#AC4028#AC4028

#AC4028 is a mid, vivid red. Relative luminance 0.126; OKLCH L 51.8% C 0.147 H 34.1°. Best body text is #FFFFFF at 5.97:1 contrast (WCAG AA passes).

Color values

HEX	#AC4028
RGB	rgb(172, 64, 40)
HSL	hsl(11, 62%, 42%)
HSV	hsv(11, 77%, 67%)
CMYK	cmyk(0%, 62.8%, 76.7%, 32.5%)
CIE-LAB	lab(42.14, 42.92, 37.11)
CIE-LCH	lch(42.14, 56.74, 40.85°)
OKLab	oklab(51.76% 0.1216 0.0822)
OKLCH	oklch(51.76% 0.147 34.1)
XYZ	xyz(19.2317, 12.5934, 3.4251)
Luminance	0.1259 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#AC4028 #2894AC

analogous

#AC2852 #AC4028 #AC8228

triadic

#AC4028 #28AC40 #4028AC

tetradic

#AC4028 #52AC28 #2894AC #8228AC

square

#AC4028 #52AC28 #2894AC #8228AC

split-complementary

#AC4028 #28AC82 #2852AC

monochromatic

#491B11 #7A2E1C #AC4028 #D25A3F #DE8471

Accessibility & contrast

On white

5.97

#AC4028 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.52

#AC4028 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #AC4028

5.97:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##AC4028	#FFFFFF	#000000	##FFFFFF
##AC4028	1.00	5.97	3.52	5.97
#FFFFFF	5.97	1.00	21.00	1.00
#000000	3.52	21.00	1.00	21.00
##FFFFFF	5.97	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#5E5425

Deuteranopia (green-blind)

#796C24

Tritanopia (blue-blind)

#BD253B

Achromatopsia (no color)

#636363

Design tokens & code

CSS

--color: #ac4028;
/* rgb */ color: rgb(172, 64, 40);
/* oklch */ color: oklch(51.8% 0.147 34.1);

Tailwind

colors: {
  custom: {
    50: '#cc7963',
    500: '#ac4028',
    950: '#000000',
  },
}

SCSS

$custom: #ac4028;
$custom-light: #cc7963;
$custom-dark: #000000;

JSON

{
  "hex": "#ac4028",
  "rgb": {
    "r": 172,
    "g": 64,
    "b": 40
  },
  "hsl": {
    "h": 10.909,
    "s": 62.264,
    "l": 41.569
  },
  "oklch": {
    "l": 0.51755,
    "c": 0.14678,
    "h": 34.1
  },
  "luminance": 0.12591
}

Semantic roles & 50–950 ramp

primary

#AC4028

secondary

#6BB4C5

accent

#C8E542

background

#FDF7F6

surface

#FBEEEB

border

#D4C9C6

text

#150905

muted

#837B7A

Preview Lab

Preview with #AC4028

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

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