#B63135#B63135

#B63135 is a mid, vivid red. Relative luminance 0.124; OKLCH L 51.9% C 0.170 H 23.9°. Best body text is #FFFFFF at 6.03:1 contrast (WCAG AA passes).

Color values

HEX	#B63135
RGB	rgb(182, 49, 53)
HSL	hsl(358, 58%, 45%)
HSV	hsv(358, 73%, 71%)
CMYK	cmyk(0%, 73.1%, 70.9%, 28.6%)
CIE-LAB	lab(41.85, 53.09, 29.81)
CIE-LCH	lch(41.85, 60.89, 29.31°)
OKLab	oklab(51.92% 0.155 0.0686)
OKLCH	oklch(51.92% 0.17 23.9)
XYZ	xyz(21.0347, 12.4019, 4.6537)
Luminance	0.1240 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#B63135 #31B6B2

analogous

#B63178 #B63135 #B66F31

triadic

#B63135 #35B631 #3135B6

tetradic

#B63135 #78B631 #31B6B2 #6F31B6

square

#B63135 #78B631 #31B6B2 #6F31B6

split-complementary

#B63135 #31B66F #3178B6

monochromatic

#561719 #862427 #B63135 #D15357 #DE8486

Accessibility & contrast

On white

6.03

#B63135 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.48

#B63135 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #B63135

6.03:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##B63135	#FFFFFF	#000000	##FFFFFF
##B63135	1.00	6.03	3.48	6.03
#FFFFFF	6.03	1.00	21.00	1.00
#000000	3.48	21.00	1.00	21.00
##FFFFFF	6.03	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#575034

Deuteranopia (green-blind)

#796D31

Tritanopia (blue-blind)

#C80034

Achromatopsia (no color)

#636363

Design tokens & code

CSS

--color: #b63135;
/* rgb */ color: rgb(182, 49, 53);
/* oklch */ color: oklch(51.9% 0.170 23.9);

Tailwind

colors: {
  custom: {
    50: '#d4736c',
    500: '#b63135',
    950: '#000000',
  },
}

SCSS

$custom: #b63135;
$custom-light: #d4736c;
$custom-dark: #000000;

JSON

{
  "hex": "#b63135",
  "rgb": {
    "r": 182,
    "g": 49,
    "b": 53
  },
  "hsl": {
    "h": 358.195,
    "s": 57.576,
    "l": 45.294
  },
  "oklch": {
    "l": 0.51921,
    "c": 0.16953,
    "h": 23.9
  },
  "luminance": 0.12399
}

Semantic roles & 50–950 ramp

primary

#B63135

secondary

#7CC7C5

accent

#E1DC47

background

#FEF7F6

surface

#FCEDEB

border

#D5C8C6

text

#160907

muted

#847B7A

Preview Lab

Preview with #B63135

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

Preview Lab → · Contrast checker → · Palette generator →