#AD404B#AD404B

#AD404B is a mid, vivid red. Relative luminance 0.131; OKLCH L 52.5% C 0.142 H 17.5°. Best body text is #FFFFFF at 5.81:1 contrast (WCAG AA passes).

Color values

HEX	#AD404B
RGB	rgb(173, 64, 75)
HSL	hsl(354, 46%, 46%)
HSV	hsv(354, 63%, 68%)
CMYK	cmyk(0%, 63%, 56.6%, 32.2%)
CIE-LAB	lab(42.86, 45.38, 17.34)
CIE-LCH	lch(42.86, 48.58, 20.92°)
OKLab	oklab(52.5% 0.1359 0.0429)
OKLCH	oklch(52.5% 0.142 17.5)
XYZ	xyz(20.3388, 13.0617, 8.1054)
Luminance	0.1306 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#AD404B #40ADA2

analogous

#AD4082 #AD404B #AD6C40

triadic

#AD404B #4BAD40 #404BAD

tetradic

#AD404B #82AD40 #40ADA2 #6C40AD

square

#AD404B #82AD40 #40ADA2 #6C40AD

split-complementary

#AD404B #40AD6C #4082AD

monochromatic

#541F24 #802F38 #AD404B #C6646E #D69198

Accessibility & contrast

On white

5.81

#AD404B on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.61

#AD404B on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #AD404B

5.81:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##AD404B	#FFFFFF	#000000	##FFFFFF
##AD404B	1.00	5.81	3.61	5.81
#FFFFFF	5.81	1.00	21.00	1.00
#000000	3.61	21.00	1.00	21.00
##FFFFFF	5.81	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#5A574B

Deuteranopia (green-blind)

#766E48

Tritanopia (blue-blind)

#BD2C45

Achromatopsia (no color)

#656565

Design tokens & code

CSS

--color: #ad404b;
/* rgb */ color: rgb(173, 64, 75);
/* oklch */ color: oklch(52.5% 0.142 17.5);

Tailwind

colors: {
  custom: {
    50: '#cb7a7d',
    500: '#ad404b',
    950: '#000000',
  },
}

SCSS

$custom: #ad404b;
$custom-light: #cb7a7d;
$custom-dark: #000000;

JSON

{
  "hex": "#ad404b",
  "rgb": {
    "r": 173,
    "g": 64,
    "b": 75
  },
  "hsl": {
    "h": 353.945,
    "s": 45.992,
    "l": 46.471
  },
  "oklch": {
    "l": 0.52497,
    "c": 0.14248,
    "h": 17.5
  },
  "luminance": 0.13059
}

Semantic roles & 50–950 ramp

primary

#AD404B

secondary

#87C2BC

accent

#D6C852

background

#FDF7F7

surface

#FAEEEE

border

#D3C9C9

text

#140A09

muted

#837C7B

Preview Lab

Preview with #AD404B

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

Preview Lab → · Contrast checker → · Palette generator →