#B63D30#B63D30

#B63D30 is a mid, vivid red. Relative luminance 0.135; OKLCH L 53.1% C 0.159 H 29.5°. Best body text is #FFFFFF at 5.68:1 contrast (WCAG AA passes).

Color values

HEX	#B63D30
RGB	rgb(182, 61, 48)
HSL	hsl(6, 58%, 45%)
HSV	hsv(6, 74%, 71%)
CMYK	cmyk(0%, 66.5%, 73.6%, 28.6%)
CIE-LAB	lab(43.51, 48.14, 34.65)
CIE-LCH	lch(43.51, 59.31, 35.74°)
OKLab	oklab(53.14% 0.1384 0.0782)
OKLCH	oklch(53.14% 0.159 29.5)
XYZ	xyz(21.4960, 13.4991, 4.2694)
Luminance	0.1350 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#B63D30 #30A9B6

analogous

#B63066 #B63D30 #B68030

triadic

#B63D30 #30B63D #3D30B6

tetradic

#B63D30 #66B630 #30A9B6 #8030B6

square

#B63D30 #66B630 #30A9B6 #8030B6

split-complementary

#B63D30 #30B680 #3066B6

monochromatic

#551D16 #862D23 #B63D30 #D15E52 #DE8B82

Accessibility & contrast

On white

5.68

#B63D30 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.70

#B63D30 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #B63D30

5.68:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##B63D30	#FFFFFF	#000000	##FFFFFF
##B63D30	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)

#5F562E

Deuteranopia (green-blind)

#7D712C

Tritanopia (blue-blind)

#C81B3B

Achromatopsia (no color)

#676767

Design tokens & code

CSS

--color: #b63d30;
/* rgb */ color: rgb(182, 61, 48);
/* oklch */ color: oklch(53.1% 0.159 29.5);

Tailwind

colors: {
  custom: {
    50: '#d47969',
    500: '#b63d30',
    950: '#000000',
  },
}

SCSS

$custom: #b63d30;
$custom-light: #d47969;
$custom-dark: #000000;

JSON

{
  "hex": "#b63d30",
  "rgb": {
    "r": 182,
    "g": 61,
    "b": 48
  },
  "hsl": {
    "h": 5.821,
    "s": 58.261,
    "l": 45.098
  },
  "oklch": {
    "l": 0.5314,
    "c": 0.15892,
    "h": 29.5
  },
  "luminance": 0.13496
}

Semantic roles & 50–950 ramp

primary

#B63D30

secondary

#7BC0C7

accent

#D2E146

background

#FEF7F6

surface

#FCEEEB

border

#D5C9C6

text

#160906

muted

#847B7A

Preview Lab

Preview with #B63D30

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

Preview Lab → · Contrast checker → · Palette generator →