#B5382B#B5382B

#B5382B is a mid, vivid red. Relative luminance 0.128; OKLCH L 52.3% C 0.163 H 29.6°. Best body text is #FFFFFF at 5.89:1 contrast (WCAG AA passes).

Color values

HEX	#B5382B
RGB	rgb(181, 56, 43)
HSL	hsl(6, 62%, 44%)
HSV	hsv(6, 76%, 71%)
CMYK	cmyk(0%, 69.1%, 76.2%, 29%)
CIE-LAB	lab(42.51, 49.65, 36.32)
CIE-LCH	lch(42.51, 61.52, 36.19°)
OKLab	oklab(52.34% 0.1422 0.0807)
OKLCH	oklch(52.34% 0.163 29.6)
XYZ	xyz(20.9086, 12.8296, 3.6604)
Luminance	0.1283 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#B5382B #2BA8B5

analogous

#B52B63 #B5382B #B57D2B

triadic

#B5382B #2BB538 #382BB5

tetradic

#B5382B #63B52B #2BA8B5 #7D2BB5

square

#B5382B #63B52B #2BA8B5 #7D2BB5

split-complementary

#B5382B #2BB57D #2B63B5

monochromatic

#521914 #84291F #B5382B #D45649 #E0847B

Accessibility & contrast

On white

5.89

#B5382B on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.57

#B5382B on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #B5382B

5.89:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##B5382B	#FFFFFF	#000000	##FFFFFF
##B5382B	1.00	5.89	3.57	5.89
#FFFFFF	5.89	1.00	21.00	1.00
#000000	3.57	21.00	1.00	21.00
##FFFFFF	5.89	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#5C5329

Deuteranopia (green-blind)

#7B6E26

Tritanopia (blue-blind)

#C70D36

Achromatopsia (no color)

#646464

Design tokens & code

CSS

--color: #b5382b;
/* rgb */ color: rgb(181, 56, 43);
/* oklch */ color: oklch(52.3% 0.163 29.6);

Tailwind

colors: {
  custom: {
    50: '#d37665',
    500: '#b5382b',
    950: '#000000',
  },
}

SCSS

$custom: #b5382b;
$custom-light: #d37665;
$custom-dark: #000000;

JSON

{
  "hex": "#b5382b",
  "rgb": {
    "r": 181,
    "g": 56,
    "b": 43
  },
  "hsl": {
    "h": 5.652,
    "s": 61.607,
    "l": 43.922
  },
  "oklch": {
    "l": 0.52338,
    "c": 0.16348,
    "h": 29.6
  },
  "luminance": 0.12827
}

Semantic roles & 50–950 ramp

primary

#B5382B

secondary

#74C0C8

accent

#D5E543

background

#FEF7F6

surface

#FCEDEB

border

#D5C8C6

text

#160906

muted

#847B7A

Preview Lab

Preview with #B5382B

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

Preview Lab → · Contrast checker → · Palette generator →