#AD582B#AD582B

#AD582B is a mid, vivid orange. Relative luminance 0.160; OKLCH L 55.5% C 0.125 H 46.3°. Best body text is #FFFFFF at 4.99:1 contrast (WCAG AA passes).

Color values

HEX	#AD582B
RGB	rgb(173, 88, 43)
HSL	hsl(21, 60%, 42%)
HSV	hsv(21, 75%, 68%)
CMYK	cmyk(0%, 49.1%, 75.1%, 32.2%)
CIE-LAB	lab(47.03, 31.37, 40.74)
CIE-LCH	lch(47.03, 51.42, 52.40°)
OKLab	oklab(55.51% 0.0867 0.0907)
OKLCH	oklch(55.51% 0.125 46.3)
XYZ	xyz(21.1613, 16.0406, 4.2668)
Luminance	0.1604 (WCAG relative)
Temperature	warm
Family	orange

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#AD582B #2B80AD

analogous

#AD2B3F #AD582B #AD992B

triadic

#AD582B #2BAD58 #582BAD

tetradic

#AD582B #3FAD2B #2B80AD #992BAD

square

#AD582B #3FAD2B #2B80AD #992BAD

split-complementary

#AD582B #2BAD99 #2B3FAD

monochromatic

#4B2613 #7C3F1F #AD582B #D17545 #DD9976

Accessibility & contrast

On white

4.99

#AD582B on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.21

#AD582B on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #AD582B

4.99:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##AD582B	#FFFFFF	#000000	##FFFFFF
##AD582B	1.00	4.99	4.21	4.99
#FFFFFF	4.99	1.00	21.00	1.00
#000000	4.21	21.00	1.00	21.00
##FFFFFF	4.99	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#706426

Deuteranopia (green-blind)

#847729

Tritanopia (blue-blind)

#BE464E

Achromatopsia (no color)

#6F6F6F

Design tokens & code

CSS

--color: #ad582b;
/* rgb */ color: rgb(173, 88, 43);
/* oklch */ color: oklch(55.5% 0.125 46.3);

Tailwind

colors: {
  custom: {
    50: '#cc8867',
    500: '#ad582b',
    950: '#000000',
  },
}

SCSS

$custom: #ad582b;
$custom-light: #cc8867;
$custom-dark: #000000;

JSON

{
  "hex": "#ad582b",
  "rgb": {
    "r": 173,
    "g": 88,
    "b": 43
  },
  "hsl": {
    "h": 20.769,
    "s": 60.185,
    "l": 42.353
  },
  "oklch": {
    "l": 0.55506,
    "c": 0.12544,
    "h": 46.3
  },
  "luminance": 0.16038
}

Semantic roles & 50–950 ramp

primary

#AD582B

secondary

#6FA7C4

accent

#ACE344

background

#FDF8F6

surface

#FAF0EB

border

#D3CBC6

text

#150B06

muted

#837C7A

Preview Lab

Preview with #AD582B

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

Preview Lab → · Contrast checker → · Palette generator →