#AD431F#AD431F

#AD431F is a mid, vivid orange. Relative luminance 0.130; OKLCH L 52.2% C 0.147 H 38.2°. Best body text is #FFFFFF at 5.83:1 contrast (WCAG AA passes).

Color values

HEX	#AD431F
RGB	rgb(173, 67, 31)
HSL	hsl(15, 70%, 40%)
HSV	hsv(15, 82%, 68%)
CMYK	cmyk(0%, 61.3%, 82.1%, 32.2%)
CIE-LAB	lab(42.76, 41.56, 42.43)
CIE-LCH	lch(42.76, 59.39, 45.60°)
OKLab	oklab(52.23% 0.1157 0.091)
OKLCH	oklch(52.23% 0.147 38.2)
XYZ	xyz(19.4902, 13.0002, 2.7791)
Luminance	0.1300 (WCAG relative)
Temperature	warm
Family	orange

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#AD431F #1F89AD

analogous

#AD1F42 #AD431F #AD8A1F

triadic

#AD431F #1FAD43 #431FAD

tetradic

#AD431F #42AD1F #1F89AD #8A1FAD

square

#AD431F #42AD1F #1F89AD #8A1FAD

split-complementary

#AD431F #1FAD8A #1F42AD

monochromatic

#451B0C #792F16 #AD431F #DA5B2F #E38463

Accessibility & contrast

On white

5.83

#AD431F on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.60

#AD431F on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #AD431F

5.83:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##AD431F	#FFFFFF	#000000	##FFFFFF
##AD431F	1.00	5.83	3.60	5.83
#FFFFFF	5.83	1.00	21.00	1.00
#000000	3.60	21.00	1.00	21.00
##FFFFFF	5.83	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#61561A

Deuteranopia (green-blind)

#7B6E1B

Tritanopia (blue-blind)

#BE283C

Achromatopsia (no color)

#656565

Design tokens & code

CSS

--color: #ad431f;
/* rgb */ color: rgb(173, 67, 31);
/* oklch */ color: oklch(52.2% 0.147 38.2);

Tailwind

colors: {
  custom: {
    50: '#cd7b5e',
    500: '#ad431f',
    950: '#000000',
  },
}

SCSS

$custom: #ad431f;
$custom-light: #cd7b5e;
$custom-dark: #000000;

JSON

{
  "hex": "#ad431f",
  "rgb": {
    "r": 173,
    "g": 67,
    "b": 31
  },
  "hsl": {
    "h": 15.211,
    "s": 69.608,
    "l": 40
  },
  "oklch": {
    "l": 0.52229,
    "c": 0.14719,
    "h": 38.2
  },
  "luminance": 0.12997
}

Semantic roles & 50–950 ramp

primary

#AD431F

secondary

#60AEC8

accent

#C0EC3B

background

#FDF7F5

surface

#FBEEE9

border

#D4C9C5

text

#150A04

muted

#837C79

Preview Lab

Preview with #AD431F

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

Preview Lab → · Contrast checker → · Palette generator →