#B13228#B13228

#B13228 is a mid, vivid red. Relative luminance 0.118; OKLCH L 51.0% C 0.165 H 28.8°. Best body text is #FFFFFF at 6.26:1 contrast (WCAG AA passes).

Color values

HEX	#B13228
RGB	rgb(177, 50, 40)
HSL	hsl(4, 63%, 43%)
HSV	hsv(4, 77%, 69%)
CMYK	cmyk(0%, 71.8%, 77.4%, 30.6%)
CIE-LAB	lab(40.87, 50.55, 36.04)
CIE-LCH	lch(40.87, 62.08, 35.48°)
OKLab	oklab(50.97% 0.1449 0.0795)
OKLCH	oklch(50.97% 0.165 28.8)
XYZ	xyz(19.6573, 11.7845, 3.2467)
Luminance	0.1178 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#B13228 #28A7B1

analogous

#B12862 #B13228 #B17728

triadic

#B13228 #28B132 #3228B1

tetradic

#B13228 #62B128 #28A7B1 #7728B1

square

#B13228 #62B128 #28A7B1 #7728B1

split-complementary

#B13228 #28B177 #2862B1

monochromatic

#4D1611 #7F241D #B13228 #D44D42 #E07C74

Accessibility & contrast

On white

6.26

#B13228 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.36

#B13228 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #B13228

6.26:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##B13228	#FFFFFF	#000000	##FFFFFF
##B13228	1.00	6.26	3.36	6.26
#FFFFFF	6.26	1.00	21.00	1.00
#000000	3.36	21.00	1.00	21.00
##FFFFFF	6.26	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#574F26

Deuteranopia (green-blind)

#776B23

Tritanopia (blue-blind)

#C30031

Achromatopsia (no color)

#606060

Design tokens & code

CSS

--color: #b13228;
/* rgb */ color: rgb(177, 50, 40);
/* oklch */ color: oklch(51.0% 0.165 28.8);

Tailwind

colors: {
  custom: {
    50: '#d17363',
    500: '#b13228',
    950: '#000000',
  },
}

SCSS

$custom: #b13228;
$custom-light: #d17363;
$custom-dark: #000000;

JSON

{
  "hex": "#b13228",
  "rgb": {
    "r": 177,
    "g": 50,
    "b": 40
  },
  "hsl": {
    "h": 4.38,
    "s": 63.134,
    "l": 42.549
  },
  "oklch": {
    "l": 0.50968,
    "c": 0.16524,
    "h": 28.8
  },
  "luminance": 0.11782
}

Semantic roles & 50–950 ramp

primary

#B13228

secondary

#6EC0C7

accent

#DAE642

background

#FEF7F5

surface

#FCEDEA

border

#D5C8C6

text

#160805

muted

#847B79

Preview Lab

Preview with #B13228

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

Preview Lab → · Contrast checker → · Palette generator →