#B63338#B63338

#B63338 is a mid, vivid red. Relative luminance 0.126; OKLCH L 52.2% C 0.167 H 23.2°. Best body text is #FFFFFF at 5.97:1 contrast (WCAG AA passes).

Color values

HEX	#B63338
RGB	rgb(182, 51, 56)
HSL	hsl(358, 56%, 46%)
HSV	hsv(358, 72%, 71%)
CMYK	cmyk(0%, 72%, 69.2%, 28.6%)
CIE-LAB	lab(42.16, 52.51, 28.38)
CIE-LCH	lch(42.16, 59.69, 28.39°)
OKLab	oklab(52.16% 0.1538 0.0659)
OKLCH	oklch(52.16% 0.167 23.2)
XYZ	xyz(21.1914, 12.6014, 5.0571)
Luminance	0.1260 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#B63338 #33B6B1

analogous

#B63379 #B63338 #B66F33

triadic

#B63338 #38B633 #3338B6

tetradic

#B63338 #79B633 #33B6B1 #6F33B6

square

#B63338 #79B633 #33B6B1 #6F33B6

split-complementary

#B63338 #33B66F #3379B6

monochromatic

#56181B #862629 #B63338 #D0565B #DD868A

Accessibility & contrast

On white

5.97

#B63338 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.52

#B63338 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #B63338

5.97:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##B63338	#FFFFFF	#000000	##FFFFFF
##B63338	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)

#585237

Deuteranopia (green-blind)

#796E34

Tritanopia (blue-blind)

#C80036

Achromatopsia (no color)

#636363

Design tokens & code

CSS

--color: #b63338;
/* rgb */ color: rgb(182, 51, 56);
/* oklch */ color: oklch(52.2% 0.167 23.2);

Tailwind

colors: {
  custom: {
    50: '#d4746e',
    500: '#b63338',
    950: '#000000',
  },
}

SCSS

$custom: #b63338;
$custom-light: #d4746e;
$custom-dark: #000000;

JSON

{
  "hex": "#b63338",
  "rgb": {
    "r": 182,
    "g": 51,
    "b": 56
  },
  "hsl": {
    "h": 357.71,
    "s": 56.223,
    "l": 45.686
  },
  "oklch": {
    "l": 0.52165,
    "c": 0.16736,
    "h": 23.2
  },
  "luminance": 0.12598
}

Semantic roles & 50–950 ramp

primary

#B63338

secondary

#7EC7C4

accent

#E0DA48

background

#FEF7F6

surface

#FCEDEC

border

#D5C8C7

text

#160907

muted

#847B7A

Preview Lab

Preview with #B63338

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

Preview Lab → · Contrast checker → · Palette generator →