#AC4128#AC4128

#AC4128 is a mid, vivid red. Relative luminance 0.127; OKLCH L 51.9% C 0.146 H 34.5°. Best body text is #FFFFFF at 5.93:1 contrast (WCAG AA passes).

Color values

HEX	#AC4128
RGB	rgb(172, 65, 40)
HSL	hsl(11, 62%, 42%)
HSV	hsv(11, 77%, 67%)
CMYK	cmyk(0%, 62.2%, 76.7%, 32.5%)
CIE-LAB	lab(42.32, 42.45, 37.30)
CIE-LCH	lch(42.32, 56.51, 41.30°)
OKLab	oklab(51.89% 0.1202 0.0826)
OKLCH	oklch(51.89% 0.146 34.5)
XYZ	xyz(19.2886, 12.7072, 3.4441)
Luminance	0.1270 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#AC4128 #2893AC

analogous

#AC2851 #AC4128 #AC8328

triadic

#AC4128 #28AC41 #4128AC

tetradic

#AC4128 #51AC28 #2893AC #8328AC

square

#AC4128 #51AC28 #2893AC #8328AC

split-complementary

#AC4128 #28AC83 #2851AC

monochromatic

#491B11 #7A2E1C #AC4128 #D25B3F #DE8571

Accessibility & contrast

On white

5.93

#AC4128 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.54

#AC4128 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #AC4128

5.93:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##AC4128	#FFFFFF	#000000	##FFFFFF
##AC4128	1.00	5.93	3.54	5.93
#FFFFFF	5.93	1.00	21.00	1.00
#000000	3.54	21.00	1.00	21.00
##FFFFFF	5.93	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#5F5525

Deuteranopia (green-blind)

#796D24

Tritanopia (blue-blind)

#BD273C

Achromatopsia (no color)

#646464

Design tokens & code

CSS

--color: #ac4128;
/* rgb */ color: rgb(172, 65, 40);
/* oklch */ color: oklch(51.9% 0.146 34.5);

Tailwind

colors: {
  custom: {
    50: '#cc7a63',
    500: '#ac4128',
    950: '#000000',
  },
}

SCSS

$custom: #ac4128;
$custom-light: #cc7a63;
$custom-dark: #000000;

JSON

{
  "hex": "#ac4128",
  "rgb": {
    "r": 172,
    "g": 65,
    "b": 40
  },
  "hsl": {
    "h": 11.364,
    "s": 62.264,
    "l": 41.569
  },
  "oklch": {
    "l": 0.51886,
    "c": 0.14582,
    "h": 34.5
  },
  "luminance": 0.12704
}

Semantic roles & 50–950 ramp

primary

#AC4128

secondary

#6BB4C5

accent

#C6E542

background

#FDF7F6

surface

#FBEEEB

border

#D4C9C6

text

#150905

muted

#837B7A

Preview Lab

Preview with #AC4128

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

Preview Lab → · Contrast checker → · Palette generator →