#AD3438#AD3438

#AD3438 is a mid, vivid red. Relative luminance 0.116; OKLCH L 50.7% C 0.157 H 23.0°. Best body text is #FFFFFF at 6.32:1 contrast (WCAG AA passes).

Color values

HEX	#AD3438
RGB	rgb(173, 52, 56)
HSL	hsl(358, 54%, 44%)
HSV	hsv(358, 70%, 68%)
CMYK	cmyk(0%, 69.9%, 67.6%, 32.2%)
CIE-LAB	lab(40.62, 49.21, 26.12)
CIE-LCH	lch(40.62, 55.71, 27.96°)
OKLab	oklab(50.71% 0.1445 0.0613)
OKLCH	oklch(50.71% 0.157 23)
XYZ	xyz(19.1774, 11.6285, 4.9753)
Luminance	0.1163 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#AD3438 #34ADA9

analogous

#AD3474 #AD3438 #AD6D34

triadic

#AD3438 #38AD34 #3438AD

tetradic

#AD3438 #74AD34 #34ADA9 #6D34AD

square

#AD3438 #74AD34 #34ADA9 #6D34AD

split-complementary

#AD3438 #34AD6D #3474AD

monochromatic

#4F181A #7E2629 #AD3438 #CB5357 #D98285

Accessibility & contrast

On white

6.32

#AD3438 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.33

#AD3438 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #AD3438

6.32:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##AD3438	#FFFFFF	#000000	##FFFFFF
##AD3438	1.00	6.32	3.33	6.32
#FFFFFF	6.32	1.00	21.00	1.00
#000000	3.33	21.00	1.00	21.00
##FFFFFF	6.32	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#554F37

Deuteranopia (green-blind)

#746934

Tritanopia (blue-blind)

#BE1037

Achromatopsia (no color)

#606060

Design tokens & code

CSS

--color: #ad3438;
/* rgb */ color: rgb(173, 52, 56);
/* oklch */ color: oklch(50.7% 0.157 23.0);

Tailwind

colors: {
  custom: {
    50: '#cd736e',
    500: '#ad3438',
    950: '#000000',
  },
}

SCSS

$custom: #ad3438;
$custom-light: #cd736e;
$custom-dark: #000000;

JSON

{
  "hex": "#ad3438",
  "rgb": {
    "r": 173,
    "g": 52,
    "b": 56
  },
  "hsl": {
    "h": 358.017,
    "s": 53.778,
    "l": 44.118
  },
  "oklch": {
    "l": 0.50711,
    "c": 0.15697,
    "h": 23
  },
  "luminance": 0.11626
}

Semantic roles & 50–950 ramp

primary

#AD3438

secondary

#7AC3C0

accent

#DDD84B

background

#FDF7F6

surface

#FBEDEC

border

#D4C8C7

text

#150907

muted

#837B7A

Preview Lab

Preview with #AD3438

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

Preview Lab → · Contrast checker → · Palette generator →