#AD3723#AD3723

#AD3723 is a mid, vivid red. Relative luminance 0.117; OKLCH L 50.8% C 0.157 H 32.1°. Best body text is #FFFFFF at 6.27:1 contrast (WCAG AA passes).

Color values

HEX	#AD3723
RGB	rgb(173, 55, 35)
HSL	hsl(9, 66%, 41%)
HSV	hsv(9, 80%, 68%)
CMYK	cmyk(0%, 68.2%, 79.8%, 32.2%)
CIE-LAB	lab(40.80, 47.03, 38.48)
CIE-LCH	lch(40.80, 60.77, 39.29°)
OKLab	oklab(50.76% 0.1333 0.0837)
OKLCH	oklch(50.76% 0.157 32.1)
XYZ	xyz(18.9053, 11.7408, 2.8605)
Luminance	0.1174 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#AD3723 #2399AD

analogous

#AD2354 #AD3723 #AD7C23

triadic

#AD3723 #23AD37 #3723AD

tetradic

#AD3723 #54AD23 #2399AD #7C23AD

square

#AD3723 #54AD23 #2399AD #7C23AD

split-complementary

#AD3723 #23AD7C #2354AD

monochromatic

#47170E #7A2719 #AD3723 #D64E37 #E17B6A

Accessibility & contrast

On white

6.27

#AD3723 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.35

#AD3723 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #AD3723

6.27:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##AD3723	#FFFFFF	#000000	##FFFFFF
##AD3723	1.00	6.27	3.35	6.27
#FFFFFF	6.27	1.00	21.00	1.00
#000000	3.35	21.00	1.00	21.00
##FFFFFF	6.27	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#595020

Deuteranopia (green-blind)

#766A1E

Tritanopia (blue-blind)

#BF1033

Achromatopsia (no color)

#606060

Design tokens & code

CSS

--color: #ad3723;
/* rgb */ color: rgb(173, 55, 35);
/* oklch */ color: oklch(50.8% 0.157 32.1);

Tailwind

colors: {
  custom: {
    50: '#ce755f',
    500: '#ad3723',
    950: '#000000',
  },
}

SCSS

$custom: #ad3723;
$custom-light: #ce755f;
$custom-dark: #000000;

JSON

{
  "hex": "#ad3723",
  "rgb": {
    "r": 173,
    "g": 55,
    "b": 35
  },
  "hsl": {
    "h": 8.696,
    "s": 66.346,
    "l": 40.784
  },
  "oklch": {
    "l": 0.50762,
    "c": 0.1574,
    "h": 32.1
  },
  "luminance": 0.11738
}

Semantic roles & 50–950 ramp

primary

#AD3723

secondary

#65B9C7

accent

#D1E93F

background

#FDF7F5

surface

#FBEDE9

border

#D4C8C5

text

#150905

muted

#837B79

Preview Lab

Preview with #AD3723

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

Preview Lab → · Contrast checker → · Palette generator →