#B63D2D#B63D2D

#B63D2D is a mid, vivid red. Relative luminance 0.135; OKLCH L 53.1% C 0.159 H 30.5°. Best body text is #FFFFFF at 5.68:1 contrast (WCAG AA passes).

Color values

HEX	#B63D2D
RGB	rgb(182, 61, 45)
HSL	hsl(7, 60%, 45%)
HSV	hsv(7, 75%, 71%)
CMYK	cmyk(0%, 66.5%, 75.3%, 28.6%)
CIE-LAB	lab(43.47, 48.01, 36.30)
CIE-LCH	lch(43.47, 60.19, 37.10°)
OKLab	oklab(53.1% 0.1374 0.0811)
OKLCH	oklch(53.1% 0.159 30.5)
XYZ	xyz(21.4362, 13.4752, 3.9543)
Luminance	0.1347 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#B63D2D #2DA6B6

analogous

#B62D62 #B63D2D #B6812D

triadic

#B63D2D #2DB63D #3D2DB6

tetradic

#B63D2D #62B62D #2DA6B6 #812DB6

square

#B63D2D #62B62D #2DA6B6 #812DB6

split-complementary

#B63D2D #2DB681 #2D62B6

monochromatic

#541C15 #852D21 #B63D2D #D35D4D #DF8A7E

Accessibility & contrast

On white

5.68

#B63D2D on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.69

#B63D2D on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #B63D2D

5.68:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##B63D2D	#FFFFFF	#000000	##FFFFFF
##B63D2D	1.00	5.68	3.69	5.68
#FFFFFF	5.68	1.00	21.00	1.00
#000000	3.69	21.00	1.00	21.00
##FFFFFF	5.68	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#5F562A

Deuteranopia (green-blind)

#7D7129

Tritanopia (blue-blind)

#C81A3A

Achromatopsia (no color)

#676767

Design tokens & code

CSS

--color: #b63d2d;
/* rgb */ color: rgb(182, 61, 45);
/* oklch */ color: oklch(53.1% 0.159 30.5);

Tailwind

colors: {
  custom: {
    50: '#d47967',
    500: '#b63d2d',
    950: '#000000',
  },
}

SCSS

$custom: #b63d2d;
$custom-light: #d47967;
$custom-dark: #000000;

JSON

{
  "hex": "#b63d2d",
  "rgb": {
    "r": 182,
    "g": 61,
    "b": 45
  },
  "hsl": {
    "h": 7.007,
    "s": 60.352,
    "l": 44.51
  },
  "oklch": {
    "l": 0.53103,
    "c": 0.15949,
    "h": 30.5
  },
  "luminance": 0.13472
}

Semantic roles & 50–950 ramp

primary

#B63D2D

secondary

#77BEC8

accent

#D1E344

background

#FEF7F6

surface

#FCEEEB

border

#D5C9C6

text

#160906

muted

#847B7A

Preview Lab

Preview with #B63D2D

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

Preview Lab → · Contrast checker → · Palette generator →