#B02728#B02728

#B02728 is a mid, vivid red. Relative luminance 0.108; OKLCH L 49.8% C 0.173 H 25.9°. Best body text is #FFFFFF at 6.63:1 contrast (WCAG AA passes).

Color values

HEX	#B02728
RGB	rgb(176, 39, 40)
HSL	hsl(360, 64%, 42%)
HSV	hsv(360, 78%, 69%)
CMYK	cmyk(0%, 77.8%, 77.3%, 31%)
CIE-LAB	lab(39.31, 54.05, 34.30)
CIE-LCH	lch(39.31, 64.01, 32.40°)
OKLab	oklab(49.77% 0.156 0.0758)
OKLCH	oklch(49.77% 0.173 25.9)
XYZ	xyz(19.0153, 10.8374, 3.0977)
Luminance	0.1083 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#B02728 #27B0AF

analogous

#B0276D #B02728 #B06B27

triadic

#B02728 #28B027 #2728B0

tetradic

#B02728 #6DB027 #27B0AF #6B27B0

square

#B02728 #6DB027 #27B0AF #6B27B0

split-complementary

#B02728 #27B06B #276DB0

monochromatic

#4C1111 #7E1C1D #B02728 #D54041 #E07273

Accessibility & contrast

On white

6.63

#B02728 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.17

#B02728 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #B02728

6.63:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##B02728	#FFFFFF	#000000	##FFFFFF
##B02728	1.00	6.63	3.17	6.63
#FFFFFF	6.63	1.00	21.00	1.00
#000000	3.17	21.00	1.00	21.00
##FFFFFF	6.63	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#514A26

Deuteranopia (green-blind)

#736722

Tritanopia (blue-blind)

#C20029

Achromatopsia (no color)

#5D5D5D

Design tokens & code

CSS

--color: #b02728;
/* rgb */ color: rgb(176, 39, 40);
/* oklch */ color: oklch(49.8% 0.173 25.9);

Tailwind

colors: {
  custom: {
    50: '#d16e62',
    500: '#b02728',
    950: '#000000',
  },
}

SCSS

$custom: #b02728;
$custom-light: #d16e62;
$custom-dark: #000000;

JSON

{
  "hex": "#b02728",
  "rgb": {
    "r": 176,
    "g": 39,
    "b": 40
  },
  "hsl": {
    "h": 359.562,
    "s": 63.721,
    "l": 42.157
  },
  "oklch": {
    "l": 0.49766,
    "c": 0.17343,
    "h": 25.9
  },
  "luminance": 0.10834
}

Semantic roles & 50–950 ramp

primary

#B02728

secondary

#6CC7C6

accent

#E7E641

background

#FEF7F5

surface

#FCEDEA

border

#D5C8C6

text

#160805

muted

#847B79

Preview Lab

Preview with #B02728

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

Preview Lab → · Contrast checker → · Palette generator →