#B63C30#B63C30

#B63C30 is a mid, vivid red. Relative luminance 0.134; OKLCH L 53.0% C 0.160 H 29.1°. Best body text is #FFFFFF at 5.71:1 contrast (WCAG AA passes).

Color values

HEX	#B63C30
RGB	rgb(182, 60, 48)
HSL	hsl(5, 58%, 45%)
HSV	hsv(5, 74%, 71%)
CMYK	cmyk(0%, 67%, 73.6%, 28.6%)
CIE-LAB	lab(43.35, 48.56, 34.47)
CIE-LCH	lch(43.35, 59.56, 35.37°)
OKLab	oklab(53.02% 0.1397 0.0778)
OKLCH	oklch(53.02% 0.16 29.1)
XYZ	xyz(21.4431, 13.3933, 4.2518)
Luminance	0.1339 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#B63C30 #30AAB6

analogous

#B63067 #B63C30 #B67F30

triadic

#B63C30 #30B63C #3C30B6

tetradic

#B63C30 #67B630 #30AAB6 #7F30B6

square

#B63C30 #67B630 #30AAB6 #7F30B6

split-complementary

#B63C30 #30B67F #3067B6

monochromatic

#551C16 #862C23 #B63C30 #D15D52 #DE8B82

Accessibility & contrast

On white

5.71

#B63C30 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.68

#B63C30 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #B63C30

5.71:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##B63C30	#FFFFFF	#000000	##FFFFFF
##B63C30	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)

#5E562E

Deuteranopia (green-blind)

#7D702C

Tritanopia (blue-blind)

#C8193A

Achromatopsia (no color)

#666666

Design tokens & code

CSS

--color: #b63c30;
/* rgb */ color: rgb(182, 60, 48);
/* oklch */ color: oklch(53.0% 0.160 29.1);

Tailwind

colors: {
  custom: {
    50: '#d47869',
    500: '#b63c30',
    950: '#000000',
  },
}

SCSS

$custom: #b63c30;
$custom-light: #d47869;
$custom-dark: #000000;

JSON

{
  "hex": "#b63c30",
  "rgb": {
    "r": 182,
    "g": 60,
    "b": 48
  },
  "hsl": {
    "h": 5.373,
    "s": 58.261,
    "l": 45.098
  },
  "oklch": {
    "l": 0.53023,
    "c": 0.15988,
    "h": 29.1
  },
  "luminance": 0.1339
}

Semantic roles & 50–950 ramp

primary

#B63C30

secondary

#7BC0C7

accent

#D4E146

background

#FEF7F6

surface

#FCEEEB

border

#D5C9C6

text

#160906

muted

#847B7A

Preview Lab

Preview with #B63C30

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

Preview Lab → · Contrast checker → · Palette generator →