#AD3823#AD3823

#AD3823 is a mid, vivid red. Relative luminance 0.118; OKLCH L 50.9% C 0.156 H 32.5°. Best body text is #FFFFFF at 6.24:1 contrast (WCAG AA passes).

Color values

HEX	#AD3823
RGB	rgb(173, 56, 35)
HSL	hsl(9, 66%, 41%)
HSV	hsv(9, 80%, 68%)
CMYK	cmyk(0%, 67.6%, 79.8%, 32.2%)
CIE-LAB	lab(40.96, 46.62, 38.63)
CIE-LCH	lch(40.96, 60.54, 39.65°)
OKLab	oklab(50.88% 0.132 0.084)
OKLCH	oklch(50.88% 0.156 32.5)
XYZ	xyz(18.9533, 11.8367, 2.8765)
Luminance	0.1183 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#AD3823 #2398AD

analogous

#AD2353 #AD3823 #AD7D23

triadic

#AD3823 #23AD38 #3823AD

tetradic

#AD3823 #53AD23 #2398AD #7D23AD

square

#AD3823 #53AD23 #2398AD #7D23AD

split-complementary

#AD3823 #23AD7D #2353AD

monochromatic

#47170E #7A2819 #AD3823 #D64F37 #E17C6A

Accessibility & contrast

On white

6.24

#AD3823 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.37

#AD3823 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #AD3823

6.24:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##AD3823	#FFFFFF	#000000	##FFFFFF
##AD3823	1.00	6.24	3.37	6.24
#FFFFFF	6.24	1.00	21.00	1.00
#000000	3.37	21.00	1.00	21.00
##FFFFFF	6.24	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#5A5020

Deuteranopia (green-blind)

#776A1E

Tritanopia (blue-blind)

#BF1334

Achromatopsia (no color)

#616161

Design tokens & code

CSS

--color: #ad3823;
/* rgb */ color: rgb(173, 56, 35);
/* oklch */ color: oklch(50.9% 0.156 32.5);

Tailwind

colors: {
  custom: {
    50: '#ce7560',
    500: '#ad3823',
    950: '#000000',
  },
}

SCSS

$custom: #ad3823;
$custom-light: #ce7560;
$custom-dark: #000000;

JSON

{
  "hex": "#ad3823",
  "rgb": {
    "r": 173,
    "g": 56,
    "b": 35
  },
  "hsl": {
    "h": 9.13,
    "s": 66.346,
    "l": 40.784
  },
  "oklch": {
    "l": 0.50878,
    "c": 0.15647,
    "h": 32.5
  },
  "luminance": 0.11834
}

Semantic roles & 50–950 ramp

primary

#AD3823

secondary

#65B8C7

accent

#CFE93F

background

#FDF7F5

surface

#FBEDE9

border

#D4C8C5

text

#150905

muted

#837B79

Preview Lab

Preview with #AD3823

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

Preview Lab → · Contrast checker → · Palette generator →