#AD3820#AD3820

#AD3820 is a mid, vivid red. Relative luminance 0.118; OKLCH L 50.8% C 0.157 H 33.4°. Best body text is #FFFFFF at 6.24:1 contrast (WCAG AA passes).

Color values

HEX	#AD3820
RGB	rgb(173, 56, 32)
HSL	hsl(10, 69%, 40%)
HSV	hsv(10, 82%, 68%)
CMYK	cmyk(0%, 67.6%, 81.5%, 32.2%)
CIE-LAB	lab(40.93, 46.51, 40.18)
CIE-LCH	lch(40.93, 61.46, 40.82°)
OKLab	oklab(50.85% 0.1311 0.0864)
OKLCH	oklch(50.85% 0.157 33.4)
XYZ	xyz(18.9106, 11.8197, 2.6519)
Luminance	0.1182 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#AD3820 #2095AD

analogous

#AD204E #AD3820 #AD7F20

triadic

#AD3820 #20AD38 #3820AD

tetradic

#AD3820 #4EAD20 #2095AD #7F20AD

square

#AD3820 #4EAD20 #2095AD #7F20AD

split-complementary

#AD3820 #20AD7F #204EAD

monochromatic

#46170D #792716 #AD3820 #D94E31 #E27A65

Accessibility & contrast

On white

6.24

#AD3820 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.36

#AD3820 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #AD3820

6.24:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##AD3820	#FFFFFF	#000000	##FFFFFF
##AD3820	1.00	6.24	3.36	6.24
#FFFFFF	6.24	1.00	21.00	1.00
#000000	3.36	21.00	1.00	21.00
##FFFFFF	6.24	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#5A501C

Deuteranopia (green-blind)

#776A1B

Tritanopia (blue-blind)

#BF1233

Achromatopsia (no color)

#606060

Design tokens & code

CSS

--color: #ad3820;
/* rgb */ color: rgb(173, 56, 32);
/* oklch */ color: oklch(50.8% 0.157 33.4);

Tailwind

colors: {
  custom: {
    50: '#ce755e',
    500: '#ad3820',
    950: '#000000',
  },
}

SCSS

$custom: #ad3820;
$custom-light: #ce755e;
$custom-dark: #000000;

JSON

{
  "hex": "#ad3820",
  "rgb": {
    "r": 173,
    "g": 56,
    "b": 32
  },
  "hsl": {
    "h": 10.213,
    "s": 68.78,
    "l": 40.196
  },
  "oklch": {
    "l": 0.50849,
    "c": 0.15704,
    "h": 33.4
  },
  "luminance": 0.11817
}

Semantic roles & 50–950 ramp

primary

#AD3820

secondary

#61B6C8

accent

#CEEC3C

background

#FDF7F5

surface

#FBEDE9

border

#D4C8C5

text

#150904

muted

#837B79

Preview Lab

Preview with #AD3820

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

Preview Lab → · Contrast checker → · Palette generator →