#B5503F#B5503F

#B5503F is a mid, vivid red. Relative luminance 0.159; OKLCH L 55.7% C 0.135 H 31.4°. Best body text is #FFFFFF at 5.02:1 contrast (WCAG AA passes).

Color values

HEX	#B5503F
RGB	rgb(181, 80, 63)
HSL	hsl(9, 48%, 48%)
HSV	hsv(9, 65%, 71%)
CMYK	cmyk(0%, 55.8%, 65.2%, 29%)
CIE-LAB	lab(46.87, 39.78, 29.94)
CIE-LCH	lch(46.87, 49.79, 36.97°)
OKLab	oklab(55.71% 0.1153 0.0704)
OKLCH	oklch(55.71% 0.135 31.4)
XYZ	xyz(22.8240, 15.9228, 6.5732)
Luminance	0.1592 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#B5503F #3FA4B5

analogous

#B53F69 #B5503F #B58B3F

triadic

#B5503F #3FB550 #503FB5

tetradic

#B5503F #69B53F #3FA4B5 #8B3FB5

square

#B5503F #69B53F #3FA4B5 #8B3FB5

split-complementary

#B5503F #3FB58B #3F69B5

monochromatic

#5A281F #883C2F #B5503F #CA7567 #DA9E94

Accessibility & contrast

On white

5.02

#B5503F on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.18

#B5503F on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #B5503F

5.02:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##B5503F	#FFFFFF	#000000	##FFFFFF
##B5503F	1.00	5.02	4.18	5.02
#FFFFFF	5.02	1.00	21.00	1.00
#000000	4.18	21.00	1.00	21.00
##FFFFFF	5.02	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#6A623D

Deuteranopia (green-blind)

#83773D

Tritanopia (blue-blind)

#C63C4C

Achromatopsia (no color)

#6F6F6F

Design tokens & code

CSS

--color: #b5503f;
/* rgb */ color: rgb(181, 80, 63);
/* oklch */ color: oklch(55.7% 0.135 31.4);

Tailwind

colors: {
  custom: {
    50: '#d18474',
    500: '#b5503f',
    950: '#000000',
  },
}

SCSS

$custom: #b5503f;
$custom-light: #d18474;
$custom-dark: #000000;

JSON

{
  "hex": "#b5503f",
  "rgb": {
    "r": 181,
    "g": 80,
    "b": 63
  },
  "hsl": {
    "h": 8.644,
    "s": 48.361,
    "l": 47.843
  },
  "oklch": {
    "l": 0.55712,
    "c": 0.13513,
    "h": 31.4
  },
  "luminance": 0.1592
}

Semantic roles & 50–950 ramp

primary

#B5503F

secondary

#8ABDC5

accent

#C4D850

background

#FDF8F7

surface

#FBEFED

border

#D4CAC8

text

#150B08

muted

#837C7B

Preview Lab

Preview with #B5503F

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

Preview Lab → · Contrast checker → · Palette generator →