#AD3123#AD3123

#AD3123 is a mid, vivid red. Relative luminance 0.112; OKLCH L 50.1% C 0.163 H 30.1°. Best body text is #FFFFFF at 6.48:1 contrast (WCAG AA passes).

Color values

HEX	#AD3123
RGB	rgb(173, 49, 35)
HSL	hsl(6, 66%, 41%)
HSV	hsv(6, 80%, 68%)
CMYK	cmyk(0%, 71.7%, 79.8%, 32.2%)
CIE-LAB	lab(39.92, 49.43, 37.59)
CIE-LCH	lch(39.92, 62.10, 37.25°)
OKLab	oklab(50.11% 0.1408 0.0817)
OKLCH	oklch(50.11% 0.163 30.1)
XYZ	xyz(18.6374, 11.2051, 2.7712)
Luminance	0.1120 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#AD3123 #239FAD

analogous

#AD235A #AD3123 #AD7623

triadic

#AD3123 #23AD31 #3123AD

tetradic

#AD3123 #5AAD23 #239FAD #7623AD

square

#AD3123 #5AAD23 #239FAD #7623AD

split-complementary

#AD3123 #23AD76 #235AAD

monochromatic

#47140E #7A2319 #AD3123 #D64737 #E1766A

Accessibility & contrast

On white

6.48

#AD3123 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.24

#AD3123 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #AD3123

6.48:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##AD3123	#FFFFFF	#000000	##FFFFFF
##AD3123	1.00	6.48	3.24	6.48
#FFFFFF	6.48	1.00	21.00	1.00
#000000	3.24	21.00	1.00	21.00
##FFFFFF	6.48	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#564D20

Deuteranopia (green-blind)

#74681E

Tritanopia (blue-blind)

#BF002F

Achromatopsia (no color)

#5E5E5E

Design tokens & code

CSS

--color: #ad3123;
/* rgb */ color: rgb(173, 49, 35);
/* oklch */ color: oklch(50.1% 0.163 30.1);

Tailwind

colors: {
  custom: {
    50: '#ce725f',
    500: '#ad3123',
    950: '#000000',
  },
}

SCSS

$custom: #ad3123;
$custom-light: #ce725f;
$custom-dark: #000000;

JSON

{
  "hex": "#ad3123",
  "rgb": {
    "r": 173,
    "g": 49,
    "b": 35
  },
  "hsl": {
    "h": 6.087,
    "s": 66.346,
    "l": 40.784
  },
  "oklch": {
    "l": 0.50105,
    "c": 0.16279,
    "h": 30.1
  },
  "luminance": 0.11202
}

Semantic roles & 50–950 ramp

primary

#AD3123

secondary

#65BDC7

accent

#D8E93F

background

#FDF7F5

surface

#FBEDE9

border

#D4C8C5

text

#150805

muted

#837B79

Preview Lab

Preview with #AD3123

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

Preview Lab → · Contrast checker → · Palette generator →