#B53228#B53228

#B53228 is a mid, vivid red. Relative luminance 0.123; OKLCH L 51.7% C 0.169 H 28.7°. Best body text is #FFFFFF at 6.08:1 contrast (WCAG AA passes).

Color values

HEX	#B53228
RGB	rgb(181, 50, 40)
HSL	hsl(4, 64%, 43%)
HSV	hsv(4, 78%, 71%)
CMYK	cmyk(0%, 72.4%, 77.9%, 29%)
CIE-LAB	lab(41.63, 51.85, 37.07)
CIE-LCH	lch(41.63, 63.74, 35.56°)
OKLab	oklab(51.67% 0.1485 0.0815)
OKLCH	oklch(51.67% 0.169 28.7)
XYZ	xyz(20.5821, 12.2613, 3.2900)
Luminance	0.1226 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#B53228 #28ABB5

analogous

#B52864 #B53228 #B57828

triadic

#B53228 #28B532 #3228B5

tetradic

#B53228 #64B528 #28ABB5 #7828B5

square

#B53228 #64B528 #28ABB5 #7828B5

split-complementary

#B53228 #28B578 #2864B5

monochromatic

#511612 #83241D #B53228 #D64F44 #E17E77

Accessibility & contrast

On white

6.08

#B53228 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.45

#B53228 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #B53228

6.08:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##B53228	#FFFFFF	#000000	##FFFFFF
##B53228	1.00	6.08	3.45	6.08
#FFFFFF	6.08	1.00	21.00	1.00
#000000	3.45	21.00	1.00	21.00
##FFFFFF	6.08	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#595026

Deuteranopia (green-blind)

#796D23

Tritanopia (blue-blind)

#C70031

Achromatopsia (no color)

#626262

Design tokens & code

CSS

--color: #b53228;
/* rgb */ color: rgb(181, 50, 40);
/* oklch */ color: oklch(51.7% 0.169 28.7);

Tailwind

colors: {
  custom: {
    50: '#d47363',
    500: '#b53228',
    950: '#000000',
  },
}

SCSS

$custom: #b53228;
$custom-light: #d47363;
$custom-dark: #000000;

JSON

{
  "hex": "#b53228",
  "rgb": {
    "r": 181,
    "g": 50,
    "b": 40
  },
  "hsl": {
    "h": 4.255,
    "s": 63.801,
    "l": 43.333
  },
  "oklch": {
    "l": 0.51672,
    "c": 0.16935,
    "h": 28.7
  },
  "luminance": 0.12258
}

Semantic roles & 50–950 ramp

primary

#B53228

secondary

#70C2C8

accent

#DBE741

background

#FEF7F5

surface

#FCEDEA

border

#D5C8C6

text

#160905

muted

#847B79

Preview Lab

Preview with #B53228

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

Preview Lab → · Contrast checker → · Palette generator →