#AD402A#AD402A

#AD402A is a mid, vivid red. Relative luminance 0.127; OKLCH L 51.9% C 0.147 H 33.3°. Best body text is #FFFFFF at 5.93:1 contrast (WCAG AA passes).

Color values

HEX	#AD402A
RGB	rgb(173, 64, 42)
HSL	hsl(10, 61%, 42%)
HSV	hsv(10, 76%, 68%)
CMYK	cmyk(0%, 63%, 75.7%, 32.2%)
CIE-LAB	lab(42.34, 43.37, 36.28)
CIE-LCH	lch(42.34, 56.54, 39.92°)
OKLab	oklab(51.94% 0.1233 0.0808)
OKLCH	oklch(51.94% 0.147 33.3)
XYZ	xyz(19.4870, 12.7209, 3.6193)
Luminance	0.1272 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#AD402A #2A97AD

analogous

#AD2A56 #AD402A #AD812A

triadic

#AD402A #2AAD40 #402AAD

tetradic

#AD402A #56AD2A #2A97AD #812AAD

square

#AD402A #56AD2A #2A97AD #812AAD

split-complementary

#AD402A #2AAD81 #2A56AD

monochromatic

#4B1C12 #7C2E1E #AD402A #D15B43 #DD8674

Accessibility & contrast

On white

5.93

#AD402A on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.54

#AD402A on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #AD402A

5.93:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##AD402A	#FFFFFF	#000000	##FFFFFF
##AD402A	1.00	5.93	3.54	5.93
#FFFFFF	5.93	1.00	21.00	1.00
#000000	3.54	21.00	1.00	21.00
##FFFFFF	5.93	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#5E5527

Deuteranopia (green-blind)

#796D26

Tritanopia (blue-blind)

#BE253C

Achromatopsia (no color)

#646464

Design tokens & code

CSS

--color: #ad402a;
/* rgb */ color: rgb(173, 64, 42);
/* oklch */ color: oklch(51.9% 0.147 33.3);

Tailwind

colors: {
  custom: {
    50: '#cd7a65',
    500: '#ad402a',
    950: '#000000',
  },
}

SCSS

$custom: #ad402a;
$custom-light: #cd7a65;
$custom-dark: #000000;

JSON

{
  "hex": "#ad402a",
  "rgb": {
    "r": 173,
    "g": 64,
    "b": 42
  },
  "hsl": {
    "h": 10.076,
    "s": 60.93,
    "l": 42.157
  },
  "oklch": {
    "l": 0.51942,
    "c": 0.14742,
    "h": 33.3
  },
  "luminance": 0.12718
}

Semantic roles & 50–950 ramp

primary

#AD402A

secondary

#6EB6C5

accent

#C9E444

background

#FDF7F6

surface

#FBEEEB

border

#D4C9C6

text

#150905

muted

#837B7A

Preview Lab

Preview with #AD402A

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

Preview Lab → · Contrast checker → · Palette generator →