#B02837#B02837

#B02837 is a mid, vivid red. Relative luminance 0.110; OKLCH L 50.1% C 0.171 H 20.5°. Best body text is #FFFFFF at 6.55:1 contrast (WCAG AA passes).

Color values

HEX	#B02837
RGB	rgb(176, 40, 55)
HSL	hsl(353, 63%, 42%)
HSV	hsv(353, 77%, 69%)
CMYK	cmyk(0%, 77.3%, 68.8%, 31%)
CIE-LAB	lab(39.63, 54.40, 25.63)
CIE-LCH	lch(39.63, 60.14, 25.23°)
OKLab	oklab(50.07% 0.1604 0.0599)
OKLCH	oklch(50.07% 0.171 20.5)
XYZ	xyz(19.3550, 11.0265, 4.7229)
Luminance	0.1102 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#B02837 #28B0A1

analogous

#B0287B #B02837 #B05D28

triadic

#B02837 #37B028 #2837B0

tetradic

#B02837 #7BB028 #28B0A1 #5D28B0

square

#B02837 #7BB028 #28B0A1 #5D28B0

split-complementary

#B02837 #28B05D #287BB0

monochromatic

#4C1118 #7E1D27 #B02837 #D44151 #DF737F

Accessibility & contrast

On white

6.55

#B02837 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.20

#B02837 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #B02837

6.55:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##B02837	#FFFFFF	#000000	##FFFFFF
##B02837	1.00	6.55	3.20	6.55
#FFFFFF	6.55	1.00	21.00	1.00
#000000	3.20	21.00	1.00	21.00
##FFFFFF	6.55	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#504B36

Deuteranopia (green-blind)

#726833

Tritanopia (blue-blind)

#C2002F

Achromatopsia (no color)

#5D5D5D

Design tokens & code

CSS

--color: #b02837;
/* rgb */ color: rgb(176, 40, 55);
/* oklch */ color: oklch(50.1% 0.171 20.5);

Tailwind

colors: {
  custom: {
    50: '#d06e6d',
    500: '#b02837',
    950: '#000000',
  },
}

SCSS

$custom: #b02837;
$custom-light: #d06e6d;
$custom-dark: #000000;

JSON

{
  "hex": "#b02837",
  "rgb": {
    "r": 176,
    "g": 40,
    "b": 55
  },
  "hsl": {
    "h": 353.382,
    "s": 62.963,
    "l": 42.353
  },
  "oklch": {
    "l": 0.50069,
    "c": 0.17126,
    "h": 20.5
  },
  "luminance": 0.11024
}

Semantic roles & 50–950 ramp

primary

#B02837

secondary

#6DC6BD

accent

#E6D442

background

#FDF7F6

surface

#FBEDEB

border

#D4C8C6

text

#150807

muted

#837B7A

Preview Lab

Preview with #B02837

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

Preview Lab → · Contrast checker → · Palette generator →