#AC4428#AC4428

#AC4428 is a mid, vivid red. Relative luminance 0.131; OKLCH L 52.3% C 0.143 H 35.9°. Best body text is #FFFFFF at 5.81:1 contrast (WCAG AA passes).

Color values

HEX	#AC4428
RGB	rgb(172, 68, 40)
HSL	hsl(13, 62%, 42%)
HSV	hsv(13, 77%, 67%)
CMYK	cmyk(0%, 60.5%, 76.7%, 32.5%)
CIE-LAB	lab(42.85, 41.04, 37.86)
CIE-LCH	lch(42.85, 55.84, 42.70°)
OKLab	oklab(52.29% 0.1158 0.0838)
OKLCH	oklch(52.29% 0.143 35.9)
XYZ	xyz(19.4654, 13.0608, 3.5031)
Luminance	0.1306 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#AC4428 #2890AC

analogous

#AC284E #AC4428 #AC8628

triadic

#AC4428 #28AC44 #4428AC

tetradic

#AC4428 #4EAC28 #2890AC #8628AC

square

#AC4428 #4EAC28 #2890AC #8628AC

split-complementary

#AC4428 #28AC86 #284EAC

monochromatic

#491D11 #7A301C #AC4428 #D25E3F #DE8871

Accessibility & contrast

On white

5.81

#AC4428 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.61

#AC4428 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #AC4428

5.81:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##AC4428	#FFFFFF	#000000	##FFFFFF
##AC4428	1.00	5.81	3.61	5.81
#FFFFFF	5.81	1.00	21.00	1.00
#000000	3.61	21.00	1.00	21.00
##FFFFFF	5.81	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#615724

Deuteranopia (green-blind)

#7B6E25

Tritanopia (blue-blind)

#BD2B3E

Achromatopsia (no color)

#656565

Design tokens & code

CSS

--color: #ac4428;
/* rgb */ color: rgb(172, 68, 40);
/* oklch */ color: oklch(52.3% 0.143 35.9);

Tailwind

colors: {
  custom: {
    50: '#cc7c63',
    500: '#ac4428',
    950: '#000000',
  },
}

SCSS

$custom: #ac4428;
$custom-light: #cc7c63;
$custom-dark: #000000;

JSON

{
  "hex": "#ac4428",
  "rgb": {
    "r": 172,
    "g": 68,
    "b": 40
  },
  "hsl": {
    "h": 12.727,
    "s": 62.264,
    "l": 41.569
  },
  "oklch": {
    "l": 0.52291,
    "c": 0.14295,
    "h": 35.9
  },
  "luminance": 0.13058
}

Semantic roles & 50–950 ramp

primary

#AC4428

secondary

#6BB2C5

accent

#C3E542

background

#FDF7F6

surface

#FBEEEB

border

#D4C9C6

text

#150A05

muted

#837C7A

Preview Lab

Preview with #AC4428

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

Preview Lab → · Contrast checker → · Palette generator →