary

#B63238

secondary

#7DC7C4

accent

#E0D948

background

#FEF7F6

surface

#FCEDEC

border

#D5C8C7

text

#160907

muted

#847B7A

Preview Lab

Preview with #B63238

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

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