#B02839#B02839

#B02839 is a mid, vivid red. Relative luminance 0.110; OKLCH L 50.1% C 0.171 H 19.6°. Best body text is #FFFFFF at 6.54:1 contrast (WCAG AA passes).

Color values

HEX	#B02839
RGB	rgb(176, 40, 57)
HSL	hsl(353, 63%, 42%)
HSV	hsv(353, 77%, 69%)
CMYK	cmyk(0%, 77.3%, 67.6%, 31%)
CIE-LAB	lab(39.66, 54.51, 24.44)
CIE-LCH	lch(39.66, 59.73, 24.15°)
OKLab	oklab(50.1% 0.1612 0.0575)
OKLCH	oklch(50.1% 0.171 19.6)
XYZ	xyz(19.4039, 11.0461, 4.9805)
Luminance	0.1104 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#B02839 #28B09F

analogous

#B0287D #B02839 #B05B28

triadic

#B02839 #39B028 #2839B0

tetradic

#B02839 #7DB028 #28B09F #5B28B0

square

#B02839 #7DB028 #28B09F #5B28B0

split-complementary

#B02839 #28B05B #287DB0

monochromatic

#4C1119 #7E1D29 #B02839 #D44154 #DF7381

Accessibility & contrast

On white

6.54

#B02839 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.21

#B02839 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #B02839

6.54:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##B02839	#FFFFFF	#000000	##FFFFFF
##B02839	1.00	6.54	3.21	6.54
#FFFFFF	6.54	1.00	21.00	1.00
#000000	3.21	21.00	1.00	21.00
##FFFFFF	6.54	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#504B39

Deuteranopia (green-blind)

#726835

Tritanopia (blue-blind)

#C10030

Achromatopsia (no color)

#5D5D5D

Design tokens & code

CSS

--color: #b02839;
/* rgb */ color: rgb(176, 40, 57);
/* oklch */ color: oklch(50.1% 0.171 19.6);

Tailwind

colors: {
  custom: {
    50: '#cf6e6f',
    500: '#b02839',
    950: '#000000',
  },
}

SCSS

$custom: #b02839;
$custom-light: #cf6e6f;
$custom-dark: #000000;

JSON

{
  "hex": "#b02839",
  "rgb": {
    "r": 176,
    "g": 40,
    "b": 57
  },
  "hsl": {
    "h": 352.5,
    "s": 62.963,
    "l": 42.353
  },
  "oklch": {
    "l": 0.50104,
    "c": 0.17116,
    "h": 19.6
  },
  "luminance": 0.11043
}

Semantic roles & 50–950 ramp

primary

#B02839

secondary

#6DC6BB

accent

#E6D142

background

#FDF7F6

surface

#FBEDEC

border

#D4C8C7

text

#150807

muted

#837B7A

Preview Lab

Preview with #B02839

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

Preview Lab → · Contrast checker → · Palette generator →