#AD3439#AD3439

#AD3439 is a mid, vivid red. Relative luminance 0.116; OKLCH L 50.7% C 0.157 H 22.5°. Best body text is #FFFFFF at 6.31:1 contrast (WCAG AA passes).

Color values

HEX	#AD3439
RGB	rgb(173, 52, 57)
HSL	hsl(358, 54%, 44%)
HSV	hsv(358, 70%, 68%)
CMYK	cmyk(0%, 69.9%, 67.1%, 32.2%)
CIE-LAB	lab(40.64, 49.27, 25.53)
CIE-LCH	lch(40.64, 55.49, 27.39°)
OKLab	oklab(50.73% 0.1449 0.0601)
OKLCH	oklch(50.73% 0.157 22.5)
XYZ	xyz(19.2021, 11.6384, 5.1054)
Luminance	0.1164 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#AD3439 #34ADA8

analogous

#AD3476 #AD3439 #AD6C34

triadic

#AD3439 #39AD34 #3439AD

tetradic

#AD3439 #76AD34 #34ADA8 #6C34AD

square

#AD3439 #76AD34 #34ADA8 #6C34AD

split-complementary

#AD3439 #34AD6C #3476AD

monochromatic

#4F181A #7E2629 #AD3439 #CB5358 #D98286

Accessibility & contrast

On white

6.31

#AD3439 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.33

#AD3439 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #AD3439

6.31:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##AD3439	#FFFFFF	#000000	##FFFFFF
##AD3439	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)

#554F38

Deuteranopia (green-blind)

#746935

Tritanopia (blue-blind)

#BE1037

Achromatopsia (no color)

#606060

Design tokens & code

CSS

--color: #ad3439;
/* rgb */ color: rgb(173, 52, 57);
/* oklch */ color: oklch(50.7% 0.157 22.5);

Tailwind

colors: {
  custom: {
    50: '#cd736f',
    500: '#ad3439',
    950: '#000000',
  },
}

SCSS

$custom: #ad3439;
$custom-light: #cd736f;
$custom-dark: #000000;

JSON

{
  "hex": "#ad3439",
  "rgb": {
    "r": 173,
    "g": 52,
    "b": 57
  },
  "hsl": {
    "h": 357.521,
    "s": 53.778,
    "l": 44.118
  },
  "oklch": {
    "l": 0.50728,
    "c": 0.15687,
    "h": 22.5
  },
  "luminance": 0.11636
}

Semantic roles & 50–950 ramp

primary

#AD3439

secondary

#7AC3C0

accent

#DDD74B

background

#FDF7F6

surface

#FBEDEC

border

#D4C8C7

text

#150907

muted

#837B7A

Preview Lab

Preview with #AD3439

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

Preview Lab → · Contrast checker → · Palette generator →