#B63D2F#B63D2F

#B63D2F is a mid, vivid red. Relative luminance 0.135; OKLCH L 53.1% C 0.159 H 29.8°. Best body text is #FFFFFF at 5.68:1 contrast (WCAG AA passes).

Color values

HEX	#B63D2F
RGB	rgb(182, 61, 47)
HSL	hsl(6, 59%, 45%)
HSV	hsv(6, 74%, 71%)
CMYK	cmyk(0%, 66.5%, 74.2%, 28.6%)
CIE-LAB	lab(43.49, 48.10, 35.20)
CIE-LCH	lch(43.49, 59.60, 36.20°)
OKLab	oklab(53.13% 0.138 0.0791)
OKLCH	oklch(53.13% 0.159 29.8)
XYZ	xyz(21.4756, 13.4909, 4.1620)
Luminance	0.1349 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#B63D2F #2FA8B6

analogous

#B62F65 #B63D2F #B6802F

triadic

#B63D2F #2FB63D #3D2FB6

tetradic

#B63D2F #65B62F #2FA8B6 #802FB6

square

#B63D2F #65B62F #2FA8B6 #802FB6

split-complementary

#B63D2F #2FB680 #2F65B6

monochromatic

#551C16 #852D22 #B63D2F #D25E50 #DE8B81

Accessibility & contrast

On white

5.68

#B63D2F on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.70

#B63D2F on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #B63D2F

5.68:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##B63D2F	#FFFFFF	#000000	##FFFFFF
##B63D2F	1.00	5.68	3.70	5.68
#FFFFFF	5.68	1.00	21.00	1.00
#000000	3.70	21.00	1.00	21.00
##FFFFFF	5.68	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#5F562D

Deuteranopia (green-blind)

#7D712B

Tritanopia (blue-blind)

#C81B3B

Achromatopsia (no color)

#676767

Design tokens & code

CSS

--color: #b63d2f;
/* rgb */ color: rgb(182, 61, 47);
/* oklch */ color: oklch(53.1% 0.159 29.8);

Tailwind

colors: {
  custom: {
    50: '#d47968',
    500: '#b63d2f',
    950: '#000000',
  },
}

SCSS

$custom: #b63d2f;
$custom-light: #d47968;
$custom-dark: #000000;

JSON

{
  "hex": "#b63d2f",
  "rgb": {
    "r": 182,
    "g": 61,
    "b": 47
  },
  "hsl": {
    "h": 6.222,
    "s": 58.952,
    "l": 44.902
  },
  "oklch": {
    "l": 0.53127,
    "c": 0.15911,
    "h": 29.8
  },
  "luminance": 0.13488
}

Semantic roles & 50–950 ramp

primary

#B63D2F

secondary

#79BFC7

accent

#D2E246

background

#FEF7F6

surface

#FCEEEB

border

#D5C9C6

text

#160906

muted

#847B7A

Preview Lab

Preview with #B63D2F

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

Preview Lab → · Contrast checker → · Palette generator →