#B63734#B63734

#B63734 is a mid, vivid red. Relative luminance 0.129; OKLCH L 52.5% C 0.164 H 26.0°. Best body text is #FFFFFF at 5.86:1 contrast (WCAG AA passes).

Color values

HEX	#B63734
RGB	rgb(182, 55, 52)
HSL	hsl(1, 56%, 46%)
HSV	hsv(1, 71%, 71%)
CMYK	cmyk(0%, 69.8%, 71.4%, 28.6%)
CIE-LAB	lab(42.66, 50.78, 31.36)
CIE-LCH	lch(42.66, 59.68, 31.69°)
OKLab	oklab(52.52% 0.1475 0.0718)
OKLCH	oklch(52.52% 0.164 26)
XYZ	xyz(21.2798, 12.9285, 4.6231)
Luminance	0.1293 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#B63734 #34B3B6

analogous

#B63472 #B63734 #B67834

triadic

#B63734 #34B637 #3734B6

tetradic

#B63734 #72B634 #34B3B6 #7834B6

square

#B63734 #72B634 #34B3B6 #7834B6

split-complementary

#B63734 #34B678 #3472B6

monochromatic

#571A19 #862926 #B63734 #CF5B58 #DD8A88

Accessibility & contrast

On white

5.86

#B63734 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.59

#B63734 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #B63734

5.86:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##B63734	#FFFFFF	#000000	##FFFFFF
##B63734	1.00	5.86	3.59	5.86
#FFFFFF	5.86	1.00	21.00	1.00
#000000	3.59	21.00	1.00	21.00
##FFFFFF	5.86	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#5B5332

Deuteranopia (green-blind)

#7B6F30

Tritanopia (blue-blind)

#C80D38

Achromatopsia (no color)

#656565

Design tokens & code

CSS

--color: #b63734;
/* rgb */ color: rgb(182, 55, 52);
/* oklch */ color: oklch(52.5% 0.164 26.0);

Tailwind

colors: {
  custom: {
    50: '#d4766c',
    500: '#b63734',
    950: '#000000',
  },
}

SCSS

$custom: #b63734;
$custom-light: #d4766c;
$custom-dark: #000000;

JSON

{
  "hex": "#b63734",
  "rgb": {
    "r": 182,
    "g": 55,
    "b": 52
  },
  "hsl": {
    "h": 1.385,
    "s": 55.556,
    "l": 45.882
  },
  "oklch": {
    "l": 0.5252,
    "c": 0.16406,
    "h": 26
  },
  "luminance": 0.12925
}

Semantic roles & 50–950 ramp

primary

#B63734

secondary

#7FC5C7

accent

#DBDF49

background

#FEF7F6

surface

#FCEDEB

border

#D5C8C6

text

#160907

muted

#847B7A

Preview Lab

Preview with #B63734

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

Preview Lab → · Contrast checker → · Palette generator →