#B54545#B54545

#B54545 is a mid, vivid red. Relative luminance 0.145; OKLCH L 54.3% C 0.146 H 23.3°. Best body text is #FFFFFF at 5.38:1 contrast (WCAG AA passes).

Color values

HEX	#B54545
RGB	rgb(181, 69, 69)
HSL	hsl(0, 45%, 49%)
HSV	hsv(0, 62%, 71%)
CMYK	cmyk(0%, 61.9%, 61.9%, 29%)
CIE-LAB	lab(44.96, 45.45, 24.01)
CIE-LCH	lch(44.96, 51.40, 27.85°)
OKLab	oklab(54.3% 0.1342 0.0578)
OKLCH	oklch(54.3% 0.146 23.3)
XYZ	xyz(22.2604, 14.5126, 7.2581)
Luminance	0.1451 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#B54545 #45B5B5

analogous

#B5457D #B54545 #B57D45

triadic

#B54545 #45B545 #4545B5

tetradic

#B54545 #7DB545 #45B5B5 #7D45B5

square

#B54545 #7DB545 #45B5B5 #7D45B5

split-complementary

#B54545 #45B57D #457DB5

monochromatic

#5C2323 #893434 #B54545 #C86F6F #D99B9B

Accessibility & contrast

On white

5.38

#B54545 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.90

#B54545 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #B54545

5.38:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##B54545	#FFFFFF	#000000	##FFFFFF
##B54545	1.00	5.38	3.90	5.38
#FFFFFF	5.38	1.00	21.00	1.00
#000000	3.90	21.00	1.00	21.00
##FFFFFF	5.38	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#615B44

Deuteranopia (green-blind)

#7E7342

Tritanopia (blue-blind)

#C62F46

Achromatopsia (no color)

#6A6A6A

Design tokens & code

CSS

--color: #b54545;
/* rgb */ color: rgb(181, 69, 69);
/* oklch */ color: oklch(54.3% 0.146 23.3);

Tailwind

colors: {
  custom: {
    50: '#d17e78',
    500: '#b54545',
    950: '#000000',
  },
}

SCSS

$custom: #b54545;
$custom-light: #d17e78;
$custom-dark: #000000;

JSON

{
  "hex": "#b54545",
  "rgb": {
    "r": 181,
    "g": 69,
    "b": 69
  },
  "hsl": {
    "h": 0,
    "s": 44.8,
    "l": 49.02
  },
  "oklch": {
    "l": 0.54299,
    "c": 0.14607,
    "h": 23.3
  },
  "luminance": 0.1451
}

Semantic roles & 50–950 ramp

primary

#B54545

secondary

#91C5C5

accent

#D5D553

background

#FDF7F7

surface

#FBEEED

border

#D4C9C8

text

#150A09

muted

#837C7B

Preview Lab

Preview with #B54545

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

Preview Lab → · Contrast checker → · Palette generator →