#AD5538#AD5538

#AD5538 is a mid, vivid red. Relative luminance 0.157; OKLCH L 55.2% C 0.123 H 38.7°. Best body text is #FFFFFF at 5.08:1 contrast (WCAG AA passes).

Color values

HEX	#AD5538
RGB	rgb(173, 85, 56)
HSL	hsl(15, 51%, 45%)
HSV	hsv(15, 68%, 68%)
CMYK	cmyk(0%, 50.9%, 67.6%, 32.2%)
CIE-LAB	lab(46.54, 33.66, 33.23)
CIE-LCH	lch(46.54, 47.30, 44.63°)
OKLab	oklab(55.18% 0.0959 0.077)
OKLCH	oklch(55.18% 0.123 38.7)
XYZ	xyz(21.1978, 15.6693, 5.6488)
Luminance	0.1567 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#AD5538 #3890AD

analogous

#AD3855 #AD5538 #AD9038

triadic

#AD5538 #38AD55 #5538AD

tetradic

#AD5538 #55AD38 #3890AD #9038AD

square

#AD5538 #55AD38 #3890AD #9038AD

split-complementary

#AD5538 #38AD90 #3855AD

monochromatic

#51281A #7F3E29 #AD5538 #C97559 #D89B87

Accessibility & contrast

On white

5.08

#AD5538 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.13

#AD5538 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #AD5538

5.08:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##AD5538	#FFFFFF	#000000	##FFFFFF
##AD5538	1.00	5.08	4.13	5.08
#FFFFFF	5.08	1.00	21.00	1.00
#000000	4.13	21.00	1.00	21.00
##FFFFFF	5.08	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#6C6235

Deuteranopia (green-blind)

#827636

Tritanopia (blue-blind)

#BD444E

Achromatopsia (no color)

#6E6E6E

Design tokens & code

CSS

--color: #ad5538;
/* rgb */ color: rgb(173, 85, 56);
/* oklch */ color: oklch(55.2% 0.123 38.7);

Tailwind

colors: {
  custom: {
    50: '#cb876f',
    500: '#ad5538',
    950: '#000000',
  },
}

SCSS

$custom: #ad5538;
$custom-light: #cb876f;
$custom-dark: #000000;

JSON

{
  "hex": "#ad5538",
  "rgb": {
    "r": 173,
    "g": 85,
    "b": 56
  },
  "hsl": {
    "h": 14.872,
    "s": 51.092,
    "l": 44.902
  },
  "oklch": {
    "l": 0.55179,
    "c": 0.12301,
    "h": 38.7
  },
  "luminance": 0.15667
}

Semantic roles & 50–950 ramp

primary

#AD5538

secondary

#7FB1C2

accent

#B8DB4D

background

#FDF8F6

surface

#FAEFEC

border

#D3CAC7

text

#140B07

muted

#837C7A

Preview Lab

Preview with #AD5538

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

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