#B63036#B63036

#B63036 is a mid, vivid red. Relative luminance 0.123; OKLCH L 51.8% C 0.170 H 23.2°. Best body text is #FFFFFF at 6.06:1 contrast (WCAG AA passes).

Color values

HEX	#B63036
RGB	rgb(182, 48, 54)
HSL	hsl(357, 58%, 45%)
HSV	hsv(357, 74%, 71%)
CMYK	cmyk(0%, 73.6%, 70.3%, 28.6%)
CIE-LAB	lab(41.73, 53.50, 29.07)
CIE-LCH	lch(41.73, 60.89, 28.52°)
OKLab	oklab(51.84% 0.1565 0.0671)
OKLCH	oklch(51.84% 0.17 23.2)
XYZ	xyz(21.0165, 12.3285, 4.7623)
Luminance	0.1232 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#B63036 #30B6B0

analogous

#B63079 #B63036 #B66D30

triadic

#B63036 #36B630 #3036B6

tetradic

#B63036 #79B630 #30B6B0 #6D30B6

square

#B63036 #79B630 #30B6B0 #6D30B6

split-complementary

#B63036 #30B66D #3079B6

monochromatic

#551619 #862328 #B63036 #D15258 #DE8286

Accessibility & contrast

On white

6.06

#B63036 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.47

#B63036 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #B63036

6.06:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##B63036	#FFFFFF	#000000	##FFFFFF
##B63036	1.00	6.06	3.47	6.06
#FFFFFF	6.06	1.00	21.00	1.00
#000000	3.47	21.00	1.00	21.00
##FFFFFF	6.06	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#575035

Deuteranopia (green-blind)

#786D32

Tritanopia (blue-blind)

#C80034

Achromatopsia (no color)

#626262

Design tokens & code

CSS

--color: #b63036;
/* rgb */ color: rgb(182, 48, 54);
/* oklch */ color: oklch(51.8% 0.170 23.2);

Tailwind

colors: {
  custom: {
    50: '#d4736d',
    500: '#b63036',
    950: '#000000',
  },
}

SCSS

$custom: #b63036;
$custom-light: #d4736d;
$custom-dark: #000000;

JSON

{
  "hex": "#b63036",
  "rgb": {
    "r": 182,
    "g": 48,
    "b": 54
  },
  "hsl": {
    "h": 357.313,
    "s": 58.261,
    "l": 45.098
  },
  "oklch": {
    "l": 0.51841,
    "c": 0.17033,
    "h": 23.2
  },
  "luminance": 0.12325
}

Semantic roles & 50–950 ramp

primary

#B63036

secondary

#7BC7C4

accent

#E1DB46

background

#FEF7F6

surface

#FCEDEB

border

#D5C8C6

text

#160907

muted

#847B7A

Preview Lab

Preview with #B63036

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

Preview Lab → · Contrast checker → · Palette generator →