#B53151#B53151

#B53151 is a mid, vivid red. Relative luminance 0.126; OKLCH L 52.3% C 0.168 H 11.2°. Best body text is #FFFFFF at 5.96:1 contrast (WCAG AA passes).

Color values

HEX	#B53151
RGB	rgb(181, 49, 81)
HSL	hsl(345, 57%, 45%)
HSV	hsv(345, 73%, 71%)
CMYK	cmyk(0%, 72.9%, 55.2%, 29%)
CIE-LAB	lab(42.18, 54.54, 12.94)
CIE-LCH	lch(42.18, 56.05, 13.35°)
OKLab	oklab(52.3% 0.1651 0.0326)
OKLCH	oklch(52.3% 0.168 11.2)
XYZ	xyz(21.6416, 12.6175, 9.0788)
Luminance	0.1261 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#B53151 #31B595

analogous

#B53193 #B53151 #B55331

triadic

#B53151 #51B531 #3151B5

tetradic

#B53151 #93B531 #31B595 #5331B5

square

#B53151 #93B531 #31B595 #5331B5

split-complementary

#B53151 #31B553 #3193B5

monochromatic

#551726 #85243B #B53151 #D05371 #DD8399

Accessibility & contrast

On white

5.96

#B53151 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.52

#B53151 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #B53151

5.96:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##B53151	#FFFFFF	#000000	##FFFFFF
##B53151	1.00	5.96	3.52	5.96
#FFFFFF	5.96	1.00	21.00	1.00
#000000	3.52	21.00	1.00	21.00
##FFFFFF	5.96	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#535251

Deuteranopia (green-blind)

#756D4E

Tritanopia (blue-blind)

#C60E3E

Achromatopsia (no color)

#646464

Design tokens & code

CSS

--color: #b53151;
/* rgb */ color: rgb(181, 49, 81);
/* oklch */ color: oklch(52.3% 0.168 11.2);

Tailwind

colors: {
  custom: {
    50: '#d17481',
    500: '#b53151',
    950: '#000000',
  },
}

SCSS

$custom: #b53151;
$custom-light: #d17481;
$custom-dark: #000000;

JSON

{
  "hex": "#b53151",
  "rgb": {
    "r": 181,
    "g": 49,
    "b": 81
  },
  "hsl": {
    "h": 345.455,
    "s": 57.391,
    "l": 45.098
  },
  "oklch": {
    "l": 0.52303,
    "c": 0.1683,
    "h": 11.2
  },
  "luminance": 0.12614
}

Semantic roles & 50–950 ramp

primary

#B53151

secondary

#7BC7B4

accent

#E1BB47

background

#FDF7F7

surface

#FBEDEE

border

#D4C8C9

text

#15090A

muted

#837B7C

Preview Lab

Preview with #B53151

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

Preview Lab → · Contrast checker → · Palette generator →