#B63D34#B63D34

#B63D34 is a mid, vivid red. Relative luminance 0.135; OKLCH L 53.2% C 0.158 H 27.9°. Best body text is #FFFFFF at 5.67:1 contrast (WCAG AA passes).

Color values

HEX	#B63D34
RGB	rgb(182, 61, 52)
HSL	hsl(4, 56%, 46%)
HSV	hsv(4, 71%, 71%)
CMYK	cmyk(0%, 66.5%, 71.4%, 28.6%)
CIE-LAB	lab(43.56, 48.33, 32.41)
CIE-LCH	lch(43.56, 58.19, 33.84°)
OKLab	oklab(53.2% 0.1398 0.0741)
OKLCH	oklch(53.2% 0.158 27.9)
XYZ	xyz(21.5823, 13.5336, 4.7239)
Luminance	0.1353 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#B63D34 #34ADB6

analogous

#B6346C #B63D34 #B67E34

triadic

#B63D34 #34B63D #3D34B6

tetradic

#B63D34 #6CB634 #34ADB6 #7E34B6

square

#B63D34 #6CB634 #34ADB6 #7E34B6

split-complementary

#B63D34 #34B67E #346CB6

monochromatic

#571D19 #862D26 #B63D34 #CF6058 #DD8D88

Accessibility & contrast

On white

5.67

#B63D34 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.71

#B63D34 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #B63D34

5.67:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##B63D34	#FFFFFF	#000000	##FFFFFF
##B63D34	1.00	5.67	3.71	5.67
#FFFFFF	5.67	1.00	21.00	1.00
#000000	3.71	21.00	1.00	21.00
##FFFFFF	5.67	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#5F5632

Deuteranopia (green-blind)

#7D7130

Tritanopia (blue-blind)

#C81C3C

Achromatopsia (no color)

#676767

Design tokens & code

CSS

--color: #b63d34;
/* rgb */ color: rgb(182, 61, 52);
/* oklch */ color: oklch(53.2% 0.158 27.9);

Tailwind

colors: {
  custom: {
    50: '#d3796c',
    500: '#b63d34',
    950: '#000000',
  },
}

SCSS

$custom: #b63d34;
$custom-light: #d3796c;
$custom-dark: #000000;

JSON

{
  "hex": "#b63d34",
  "rgb": {
    "r": 182,
    "g": 61,
    "b": 52
  },
  "hsl": {
    "h": 4.154,
    "s": 55.556,
    "l": 45.882
  },
  "oklch": {
    "l": 0.53195,
    "c": 0.15822,
    "h": 27.9
  },
  "luminance": 0.13531
}

Semantic roles & 50–950 ramp

primary

#B63D34

secondary

#7FC2C7

accent

#D4DF49

background

#FEF7F6

surface

#FCEEEB

border

#D5C9C6

text

#160907

muted

#847B7A

Preview Lab

Preview with #B63D34

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

Preview Lab → · Contrast checker → · Palette generator →