#B5423C#B5423C

#B5423C is a mid, vivid red. Relative luminance 0.140; OKLCH L 53.8% C 0.151 H 26.4°. Best body text is #FFFFFF at 5.51:1 contrast (WCAG AA passes).

Color values

HEX	#B5423C
RGB	rgb(181, 66, 60)
HSL	hsl(3, 50%, 47%)
HSV	hsv(3, 67%, 71%)
CMYK	cmyk(0%, 63.5%, 66.9%, 29%)
CIE-LAB	lab(44.30, 46.24, 28.56)
CIE-LCH	lch(44.30, 54.35, 31.70°)
OKLab	oklab(53.76% 0.1349 0.067)
OKLCH	oklch(53.76% 0.151 26.4)
XYZ	xyz(21.8221, 14.0494, 5.8368)
Luminance	0.1405 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#B5423C #3CAFB5

analogous

#B53C73 #B5423C #B57E3C

triadic

#B5423C #3CB542 #423CB5

tetradic

#B5423C #73B53C #3CAFB5 #7E3CB5

square

#B5423C #73B53C #3CAFB5 #7E3CB5

split-complementary

#B5423C #3CB57E #3C73B5

monochromatic

#59201E #87312D #B5423C #CB6863 #DB9591

Accessibility & contrast

On white

5.51

#B5423C on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.81

#B5423C on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #B5423C

5.51:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##B5423C	#FFFFFF	#000000	##FFFFFF
##B5423C	1.00	5.51	3.81	5.51
#FFFFFF	5.51	1.00	21.00	1.00
#000000	3.81	21.00	1.00	21.00
##FFFFFF	5.51	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#61593B

Deuteranopia (green-blind)

#7D7239

Tritanopia (blue-blind)

#C62841

Achromatopsia (no color)

#696969

Design tokens & code

CSS

--color: #b5423c;
/* rgb */ color: rgb(181, 66, 60);
/* oklch */ color: oklch(53.8% 0.151 26.4);

Tailwind

colors: {
  custom: {
    50: '#d27c72',
    500: '#b5423c',
    950: '#000000',
  },
}

SCSS

$custom: #b5423c;
$custom-light: #d27c72;
$custom-dark: #000000;

JSON

{
  "hex": "#b5423c",
  "rgb": {
    "r": 181,
    "g": 66,
    "b": 60
  },
  "hsl": {
    "h": 2.975,
    "s": 50.207,
    "l": 47.255
  },
  "oklch": {
    "l": 0.53759,
    "c": 0.15064,
    "h": 26.4
  },
  "luminance": 0.14046
}

Semantic roles & 50–950 ramp

primary

#B5423C

secondary

#87C2C6

accent

#D3DA4E

background

#FDF7F6

surface

#FBEEEC

border

#D4C9C7

text

#150A08

muted

#837C7B

Preview Lab

Preview with #B5423C

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

Preview Lab → · Contrast checker → · Palette generator →