#B53134#B53134

#B53134 is a mid, vivid red. Relative luminance 0.123; OKLCH L 51.7% C 0.169 H 24.2°. Best body text is #FFFFFF at 6.08:1 contrast (WCAG AA passes).

Color values

HEX	#B53134
RGB	rgb(181, 49, 52)
HSL	hsl(359, 57%, 45%)
HSV	hsv(359, 73%, 71%)
CMYK	cmyk(0%, 72.9%, 71.3%, 29%)
CIE-LAB	lab(41.64, 52.73, 30.12)
CIE-LCH	lch(41.64, 60.73, 29.74°)
OKLab	oklab(51.73% 0.1538 0.0691)
OKLCH	oklch(51.73% 0.169 24.2)
XYZ	xyz(20.7765, 12.2715, 4.5228)
Luminance	0.1227 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#B53134 #31B5B2

analogous

#B53176 #B53134 #B57031

triadic

#B53134 #34B531 #3134B5

tetradic

#B53134 #76B531 #31B5B2 #7031B5

square

#B53134 #76B531 #31B5B2 #7031B5

split-complementary

#B53134 #31B570 #3176B5

monochromatic

#551718 #852426 #B53134 #D05356 #DD8385

Accessibility & contrast

On white

6.08

#B53134 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.45

#B53134 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #B53134

6.08:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##B53134	#FFFFFF	#000000	##FFFFFF
##B53134	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)

#575033

Deuteranopia (green-blind)

#786D30

Tritanopia (blue-blind)

#C70034

Achromatopsia (no color)

#626262

Design tokens & code

CSS

--color: #b53134;
/* rgb */ color: rgb(181, 49, 52);
/* oklch */ color: oklch(51.7% 0.169 24.2);

Tailwind

colors: {
  custom: {
    50: '#d3736b',
    500: '#b53134',
    950: '#000000',
  },
}

SCSS

$custom: #b53134;
$custom-light: #d3736b;
$custom-dark: #000000;

JSON

{
  "hex": "#b53134",
  "rgb": {
    "r": 181,
    "g": 49,
    "b": 52
  },
  "hsl": {
    "h": 358.636,
    "s": 57.391,
    "l": 45.098
  },
  "oklch": {
    "l": 0.51731,
    "c": 0.16862,
    "h": 24.2
  },
  "luminance": 0.12268
}

Semantic roles & 50–950 ramp

primary

#B53134

secondary

#7BC7C5

accent

#E1DD47

background

#FEF7F6

surface

#FCEDEB

border

#D5C8C6

text

#160906

muted

#847B7A

Preview Lab

Preview with #B53134

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

Preview Lab → · Contrast checker → · Palette generator →