#B53A55#B53A55

#B53A55 is a mid, vivid red. Relative luminance 0.135; OKLCH L 53.3% C 0.159 H 11.3°. Best body text is #FFFFFF at 5.67:1 contrast (WCAG AA passes).

Color values

HEX	#B53A55
RGB	rgb(181, 58, 85)
HSL	hsl(347, 51%, 47%)
HSV	hsv(347, 68%, 71%)
CMYK	cmyk(0%, 68%, 53%, 29%)
CIE-LAB	lab(43.52, 51.42, 12.29)
CIE-LCH	lch(43.52, 52.87, 13.45°)
OKLab	oklab(53.33% 0.1557 0.0312)
OKLCH	oklch(53.33% 0.159 11.3)
XYZ	xyz(22.2107, 13.5087, 10.0304)
Luminance	0.1351 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#B53A55 #3AB59A

analogous

#B53A93 #B53A55 #B55D3A

triadic

#B53A55 #55B53A #3A55B5

tetradic

#B53A55 #93B53A #3AB59A #5D3AB5

square

#B53A55 #93B53A #3AB59A #5D3AB5

split-complementary

#B53A55 #3AB55D #3A93B5

monochromatic

#581C29 #872B3F #B53A55 #CC6078 #DB8E9F

Accessibility & contrast

On white

5.67

#B53A55 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.70

#B53A55 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #B53A55

5.67:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##B53A55	#FFFFFF	#000000	##FFFFFF
##B53A55	1.00	5.67	3.70	5.67
#FFFFFF	5.67	1.00	21.00	1.00
#000000	3.70	21.00	1.00	21.00
##FFFFFF	5.67	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#575755

Deuteranopia (green-blind)

#777052

Tritanopia (blue-blind)

#C52345

Achromatopsia (no color)

#676767

Design tokens & code

CSS

--color: #b53a55;
/* rgb */ color: rgb(181, 58, 85);
/* oklch */ color: oklch(53.3% 0.159 11.3);

Tailwind

colors: {
  custom: {
    50: '#d17884',
    500: '#b53a55',
    950: '#000000',
  },
}

SCSS

$custom: #b53a55;
$custom-light: #d17884;
$custom-dark: #000000;

JSON

{
  "hex": "#b53a55",
  "rgb": {
    "r": 181,
    "g": 58,
    "b": 85
  },
  "hsl": {
    "h": 346.829,
    "s": 51.464,
    "l": 46.863
  },
  "oklch": {
    "l": 0.53328,
    "c": 0.15876,
    "h": 11.3
  },
  "luminance": 0.13506
}

Semantic roles & 50–950 ramp

primary

#B53A55

secondary

#85C6B8

accent

#DBBC4D

background

#FDF7F8

surface

#FBEEEF

border

#D4C9CA

text

#15090A

muted

#837B7C

Preview Lab

Preview with #B53A55

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

Preview Lab → · Contrast checker → · Palette generator →