#B02828#B02828

#B02828 is a mid, vivid red. Relative luminance 0.109; OKLCH L 49.9% C 0.173 H 26.1°. Best body text is #FFFFFF at 6.60:1 contrast (WCAG AA passes).

Color values

HEX	#B02828
RGB	rgb(176, 40, 40)
HSL	hsl(0, 63%, 42%)
HSV	hsv(0, 77%, 69%)
CMYK	cmyk(0%, 77.3%, 77.3%, 31%)
CIE-LAB	lab(39.42, 53.73, 34.42)
CIE-LCH	lch(39.42, 63.81, 32.64°)
OKLab	oklab(49.85% 0.155 0.0761)
OKLCH	oklch(49.85% 0.173 26.1)
XYZ	xyz(19.0486, 10.9039, 3.1088)
Luminance	0.1090 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#B02828 #28B0B0

analogous

#B0286C #B02828 #B06C28

triadic

#B02828 #28B028 #2828B0

tetradic

#B02828 #6CB028 #28B0B0 #6C28B0

square

#B02828 #6CB028 #28B0B0 #6C28B0

split-complementary

#B02828 #28B06C #286CB0

monochromatic

#4C1111 #7E1D1D #B02828 #D44141 #DF7373

Accessibility & contrast

On white

6.60

#B02828 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.18

#B02828 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #B02828

6.60:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##B02828	#FFFFFF	#000000	##FFFFFF
##B02828	1.00	6.60	3.18	6.60
#FFFFFF	6.60	1.00	21.00	1.00
#000000	3.18	21.00	1.00	21.00
##FFFFFF	6.60	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#524A26

Deuteranopia (green-blind)

#736722

Tritanopia (blue-blind)

#C2002A

Achromatopsia (no color)

#5D5D5D

Design tokens & code

CSS

--color: #b02828;
/* rgb */ color: rgb(176, 40, 40);
/* oklch */ color: oklch(49.9% 0.173 26.1);

Tailwind

colors: {
  custom: {
    50: '#d16e62',
    500: '#b02828',
    950: '#000000',
  },
}

SCSS

$custom: #b02828;
$custom-light: #d16e62;
$custom-dark: #000000;

JSON

{
  "hex": "#b02828",
  "rgb": {
    "r": 176,
    "g": 40,
    "b": 40
  },
  "hsl": {
    "h": 0,
    "s": 62.963,
    "l": 42.353
  },
  "oklch": {
    "l": 0.4985,
    "c": 0.17264,
    "h": 26.1
  },
  "luminance": 0.10901
}

Semantic roles & 50–950 ramp

primary

#B02828

secondary

#6DC6C6

accent

#E6E642

background

#FEF7F5

surface

#FCEDEA

border

#D5C8C6

text

#160805

muted

#847B79

Preview Lab

Preview with #B02828

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

Preview Lab → · Contrast checker → · Palette generator →