#AD3520#AD3520

#AD3520 is a mid, vivid red. Relative luminance 0.115; OKLCH L 50.5% C 0.160 H 32.3°. Best body text is #FFFFFF at 6.35:1 contrast (WCAG AA passes).

Color values

HEX	#AD3520
RGB	rgb(173, 53, 32)
HSL	hsl(9, 69%, 40%)
HSV	hsv(9, 82%, 68%)
CMYK	cmyk(0%, 69.4%, 81.5%, 32.2%)
CIE-LAB	lab(40.47, 47.76, 39.74)
CIE-LCH	lch(40.47, 62.12, 39.76°)
OKLab	oklab(50.51% 0.135 0.0854)
OKLCH	oklch(50.51% 0.16 32.3)
XYZ	xyz(18.7696, 11.5376, 2.6049)
Luminance	0.1153 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#AD3520 #2098AD

analogous

#AD2052 #AD3520 #AD7B20

triadic

#AD3520 #20AD35 #3520AD

tetradic

#AD3520 #52AD20 #2098AD #7B20AD

square

#AD3520 #52AD20 #2098AD #7B20AD

split-complementary

#AD3520 #20AD7B #2052AD

monochromatic

#46150D #792516 #AD3520 #D94A31 #E27865

Accessibility & contrast

On white

6.35

#AD3520 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.31

#AD3520 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #AD3520

6.35:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##AD3520	#FFFFFF	#000000	##FFFFFF
##AD3520	1.00	6.35	3.31	6.35
#FFFFFF	6.35	1.00	21.00	1.00
#000000	3.31	21.00	1.00	21.00
##FFFFFF	6.35	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#584F1C

Deuteranopia (green-blind)

#76691A

Tritanopia (blue-blind)

#BF0831

Achromatopsia (no color)

#5F5F5F

Design tokens & code

CSS

--color: #ad3520;
/* rgb */ color: rgb(173, 53, 32);
/* oklch */ color: oklch(50.5% 0.160 32.3);

Tailwind

colors: {
  custom: {
    50: '#ce735d',
    500: '#ad3520',
    950: '#000000',
  },
}

SCSS

$custom: #ad3520;
$custom-light: #ce735d;
$custom-dark: #000000;

JSON

{
  "hex": "#ad3520",
  "rgb": {
    "r": 173,
    "g": 53,
    "b": 32
  },
  "hsl": {
    "h": 8.936,
    "s": 68.78,
    "l": 40.196
  },
  "oklch": {
    "l": 0.50506,
    "c": 0.15975,
    "h": 32.3
  },
  "luminance": 0.11535
}

Semantic roles & 50–950 ramp

primary

#AD3520

secondary

#61B8C8

accent

#D1EC3C

background

#FDF7F5

surface

#FBEDE9

border

#D4C8C5

text

#150904

muted

#837B79

Preview Lab

Preview with #AD3520

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

Preview Lab → · Contrast checker → · Palette generator →