#AD3D37#AD3D37

#AD3D37 is a mid, vivid red. Relative luminance 0.125; OKLCH L 51.7% C 0.148 H 26.6°. Best body text is #FFFFFF at 6.00:1 contrast (WCAG AA passes).

Color values

HEX	#AD3D37
RGB	rgb(173, 61, 55)
HSL	hsl(3, 52%, 45%)
HSV	hsv(3, 68%, 68%)
CMYK	cmyk(0%, 64.7%, 68.2%, 32.2%)
CIE-LAB	lab(42.00, 45.37, 28.41)
CIE-LCH	lch(42.00, 53.53, 32.05°)
OKLab	oklab(51.74% 0.1322 0.0662)
OKLCH	oklch(51.74% 0.148 26.6)
XYZ	xyz(19.5939, 12.5003, 4.9947)
Luminance	0.1250 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#AD3D37 #37A7AD

analogous

#AD376C #AD3D37 #AD7837

triadic

#AD3D37 #37AD3D #3D37AD

tetradic

#AD3D37 #6CAD37 #37A7AD #7837AD

square

#AD3D37 #6CAD37 #37A7AD #7837AD

split-complementary

#AD3D37 #37AD78 #376CAD

monochromatic

#501C19 #7F2D28 #AD3D37 #CA5D57 #D88A86

Accessibility & contrast

On white

6.00

#AD3D37 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.50

#AD3D37 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #AD3D37

6.00:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##AD3D37	#FFFFFF	#000000	##FFFFFF
##AD3D37	1.00	6.00	3.50	6.00
#FFFFFF	6.00	1.00	21.00	1.00
#000000	3.50	21.00	1.00	21.00
##FFFFFF	6.00	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#5B5436

Deuteranopia (green-blind)

#776C34

Tritanopia (blue-blind)

#BE223C

Achromatopsia (no color)

#636363

Design tokens & code

CSS

--color: #ad3d37;
/* rgb */ color: rgb(173, 61, 55);
/* oklch */ color: oklch(51.7% 0.148 26.6);

Tailwind

colors: {
  custom: {
    50: '#cc786e',
    500: '#ad3d37',
    950: '#000000',
  },
}

SCSS

$custom: #ad3d37;
$custom-light: #cc786e;
$custom-dark: #000000;

JSON

{
  "hex": "#ad3d37",
  "rgb": {
    "r": 173,
    "g": 61,
    "b": 55
  },
  "hsl": {
    "h": 3.051,
    "s": 51.754,
    "l": 44.706
  },
  "oklch": {
    "l": 0.5174,
    "c": 0.14782,
    "h": 26.6
  },
  "luminance": 0.12498
}

Semantic roles & 50–950 ramp

primary

#AD3D37

secondary

#7DBFC2

accent

#D4DB4D

background

#FDF7F6

surface

#FAEEEB

border

#D3C9C6

text

#150907

muted

#837B7A

Preview Lab

Preview with #AD3D37

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

Preview Lab → · Contrast checker → · Palette generator →