#B5404B#B5404B

#B5404B is a mid, vivid red. Relative luminance 0.140; OKLCH L 53.8% C 0.151 H 18.4°. Best body text is #FFFFFF at 5.53:1 contrast (WCAG AA passes).

Color values

HEX	#B5404B
RGB	rgb(181, 64, 75)
HSL	hsl(354, 48%, 48%)
HSV	hsv(354, 65%, 71%)
CMYK	cmyk(0%, 64.6%, 58.6%, 29%)
CIE-LAB	lab(44.24, 48.11, 19.43)
CIE-LCH	lch(44.24, 51.88, 21.99°)
OKLab	oklab(53.79% 0.1437 0.0477)
OKLCH	oklch(53.79% 0.151 18.4)
XYZ	xyz(22.1615, 14.0015, 8.1908)
Luminance	0.1400 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#B5404B #40B5AA

analogous

#B54085 #B5404B #B56F40

triadic

#B5404B #4BB540 #404BB5

tetradic

#B5404B #85B540 #40B5AA #6F40B5

square

#B5404B #85B540 #40B5AA #6F40B5

split-complementary

#B5404B #40B56F #4085B5

monochromatic

#5B2026 #883038 #B5404B #CA6872 #DA969C

Accessibility & contrast

On white

5.53

#B5404B on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.80

#B5404B on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #B5404B

5.53:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##B5404B	#FFFFFF	#000000	##FFFFFF
##B5404B	1.00	5.53	3.80	5.53
#FFFFFF	5.53	1.00	21.00	1.00
#000000	3.80	21.00	1.00	21.00
##FFFFFF	5.53	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#5D594B

Deuteranopia (green-blind)

#7B7248

Tritanopia (blue-blind)

#C62945

Achromatopsia (no color)

#696969

Design tokens & code

CSS

--color: #b5404b;
/* rgb */ color: rgb(181, 64, 75);
/* oklch */ color: oklch(53.8% 0.151 18.4);

Tailwind

colors: {
  custom: {
    50: '#d17b7d',
    500: '#b5404b',
    950: '#000000',
  },
}

SCSS

$custom: #b5404b;
$custom-light: #d17b7d;
$custom-dark: #000000;

JSON

{
  "hex": "#b5404b",
  "rgb": {
    "r": 181,
    "g": 64,
    "b": 75
  },
  "hsl": {
    "h": 354.359,
    "s": 47.755,
    "l": 48.039
  },
  "oklch": {
    "l": 0.53792,
    "c": 0.15135,
    "h": 18.4
  },
  "luminance": 0.13999
}

Semantic roles & 50–950 ramp

primary

#B5404B

secondary

#8BC5C0

accent

#D7CB50

background

#FDF7F7

surface

#FBEEEE

border

#D4C9C9

text

#150A09

muted

#837C7B

Preview Lab

Preview with #B5404B

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

Preview Lab → · Contrast checker → · Palette generator →