#AD402C#AD402C

#AD402C is a mid, vivid red. Relative luminance 0.127; OKLCH L 52.0% C 0.147 H 32.5°. Best body text is #FFFFFF at 5.92:1 contrast (WCAG AA passes).

Color values

HEX	#AD402C
RGB	rgb(173, 64, 44)
HSL	hsl(9, 59%, 43%)
HSV	hsv(9, 75%, 68%)
CMYK	cmyk(0%, 63%, 74.6%, 32.2%)
CIE-LAB	lab(42.36, 43.45, 35.19)
CIE-LCH	lch(42.36, 55.92, 39.00°)
OKLab	oklab(51.97% 0.124 0.079)
OKLCH	oklch(51.97% 0.147 32.5)
XYZ	xyz(19.5237, 12.7356, 3.8125)
Luminance	0.1273 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#AD402C #2C99AD

analogous

#AD2C59 #AD402C #AD802C

triadic

#AD402C #2CAD40 #402CAD

tetradic

#AD402C #59AD2C #2C99AD #802CAD

square

#AD402C #59AD2C #2C99AD #802CAD

split-complementary

#AD402C #2CAD80 #2C59AD

monochromatic

#4B1C13 #7C2E20 #AD402C #D05C46 #DC8777

Accessibility & contrast

On white

5.92

#AD402C on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.55

#AD402C on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #AD402C

5.92:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##AD402C	#FFFFFF	#000000	##FFFFFF
##AD402C	1.00	5.92	3.55	5.92
#FFFFFF	5.92	1.00	21.00	1.00
#000000	3.55	21.00	1.00	21.00
##FFFFFF	5.92	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#5E5529

Deuteranopia (green-blind)

#796D28

Tritanopia (blue-blind)

#BE253C

Achromatopsia (no color)

#646464

Design tokens & code

CSS

--color: #ad402c;
/* rgb */ color: rgb(173, 64, 44);
/* oklch */ color: oklch(52.0% 0.147 32.5);

Tailwind

colors: {
  custom: {
    50: '#cd7a66',
    500: '#ad402c',
    950: '#000000',
  },
}

SCSS

$custom: #ad402c;
$custom-light: #cd7a66;
$custom-dark: #000000;

JSON

{
  "hex": "#ad402c",
  "rgb": {
    "r": 173,
    "g": 64,
    "b": 44
  },
  "hsl": {
    "h": 9.302,
    "s": 59.447,
    "l": 42.549
  },
  "oklch": {
    "l": 0.51966,
    "c": 0.14697,
    "h": 32.5
  },
  "luminance": 0.12733
}

Semantic roles & 50–950 ramp

primary

#AD402C

secondary

#71B7C4

accent

#CAE345

background

#FDF7F6

surface

#FBEEEB

border

#D4C9C6

text

#150906

muted

#837B7A

Preview Lab

Preview with #AD402C

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

Preview Lab → · Contrast checker → · Palette generator →