#B63C2F#B63C2F

#B63C2F is a mid, vivid red. Relative luminance 0.134; OKLCH L 53.0% C 0.160 H 29.5°. Best body text is #FFFFFF at 5.71:1 contrast (WCAG AA passes).

Color values

HEX	#B63C2F
RGB	rgb(182, 60, 47)
HSL	hsl(6, 59%, 45%)
HSV	hsv(6, 74%, 71%)
CMYK	cmyk(0%, 67%, 74.2%, 28.6%)
CIE-LAB	lab(43.34, 48.52, 35.03)
CIE-LCH	lch(43.34, 59.84, 35.83°)
OKLab	oklab(53.01% 0.1394 0.0788)
OKLCH	oklch(53.01% 0.16 29.5)
XYZ	xyz(21.4227, 13.3852, 4.1443)
Luminance	0.1338 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#B63C2F #2FA9B6

analogous

#B62F65 #B63C2F #B6802F

triadic

#B63C2F #2FB63C #3C2FB6

tetradic

#B63C2F #65B62F #2FA9B6 #802FB6

square

#B63C2F #65B62F #2FA9B6 #802FB6

split-complementary

#B63C2F #2FB680 #2F65B6

monochromatic

#551C16 #852C22 #B63C2F #D25D50 #DE8A81

Accessibility & contrast

On white

5.71

#B63C2F on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.68

#B63C2F on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #B63C2F

5.71:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##B63C2F	#FFFFFF	#000000	##FFFFFF
##B63C2F	1.00	5.71	3.68	5.71
#FFFFFF	5.71	1.00	21.00	1.00
#000000	3.68	21.00	1.00	21.00
##FFFFFF	5.71	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#5E552D

Deuteranopia (green-blind)

#7D702B

Tritanopia (blue-blind)

#C8193A

Achromatopsia (no color)

#666666

Design tokens & code

CSS

--color: #b63c2f;
/* rgb */ color: rgb(182, 60, 47);
/* oklch */ color: oklch(53.0% 0.160 29.5);

Tailwind

colors: {
  custom: {
    50: '#d47868',
    500: '#b63c2f',
    950: '#000000',
  },
}

SCSS

$custom: #b63c2f;
$custom-light: #d47868;
$custom-dark: #000000;

JSON

{
  "hex": "#b63c2f",
  "rgb": {
    "r": 182,
    "g": 60,
    "b": 47
  },
  "hsl": {
    "h": 5.778,
    "s": 58.952,
    "l": 44.902
  },
  "oklch": {
    "l": 0.5301,
    "c": 0.16007,
    "h": 29.5
  },
  "luminance": 0.13382
}

Semantic roles & 50–950 ramp

primary

#B63C2F

secondary

#79C0C7

accent

#D3E246

background

#FEF7F6

surface

#FCEEEB

border

#D5C9C6

text

#160906

muted

#847B7A

Preview Lab

Preview with #B63C2F

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

Preview Lab → · Contrast checker → · Palette generator →