#B63F30#B63F30

#B63F30 is a mid, vivid red. Relative luminance 0.137; OKLCH L 53.4% C 0.157 H 30.2°. Best body text is #FFFFFF at 5.61:1 contrast (WCAG AA passes).

Color values

HEX	#B63F30
RGB	rgb(182, 63, 48)
HSL	hsl(7, 58%, 45%)
HSV	hsv(7, 74%, 71%)
CMYK	cmyk(0%, 65.4%, 73.6%, 28.6%)
CIE-LAB	lab(43.82, 47.28, 35.01)
CIE-LCH	lch(43.82, 58.83, 36.51°)
OKLab	oklab(53.38% 0.1357 0.0789)
OKLCH	oklch(53.38% 0.157 30.2)
XYZ	xyz(21.6047, 13.7166, 4.3057)
Luminance	0.1371 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#B63F30 #30A7B6

analogous

#B63064 #B63F30 #B68230

triadic

#B63F30 #30B63F #3F30B6

tetradic

#B63F30 #64B630 #30A7B6 #8230B6

square

#B63F30 #64B630 #30A7B6 #8230B6

split-complementary

#B63F30 #30B682 #3064B6

monochromatic

#551D16 #862E23 #B63F30 #D16052 #DE8D82

Accessibility & contrast

On white

5.61

#B63F30 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.74

#B63F30 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #B63F30

5.61:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##B63F30	#FFFFFF	#000000	##FFFFFF
##B63F30	1.00	5.61	3.74	5.61
#FFFFFF	5.61	1.00	21.00	1.00
#000000	3.74	21.00	1.00	21.00
##FFFFFF	5.61	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#60572E

Deuteranopia (green-blind)

#7E712C

Tritanopia (blue-blind)

#C81F3C

Achromatopsia (no color)

#686868

Design tokens & code

CSS

--color: #b63f30;
/* rgb */ color: rgb(182, 63, 48);
/* oklch */ color: oklch(53.4% 0.157 30.2);

Tailwind

colors: {
  custom: {
    50: '#d47a69',
    500: '#b63f30',
    950: '#000000',
  },
}

SCSS

$custom: #b63f30;
$custom-light: #d47a69;
$custom-dark: #000000;

JSON

{
  "hex": "#b63f30",
  "rgb": {
    "r": 182,
    "g": 63,
    "b": 48
  },
  "hsl": {
    "h": 6.716,
    "s": 58.261,
    "l": 45.098
  },
  "oklch": {
    "l": 0.53379,
    "c": 0.15698,
    "h": 30.2
  },
  "luminance": 0.13713
}

Semantic roles & 50–950 ramp

primary

#B63F30

secondary

#7BBFC7

accent

#D0E146

background

#FEF7F6

surface

#FCEEEB

border

#D5C9C6

text

#160A06

muted

#847C7A

Preview Lab

Preview with #B63F30

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

Preview Lab → · Contrast checker → · Palette generator →