#AD4537#AD4537

#AD4537 is a mid, vivid red. Relative luminance 0.134; OKLCH L 52.8% C 0.139 H 30.1°. Best body text is #FFFFFF at 5.70:1 contrast (WCAG AA passes).

Color values

HEX	#AD4537
RGB	rgb(173, 69, 55)
HSL	hsl(7, 52%, 45%)
HSV	hsv(7, 68%, 68%)
CMYK	cmyk(0%, 60.1%, 68.2%, 32.2%)
CIE-LAB	lab(43.39, 41.68, 30.07)
CIE-LCH	lch(43.39, 51.39, 35.81°)
OKLab	oklab(52.79% 0.1206 0.0699)
OKLCH	oklch(52.79% 0.139 30.1)
XYZ	xyz(20.0533, 13.4190, 5.1478)
Luminance	0.1342 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#AD4537 #379FAD

analogous

#AD3764 #AD4537 #AD8037

triadic

#AD4537 #37AD45 #4537AD

tetradic

#AD4537 #64AD37 #379FAD #8037AD

square

#AD4537 #64AD37 #379FAD #8037AD

split-complementary

#AD4537 #37AD80 #3764AD

monochromatic

#502019 #7F3228 #AD4537 #CA6557 #D89086

Accessibility & contrast

On white

5.70

#AD4537 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.68

#AD4537 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #AD4537

5.70:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##AD4537	#FFFFFF	#000000	##FFFFFF
##AD4537	1.00	5.70	3.68	5.70
#FFFFFF	5.70	1.00	21.00	1.00
#000000	3.68	21.00	1.00	21.00
##FFFFFF	5.70	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#615835

Deuteranopia (green-blind)

#7A6F34

Tritanopia (blue-blind)

#BE2F42

Achromatopsia (no color)

#666666

Design tokens & code

CSS

--color: #ad4537;
/* rgb */ color: rgb(173, 69, 55);
/* oklch */ color: oklch(52.8% 0.139 30.1);

Tailwind

colors: {
  custom: {
    50: '#cc7d6e',
    500: '#ad4537',
    950: '#000000',
  },
}

SCSS

$custom: #ad4537;
$custom-light: #cc7d6e;
$custom-dark: #000000;

JSON

{
  "hex": "#ad4537",
  "rgb": {
    "r": 173,
    "g": 69,
    "b": 55
  },
  "hsl": {
    "h": 7.119,
    "s": 51.754,
    "l": 44.706
  },
  "oklch": {
    "l": 0.52785,
    "c": 0.13939,
    "h": 30.1
  },
  "luminance": 0.13416
}

Semantic roles & 50–950 ramp

primary

#AD4537

secondary

#7DBAC2

accent

#CADB4D

background

#FDF7F6

surface

#FAEEEC

border

#D3C9C7

text

#150A07

muted

#837C7A

Preview Lab

Preview with #AD4537

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

Preview Lab → · Contrast checker → · Palette generator →