#AC643B#AC643B

#AC643B is a mid, moderate orange. Relative luminance 0.182; OKLCH L 57.6% C 0.108 H 49.1°. Best body text is #000000 at 4.64:1 contrast (WCAG AA passes).

Color values

HEX	#AC643B
RGB	rgb(172, 100, 59)
HSL	hsl(22, 49%, 45%)
HSV	hsv(22, 66%, 67%)
CMYK	cmyk(0%, 41.9%, 65.7%, 32.5%)
CIE-LAB	lab(49.74, 25.30, 35.29)
CIE-LCH	lch(49.74, 43.42, 54.36°)
OKLab	oklab(57.62% 0.0711 0.0819)
OKLCH	oklch(57.62% 0.108 49.1)
XYZ	xyz(22.3616, 18.2031, 6.4727)
Luminance	0.1820 (WCAG relative)
Temperature	warm
Family	orange

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#AC643B #3B83AC

analogous

#AC3B4A #AC643B #AC9C3B

triadic

#AC643B #3BAC64 #643BAC

tetradic

#AC643B #4AAC3B #3B83AC #9C3BAC

square

#AC643B #4AAC3B #3B83AC #9C3BAC

split-complementary

#AC643B #3BAC9C #3B4AAC

monochromatic

#512F1C #7E4A2B #AC643B #C7835D #D7A68A

Accessibility & contrast

On white

4.53

#AC643B on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.64

#AC643B on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #AC643B

4.64:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##AC643B	#FFFFFF	#000000	##000000
##AC643B	1.00	4.53	4.64	4.64
#FFFFFF	4.53	1.00	21.00	21.00
#000000	4.64	21.00	1.00	1.00
##000000	4.64	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#786D37

Deuteranopia (green-blind)

#897D3A

Tritanopia (blue-blind)

#BC565A

Achromatopsia (no color)

#767676

Design tokens & code

CSS

--color: #ac643b;
/* rgb */ color: rgb(172, 100, 59);
/* oklch */ color: oklch(57.6% 0.108 49.1);

Tailwind

colors: {
  custom: {
    50: '#c99172',
    500: '#ac643b',
    950: '#000000',
  },
}

SCSS

$custom: #ac643b;
$custom-light: #c99172;
$custom-dark: #000000;

JSON

{
  "hex": "#ac643b",
  "rgb": {
    "r": 172,
    "g": 100,
    "b": 59
  },
  "hsl": {
    "h": 21.77,
    "s": 48.918,
    "l": 45.294
  },
  "oklch": {
    "l": 0.57616,
    "c": 0.10847,
    "h": 49.1
  },
  "luminance": 0.18201
}

Semantic roles & 50–950 ramp

primary

#AC643B

secondary

#81AAC1

accent

#A7D84F

background

#FDF8F7

surface

#FAF0ED

border

#D3CBC8

text

#140C08

muted

#837D7B

Preview Lab

Preview with #AC643B

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

Preview Lab → · Contrast checker → · Palette generator →