#AD403E#AD403E

#AD403E is a mid, vivid red. Relative luminance 0.129; OKLCH L 52.2% C 0.144 H 24.5°. Best body text is #FFFFFF at 5.87:1 contrast (WCAG AA passes).

Color values

HEX	#AD403E
RGB	rgb(173, 64, 62)
HSL	hsl(1, 47%, 46%)
HSV	hsv(1, 64%, 68%)
CMYK	cmyk(0%, 63%, 64.2%, 32.2%)
CIE-LAB	lab(42.61, 44.44, 24.97)
CIE-LCH	lch(42.61, 50.97, 29.33°)
OKLab	oklab(52.24% 0.1306 0.0595)
OKLCH	oklch(52.24% 0.144 24.5)
XYZ	xyz(19.9384, 12.9015, 5.9968)
Luminance	0.1290 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#AD403E #3EABAD

analogous

#AD3E73 #AD403E #AD773E

triadic

#AD403E #3EAD40 #403EAD

tetradic

#AD403E #73AD3E #3EABAD #773EAD

square

#AD403E #73AD3E #3EABAD #773EAD

split-complementary

#AD403E #3EAD77 #3E73AD

monochromatic

#531F1E #802F2E #AD403E #C76362 #D7908F

Accessibility & contrast

On white

5.87

#AD403E on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.58

#AD403E on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #AD403E

5.87:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##AD403E	#FFFFFF	#000000	##FFFFFF
##AD403E	1.00	5.87	3.58	5.87
#FFFFFF	5.87	1.00	21.00	1.00
#000000	3.58	21.00	1.00	21.00
##FFFFFF	5.87	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#5C563D

Deuteranopia (green-blind)

#786D3B

Tritanopia (blue-blind)

#BE2941

Achromatopsia (no color)

#656565

Design tokens & code

CSS

--color: #ad403e;
/* rgb */ color: rgb(173, 64, 62);
/* oklch */ color: oklch(52.2% 0.144 24.5);

Tailwind

colors: {
  custom: {
    50: '#cc7a73',
    500: '#ad403e',
    950: '#000000',
  },
}

SCSS

$custom: #ad403e;
$custom-light: #cc7a73;
$custom-dark: #000000;

JSON

{
  "hex": "#ad403e",
  "rgb": {
    "r": 173,
    "g": 64,
    "b": 62
  },
  "hsl": {
    "h": 1.081,
    "s": 47.234,
    "l": 46.078
  },
  "oklch": {
    "l": 0.52237,
    "c": 0.14352,
    "h": 24.5
  },
  "luminance": 0.12899
}

Semantic roles & 50–950 ramp

primary

#AD403E

secondary

#85C1C2

accent

#D4D751

background

#FDF7F7

surface

#FAEEED

border

#D3C9C8

text

#150908

muted

#837B7B

Preview Lab

Preview with #AD403E

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

Preview Lab → · Contrast checker → · Palette generator →