#AD3825#AD3825

#AD3825 is a mid, vivid red. Relative luminance 0.118; OKLCH L 50.9% C 0.156 H 31.8°. Best body text is #FFFFFF at 6.23:1 contrast (WCAG AA passes).

Color values

HEX	#AD3825
RGB	rgb(173, 56, 37)
HSL	hsl(8, 65%, 41%)
HSV	hsv(8, 79%, 68%)
CMYK	cmyk(0%, 67.6%, 78.6%, 32.2%)
CIE-LAB	lab(40.98, 46.69, 37.58)
CIE-LCH	lch(40.98, 59.93, 38.83°)
OKLab	oklab(50.9% 0.1326 0.0823)
OKLCH	oklch(50.9% 0.156 31.8)
XYZ	xyz(18.9838, 11.8490, 3.0374)
Luminance	0.1185 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#AD3825 #259AAD

analogous

#AD2556 #AD3825 #AD7C25

triadic

#AD3825 #25AD38 #3825AD

tetradic

#AD3825 #56AD25 #259AAD #7C25AD

square

#AD3825 #56AD25 #259AAD #7C25AD

split-complementary

#AD3825 #25AD7C #2556AD

monochromatic

#48170F #7B281A #AD3825 #D5503A #E07D6D

Accessibility & contrast

On white

6.23

#AD3825 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.37

#AD3825 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #AD3825

6.23:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##AD3825	#FFFFFF	#000000	##FFFFFF
##AD3825	1.00	6.23	3.37	6.23
#FFFFFF	6.23	1.00	21.00	1.00
#000000	3.37	21.00	1.00	21.00
##FFFFFF	6.23	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#5A5022

Deuteranopia (green-blind)

#776A20

Tritanopia (blue-blind)

#BF1434

Achromatopsia (no color)

#616161

Design tokens & code

CSS

--color: #ad3825;
/* rgb */ color: rgb(173, 56, 37);
/* oklch */ color: oklch(50.9% 0.156 31.8);

Tailwind

colors: {
  custom: {
    50: '#ce7561',
    500: '#ad3825',
    950: '#000000',
  },
}

SCSS

$custom: #ad3825;
$custom-light: #ce7561;
$custom-dark: #000000;

JSON

{
  "hex": "#ad3825",
  "rgb": {
    "r": 173,
    "g": 56,
    "b": 37
  },
  "hsl": {
    "h": 8.382,
    "s": 64.762,
    "l": 41.176
  },
  "oklch": {
    "l": 0.50899,
    "c": 0.1561,
    "h": 31.8
  },
  "luminance": 0.11846
}

Semantic roles & 50–950 ramp

primary

#AD3825

secondary

#68B9C6

accent

#D0E840

background

#FDF7F5

surface

#FBEDEA

border

#D4C8C6

text

#150905

muted

#837B79

Preview Lab

Preview with #AD3825

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

Preview Lab → · Contrast checker → · Palette generator →