#B5422F#B5422F

#B5422F is a mid, vivid red. Relative luminance 0.139; OKLCH L 53.6% C 0.153 H 31.8°. Best body text is #FFFFFF at 5.55:1 contrast (WCAG AA passes).

Color values

HEX	#B5422F
RGB	rgb(181, 66, 47)
HSL	hsl(9, 59%, 45%)
HSV	hsv(9, 74%, 71%)
CMYK	cmyk(0%, 63.5%, 74%, 29%)
CIE-LAB	lab(44.13, 45.56, 35.86)
CIE-LCH	lch(44.13, 57.98, 38.21°)
OKLab	oklab(53.57% 0.1302 0.0806)
OKLCH	oklch(53.57% 0.153 31.8)
XYZ	xyz(21.5197, 13.9285, 4.2441)
Luminance	0.1393 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#B5422F #2FA2B5

analogous

#B52F5F #B5422F #B5852F

triadic

#B5422F #2FB542 #422FB5

tetradic

#B5422F #5FB52F #2FA2B5 #852FB5

square

#B5422F #5FB52F #2FA2B5 #852FB5

split-complementary

#B5422F #2FB585 #2F5FB5

monochromatic

#541F16 #843022 #B5422F #D16250 #DE8E80

Accessibility & contrast

On white

5.55

#B5422F on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.79

#B5422F on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #B5422F

5.55:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##B5422F	#FFFFFF	#000000	##FFFFFF
##B5422F	1.00	5.55	3.79	5.55
#FFFFFF	5.55	1.00	21.00	1.00
#000000	3.79	21.00	1.00	21.00
##FFFFFF	5.55	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#62582C

Deuteranopia (green-blind)

#7E722B

Tritanopia (blue-blind)

#C7253E

Achromatopsia (no color)

#686868

Design tokens & code

CSS

--color: #b5422f;
/* rgb */ color: rgb(181, 66, 47);
/* oklch */ color: oklch(53.6% 0.153 31.8);

Tailwind

colors: {
  custom: {
    50: '#d37c68',
    500: '#b5422f',
    950: '#000000',
  },
}

SCSS

$custom: #b5422f;
$custom-light: #d37c68;
$custom-dark: #000000;

JSON

{
  "hex": "#b5422f",
  "rgb": {
    "r": 181,
    "g": 66,
    "b": 47
  },
  "hsl": {
    "h": 8.507,
    "s": 58.772,
    "l": 44.706
  },
  "oklch": {
    "l": 0.53573,
    "c": 0.15317,
    "h": 31.8
  },
  "luminance": 0.13925
}

Semantic roles & 50–950 ramp

primary

#B5422F

secondary

#79BCC7

accent

#CCE246

background

#FEF7F6

surface

#FCEEEB

border

#D5C9C6

text

#160A06

muted

#847C7A

Preview Lab

Preview with #B5422F

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

Preview Lab → · Contrast checker → · Palette generator →