#B63228#B63228

#B63228 is a mid, vivid red. Relative luminance 0.124; OKLCH L 51.8% C 0.170 H 28.7°. Best body text is #FFFFFF at 6.04:1 contrast (WCAG AA passes).

Color values

HEX	#B63228
RGB	rgb(182, 50, 40)
HSL	hsl(4, 64%, 44%)
HSV	hsv(4, 78%, 71%)
CMYK	cmyk(0%, 72.5%, 78%, 28.6%)
CIE-LAB	lab(41.82, 52.18, 37.32)
CIE-LCH	lch(41.82, 64.15, 35.58°)
OKLab	oklab(51.85% 0.1494 0.0819)
OKLCH	oklch(51.85% 0.17 28.7)
XYZ	xyz(20.8174, 12.3827, 3.3010)
Luminance	0.1238 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#B63228 #28ACB6

analogous

#B62865 #B63228 #B67928

triadic

#B63228 #28B632 #3228B6

tetradic

#B63228 #65B628 #28ACB6 #7928B6

square

#B63228 #65B628 #28ACB6 #7928B6

split-complementary

#B63228 #28B679 #2865B6

monochromatic

#521612 #84241D #B63228 #D64F45 #E17F77

Accessibility & contrast

On white

6.04

#B63228 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.48

#B63228 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #B63228

6.04:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##B63228	#FFFFFF	#000000	##FFFFFF
##B63228	1.00	6.04	3.48	6.04
#FFFFFF	6.04	1.00	21.00	1.00
#000000	3.48	21.00	1.00	21.00
##FFFFFF	6.04	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#595026

Deuteranopia (green-blind)

#7A6D23

Tritanopia (blue-blind)

#C90031

Achromatopsia (no color)

#636363

Design tokens & code

CSS

--color: #b63228;
/* rgb */ color: rgb(182, 50, 40);
/* oklch */ color: oklch(51.8% 0.170 28.7);

Tailwind

colors: {
  custom: {
    50: '#d57363',
    500: '#b63228',
    950: '#000000',
  },
}

SCSS

$custom: #b63228;
$custom-light: #d57363;
$custom-dark: #000000;

JSON

{
  "hex": "#b63228",
  "rgb": {
    "r": 182,
    "g": 50,
    "b": 40
  },
  "hsl": {
    "h": 4.225,
    "s": 63.964,
    "l": 43.529
  },
  "oklch": {
    "l": 0.51848,
    "c": 0.17038,
    "h": 28.7
  },
  "luminance": 0.12379
}

Semantic roles & 50–950 ramp

primary

#B63228

secondary

#71C3C9

accent

#DBE741

background

#FEF7F5

surface

#FCEDEA

border

#D5C8C6

text

#160905

muted

#847B79

Preview Lab

Preview with #B63228

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

Preview Lab → · Contrast checker → · Palette generator →