#AD3720#AD3720

#AD3720 is a mid, vivid red. Relative luminance 0.117; OKLCH L 50.7% C 0.158 H 33.0°. Best body text is #FFFFFF at 6.28:1 contrast (WCAG AA passes).

Color values

HEX	#AD3720
RGB	rgb(173, 55, 32)
HSL	hsl(10, 69%, 40%)
HSV	hsv(10, 82%, 68%)
CMYK	cmyk(0%, 68.2%, 81.5%, 32.2%)
CIE-LAB	lab(40.77, 46.93, 40.03)
CIE-LCH	lch(40.77, 61.69, 40.46°)
OKLab	oklab(50.73% 0.1324 0.0861)
OKLCH	oklch(50.73% 0.158 33)
XYZ	xyz(18.8627, 11.7237, 2.6359)
Luminance	0.1172 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#AD3720 #2096AD

analogous

#AD2050 #AD3720 #AD7D20

triadic

#AD3720 #20AD37 #3720AD

tetradic

#AD3720 #50AD20 #2096AD #7D20AD

square

#AD3720 #50AD20 #2096AD #7D20AD

split-complementary

#AD3720 #20AD7D #2050AD

monochromatic

#46160D #792716 #AD3720 #D94D31 #E27965

Accessibility & contrast

On white

6.28

#AD3720 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.34

#AD3720 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #AD3720

6.28:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##AD3720	#FFFFFF	#000000	##FFFFFF
##AD3720	1.00	6.28	3.34	6.28
#FFFFFF	6.28	1.00	21.00	1.00
#000000	3.34	21.00	1.00	21.00
##FFFFFF	6.28	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#59501C

Deuteranopia (green-blind)

#776A1B

Tritanopia (blue-blind)

#BF0F33

Achromatopsia (no color)

#606060

Design tokens & code

CSS

--color: #ad3720;
/* rgb */ color: rgb(173, 55, 32);
/* oklch */ color: oklch(50.7% 0.158 33.0);

Tailwind

colors: {
  custom: {
    50: '#ce745e',
    500: '#ad3720',
    950: '#000000',
  },
}

SCSS

$custom: #ad3720;
$custom-light: #ce745e;
$custom-dark: #000000;

JSON

{
  "hex": "#ad3720",
  "rgb": {
    "r": 173,
    "g": 55,
    "b": 32
  },
  "hsl": {
    "h": 9.787,
    "s": 68.78,
    "l": 40.196
  },
  "oklch": {
    "l": 0.50733,
    "c": 0.15795,
    "h": 33
  },
  "luminance": 0.11721
}

Semantic roles & 50–950 ramp

primary

#AD3720

secondary

#61B7C8

accent

#CFEC3C

background

#FDF7F5

surface

#FBEDE9

border

#D4C8C5

text

#150904

muted

#837B79

Preview Lab

Preview with #AD3720

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

Preview Lab → · Contrast checker → · Palette generator →