#B63328#B63328

#B63328 is a mid, vivid red. Relative luminance 0.125; OKLCH L 51.9% C 0.170 H 29.0°. Best body text is #FFFFFF at 6.01:1 contrast (WCAG AA passes).

Color values

HEX	#B63328
RGB	rgb(182, 51, 40)
HSL	hsl(5, 64%, 44%)
HSV	hsv(5, 78%, 71%)
CMYK	cmyk(0%, 72%, 78%, 28.6%)
CIE-LAB	lab(41.95, 51.81, 37.46)
CIE-LCH	lch(41.95, 63.93, 35.87°)
OKLab	oklab(51.95% 0.1482 0.0822)
OKLCH	oklch(51.95% 0.17 29)
XYZ	xyz(20.8607, 12.4691, 3.3154)
Luminance	0.1247 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#B63328 #28ABB6

analogous

#B62864 #B63328 #B67A28

triadic

#B63328 #28B633 #3328B6

tetradic

#B63328 #64B628 #28ABB6 #7A28B6

square

#B63328 #64B628 #28ABB6 #7A28B6

split-complementary

#B63328 #28B67A #2864B6

monochromatic

#521712 #84251D #B63328 #D65045 #E17F77

Accessibility & contrast

On white

6.01

#B63328 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.49

#B63328 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #B63328

6.01:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##B63328	#FFFFFF	#000000	##FFFFFF
##B63328	1.00	6.01	3.49	6.01
#FFFFFF	6.01	1.00	21.00	1.00
#000000	3.49	21.00	1.00	21.00
##FFFFFF	6.01	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#5A5125

Deuteranopia (green-blind)

#7A6D23

Tritanopia (blue-blind)

#C90032

Achromatopsia (no color)

#636363

Design tokens & code

CSS

--color: #b63328;
/* rgb */ color: rgb(182, 51, 40);
/* oklch */ color: oklch(51.9% 0.170 29.0);

Tailwind

colors: {
  custom: {
    50: '#d57463',
    500: '#b63328',
    950: '#000000',
  },
}

SCSS

$custom: #b63328;
$custom-light: #d57463;
$custom-dark: #000000;

JSON

{
  "hex": "#b63328",
  "rgb": {
    "r": 182,
    "g": 51,
    "b": 40
  },
  "hsl": {
    "h": 4.648,
    "s": 63.964,
    "l": 43.529
  },
  "oklch": {
    "l": 0.51948,
    "c": 0.16951,
    "h": 29
  },
  "luminance": 0.12466
}

Semantic roles & 50–950 ramp

primary

#B63328

secondary

#71C2C9

accent

#DAE741

background

#FEF7F5

surface

#FCEDEA

border

#D5C8C6

text

#160905

muted

#847B79

Preview Lab

Preview with #B63328

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

Preview Lab → · Contrast checker → · Palette generator →