#B63D28#B63D28

#B63D28 is a mid, vivid red. Relative luminance 0.134; OKLCH L 53.0% C 0.160 H 32.2°. Best body text is #FFFFFF at 5.70:1 contrast (WCAG AA passes).

Color values

HEX	#B63D28
RGB	rgb(182, 61, 40)
HSL	hsl(9, 64%, 44%)
HSV	hsv(9, 78%, 71%)
CMYK	cmyk(0%, 66.5%, 78%, 28.6%)
CIE-LAB	lab(43.42, 47.81, 38.99)
CIE-LCH	lch(43.42, 61.69, 39.20°)
OKLab	oklab(53.05% 0.1357 0.0856)
OKLCH	oklch(53.05% 0.16 32.2)
XYZ	xyz(21.3455, 13.4389, 3.4771)
Luminance	0.1344 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#B63D28 #28A1B6

analogous

#B6285A #B63D28 #B68428

triadic

#B63D28 #28B63D #3D28B6

tetradic

#B63D28 #5AB628 #28A1B6 #8428B6

square

#B63D28 #5AB628 #28A1B6 #8428B6

split-complementary

#B63D28 #28B684 #285AB6

monochromatic

#521B12 #842C1D #B63D28 #D65B45 #E18777

Accessibility & contrast

On white

5.70

#B63D28 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.69

#B63D28 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #B63D28

5.70:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##B63D28	#FFFFFF	#000000	##FFFFFF
##B63D28	1.00	5.70	3.69	5.70
#FFFFFF	5.70	1.00	21.00	1.00
#000000	3.69	21.00	1.00	21.00
##FFFFFF	5.70	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#605625

Deuteranopia (green-blind)

#7E7023

Tritanopia (blue-blind)

#C81939

Achromatopsia (no color)

#676767

Design tokens & code

CSS

--color: #b63d28;
/* rgb */ color: rgb(182, 61, 40);
/* oklch */ color: oklch(53.0% 0.160 32.2);

Tailwind

colors: {
  custom: {
    50: '#d47963',
    500: '#b63d28',
    950: '#000000',
  },
}

SCSS

$custom: #b63d28;
$custom-light: #d47963;
$custom-dark: #000000;

JSON

{
  "hex": "#b63d28",
  "rgb": {
    "r": 182,
    "g": 61,
    "b": 40
  },
  "hsl": {
    "h": 8.873,
    "s": 63.964,
    "l": 43.529
  },
  "oklch": {
    "l": 0.53046,
    "c": 0.16046,
    "h": 32.2
  },
  "luminance": 0.13436
}

Semantic roles & 50–950 ramp

primary

#B63D28

secondary

#71BCC9

accent

#CEE741

background

#FEF7F6

surface

#FCEEEB

border

#D5C9C6

text

#160905

muted

#847B7A

Preview Lab

Preview with #B63D28

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

Preview Lab → · Contrast checker → · Palette generator →