#B63745#B63745

#B63745 is a mid, vivid red. Relative luminance 0.131; OKLCH L 52.8% C 0.163 H 18.6°. Best body text is #FFFFFF at 5.80:1 contrast (WCAG AA passes).

Color values

HEX	#B63745
RGB	rgb(182, 55, 69)
HSL	hsl(353, 54%, 46%)
HSV	hsv(353, 70%, 71%)
CMYK	cmyk(0%, 69.8%, 62.1%, 28.6%)
CIE-LAB	lab(42.93, 51.75, 21.42)
CIE-LCH	lch(42.93, 56.01, 22.49°)
OKLab	oklab(52.81% 0.154 0.0518)
OKLCH	oklch(52.81% 0.163 18.6)
XYZ	xyz(21.7339, 13.1102, 7.0152)
Luminance	0.1311 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#B63745 #37B6A8

analogous

#B63785 #B63745 #B66937

triadic

#B63745 #45B637 #3745B6

tetradic

#B63745 #85B637 #37B6A8 #6937B6

square

#B63745 #85B637 #37B6A8 #6937B6

split-complementary

#B63745 #37B669 #3785B6

monochromatic

#581B21 #872933 #B63745 #CE5C69 #DC8B94

Accessibility & contrast

On white

5.80

#B63745 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.62

#B63745 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #B63745

5.80:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##B63745	#FFFFFF	#000000	##FFFFFF
##B63745	1.00	5.80	3.62	5.80
#FFFFFF	5.80	1.00	21.00	1.00
#000000	3.62	21.00	1.00	21.00
##FFFFFF	5.80	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#595445

Deuteranopia (green-blind)

#796F42

Tritanopia (blue-blind)

#C7153D

Achromatopsia (no color)

#656565

Design tokens & code

CSS

--color: #b63745;
/* rgb */ color: rgb(182, 55, 69);
/* oklch */ color: oklch(52.8% 0.163 18.6);

Tailwind

colors: {
  custom: {
    50: '#d37678',
    500: '#b63745',
    950: '#000000',
  },
}

SCSS

$custom: #b63745;
$custom-light: #d37678;
$custom-dark: #000000;

JSON

{
  "hex": "#b63745",
  "rgb": {
    "r": 182,
    "g": 55,
    "b": 69
  },
  "hsl": {
    "h": 353.386,
    "s": 53.586,
    "l": 46.471
  },
  "oklch": {
    "l": 0.52812,
    "c": 0.16252,
    "h": 18.6
  },
  "luminance": 0.13107
}

Semantic roles & 50–950 ramp

primary

#B63745

secondary

#82C6BF

accent

#DDCD4B

background

#FDF7F7

surface

#FBEDED

border

#D4C8C8

text

#150909

muted

#837B7B

Preview Lab

Preview with #B63745

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

Preview Lab → · Contrast checker → · Palette generator →