#B02838#B02838

#B02838 is a mid, vivid red. Relative luminance 0.110; OKLCH L 50.1% C 0.171 H 20.1°. Best body text is #FFFFFF at 6.55:1 contrast (WCAG AA passes).

Color values

HEX	#B02838
RGB	rgb(176, 40, 56)
HSL	hsl(353, 63%, 42%)
HSV	hsv(353, 77%, 69%)
CMYK	cmyk(0%, 77.3%, 68.2%, 31%)
CIE-LAB	lab(39.64, 54.45, 25.04)
CIE-LCH	lch(39.64, 59.93, 24.69°)
OKLab	oklab(50.09% 0.1608 0.0588)
OKLCH	oklch(50.09% 0.171 20.1)
XYZ	xyz(19.3792, 11.0362, 4.8504)
Luminance	0.1103 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#B02838 #28B0A0

analogous

#B0287C #B02838 #B05C28

triadic

#B02838 #38B028 #2838B0

tetradic

#B02838 #7CB028 #28B0A0 #5C28B0

square

#B02838 #7CB028 #28B0A0 #5C28B0

split-complementary

#B02838 #28B05C #287CB0

monochromatic

#4C1118 #7E1D28 #B02838 #D44153 #DF7380

Accessibility & contrast

On white

6.55

#B02838 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.21

#B02838 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #B02838

6.55:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##B02838	#FFFFFF	#000000	##FFFFFF
##B02838	1.00	6.55	3.21	6.55
#FFFFFF	6.55	1.00	21.00	1.00
#000000	3.21	21.00	1.00	21.00
##FFFFFF	6.55	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#504B38

Deuteranopia (green-blind)

#726834

Tritanopia (blue-blind)

#C2002F

Achromatopsia (no color)

#5D5D5D

Design tokens & code

CSS

--color: #b02838;
/* rgb */ color: rgb(176, 40, 56);
/* oklch */ color: oklch(50.1% 0.171 20.1);

Tailwind

colors: {
  custom: {
    50: '#cf6e6e',
    500: '#b02838',
    950: '#000000',
  },
}

SCSS

$custom: #b02838;
$custom-light: #cf6e6e;
$custom-dark: #000000;

JSON

{
  "hex": "#b02838",
  "rgb": {
    "r": 176,
    "g": 40,
    "b": 56
  },
  "hsl": {
    "h": 352.941,
    "s": 62.963,
    "l": 42.353
  },
  "oklch": {
    "l": 0.50087,
    "c": 0.17121,
    "h": 20.1
  },
  "luminance": 0.11033
}

Semantic roles & 50–950 ramp

primary

#B02838

secondary

#6DC6BC

accent

#E6D342

background

#FDF7F6

surface

#FBEDEB

border

#D4C8C6

text

#150807

muted

#837B7A

Preview Lab

Preview with #B02838

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

Preview Lab → · Contrast checker → · Palette generator →