#AD3621#AD3621

#AD3621 is a mid, vivid red. Relative luminance 0.116; OKLCH L 50.6% C 0.159 H 32.4°. Best body text is #FFFFFF at 6.31:1 contrast (WCAG AA passes).

Color values

HEX	#AD3621
RGB	rgb(173, 54, 33)
HSL	hsl(9, 68%, 40%)
HSV	hsv(9, 81%, 68%)
CMYK	cmyk(0%, 68.8%, 80.9%, 32.2%)
CIE-LAB	lab(40.63, 47.38, 39.37)
CIE-LCH	lch(40.63, 61.60, 39.72°)
OKLab	oklab(50.63% 0.134 0.085)
OKLCH	oklch(50.63% 0.159 32.4)
XYZ	xyz(18.8294, 11.6352, 2.6929)
Luminance	0.1163 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#AD3621 #2198AD

analogous

#AD2152 #AD3621 #AD7C21

triadic

#AD3621 #21AD36 #3621AD

tetradic

#AD3621 #52AD21 #2198AD #7C21AD

square

#AD3621 #52AD21 #2198AD #7C21AD

split-complementary

#AD3621 #21AD7C #2152AD

monochromatic

#46160D #7A2617 #AD3621 #D84C33 #E27966

Accessibility & contrast

On white

6.31

#AD3621 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.33

#AD3621 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #AD3621

6.31:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##AD3621	#FFFFFF	#000000	##FFFFFF
##AD3621	1.00	6.31	3.33	6.31
#FFFFFF	6.31	1.00	21.00	1.00
#000000	3.33	21.00	1.00	21.00
##FFFFFF	6.31	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#594F1D

Deuteranopia (green-blind)

#76691C

Tritanopia (blue-blind)

#BF0C32

Achromatopsia (no color)

#606060

Design tokens & code

CSS

--color: #ad3621;
/* rgb */ color: rgb(173, 54, 33);
/* oklch */ color: oklch(50.6% 0.159 32.4);

Tailwind

colors: {
  custom: {
    50: '#ce745e',
    500: '#ad3621',
    950: '#000000',
  },
}

SCSS

$custom: #ad3621;
$custom-light: #ce745e;
$custom-dark: #000000;

JSON

{
  "hex": "#ad3621",
  "rgb": {
    "r": 173,
    "g": 54,
    "b": 33
  },
  "hsl": {
    "h": 9,
    "s": 67.961,
    "l": 40.392
  },
  "oklch": {
    "l": 0.50628,
    "c": 0.15867,
    "h": 32.4
  },
  "luminance": 0.11632
}

Semantic roles & 50–950 ramp

primary

#AD3621

secondary

#62B8C7

accent

#D1EB3D

background

#FDF7F5

surface

#FBEDE9

border

#D4C8C5

text

#150904

muted

#837B79

Preview Lab

Preview with #AD3621

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

Preview Lab → · Contrast checker → · Palette generator →