#B63C28#B63C28

#B63C28 is a mid, vivid red. Relative luminance 0.133; OKLCH L 52.9% C 0.161 H 31.9°. Best body text is #FFFFFF at 5.73:1 contrast (WCAG AA passes).

Color values

HEX	#B63C28
RGB	rgb(182, 60, 40)
HSL	hsl(8, 64%, 44%)
HSV	hsv(8, 78%, 71%)
CMYK	cmyk(0%, 67%, 78%, 28.6%)
CIE-LAB	lab(43.26, 48.23, 38.83)
CIE-LCH	lch(43.26, 61.92, 38.83°)
OKLab	oklab(52.93% 0.1371 0.0852)
OKLCH	oklch(52.93% 0.161 31.9)
XYZ	xyz(21.2927, 13.3331, 3.4594)
Luminance	0.1333 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#B63C28 #28A2B6

analogous

#B6285B #B63C28 #B68328

triadic

#B63C28 #28B63C #3C28B6

tetradic

#B63C28 #5BB628 #28A2B6 #8328B6

square

#B63C28 #5BB628 #28A2B6 #8328B6

split-complementary

#B63C28 #28B683 #285BB6

monochromatic

#521B12 #842B1D #B63C28 #D65945 #E18677

Accessibility & contrast

On white

5.73

#B63C28 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.67

#B63C28 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #B63C28

5.73:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##B63C28	#FFFFFF	#000000	##FFFFFF
##B63C28	1.00	5.73	3.67	5.73
#FFFFFF	5.73	1.00	21.00	1.00
#000000	3.67	21.00	1.00	21.00
##FFFFFF	5.73	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#5F5525

Deuteranopia (green-blind)

#7D7023

Tritanopia (blue-blind)

#C81738

Achromatopsia (no color)

#666666

Design tokens & code

CSS

--color: #b63c28;
/* rgb */ color: rgb(182, 60, 40);
/* oklch */ color: oklch(52.9% 0.161 31.9);

Tailwind

colors: {
  custom: {
    50: '#d47863',
    500: '#b63c28',
    950: '#000000',
  },
}

SCSS

$custom: #b63c28;
$custom-light: #d47863;
$custom-dark: #000000;

JSON

{
  "hex": "#b63c28",
  "rgb": {
    "r": 182,
    "g": 60,
    "b": 40
  },
  "hsl": {
    "h": 8.451,
    "s": 63.964,
    "l": 43.529
  },
  "oklch": {
    "l": 0.52928,
    "c": 0.16139,
    "h": 31.9
  },
  "luminance": 0.1333
}

Semantic roles & 50–950 ramp

primary

#B63C28

secondary

#71BCC9

accent

#D0E741

background

#FEF7F6

surface

#FCEEEB

border

#D5C9C6

text

#160905

muted

#847B7A

Preview Lab

Preview with #B63C28

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

Preview Lab → · Contrast checker → · Palette generator →