#B63F2D#B63F2D

#B63F2D is a mid, vivid red. Relative luminance 0.137; OKLCH L 53.3% C 0.158 H 31.3°. Best body text is #FFFFFF at 5.62:1 contrast (WCAG AA passes).

Color values

HEX	#B63F2D
RGB	rgb(182, 63, 45)
HSL	hsl(8, 60%, 45%)
HSV	hsv(8, 75%, 71%)
CMYK	cmyk(0%, 65.4%, 75.3%, 28.6%)
CIE-LAB	lab(43.79, 47.15, 36.65)
CIE-LCH	lch(43.79, 59.72, 37.86°)
OKLab	oklab(53.34% 0.1347 0.0818)
OKLCH	oklch(53.34% 0.158 31.3)
XYZ	xyz(21.5449, 13.6927, 3.9906)
Luminance	0.1369 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#B63F2D #2DA4B6

analogous

#B62D60 #B63F2D #B6832D

triadic

#B63F2D #2DB63F #3F2DB6

tetradic

#B63F2D #60B62D #2DA4B6 #832DB6

square

#B63F2D #60B62D #2DA4B6 #832DB6

split-complementary

#B63F2D #2DB683 #2D60B6

monochromatic

#541D15 #852E21 #B63F2D #D35F4D #DF8B7E

Accessibility & contrast

On white

5.62

#B63F2D on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.74

#B63F2D on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #B63F2D

5.62:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##B63F2D	#FFFFFF	#000000	##FFFFFF
##B63F2D	1.00	5.62	3.74	5.62
#FFFFFF	5.62	1.00	21.00	1.00
#000000	3.74	21.00	1.00	21.00
##FFFFFF	5.62	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#60572A

Deuteranopia (green-blind)

#7E7129

Tritanopia (blue-blind)

#C81F3C

Achromatopsia (no color)

#676767

Design tokens & code

CSS

--color: #b63f2d;
/* rgb */ color: rgb(182, 63, 45);
/* oklch */ color: oklch(53.3% 0.158 31.3);

Tailwind

colors: {
  custom: {
    50: '#d47a67',
    500: '#b63f2d',
    950: '#000000',
  },
}

SCSS

$custom: #b63f2d;
$custom-light: #d47a67;
$custom-dark: #000000;

JSON

{
  "hex": "#b63f2d",
  "rgb": {
    "r": 182,
    "g": 63,
    "b": 45
  },
  "hsl": {
    "h": 7.883,
    "s": 60.352,
    "l": 44.51
  },
  "oklch": {
    "l": 0.53342,
    "c": 0.15757,
    "h": 31.3
  },
  "luminance": 0.1369
}

Semantic roles & 50–950 ramp

primary

#B63F2D

secondary

#77BDC8

accent

#CFE344

background

#FEF7F6

surface

#FCEEEB

border

#D5C9C6

text

#160A06

muted

#847C7A

Preview Lab

Preview with #B63F2D

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

Preview Lab → · Contrast checker → · Palette generator →