#AC3028#AC3028

#AC3028 is a mid, vivid red. Relative luminance 0.110; OKLCH L 49.9% C 0.162 H 28.2°. Best body text is #FFFFFF at 6.55:1 contrast (WCAG AA passes).

Color values

HEX	#AC3028
RGB	rgb(172, 48, 40)
HSL	hsl(4, 62%, 42%)
HSV	hsv(4, 77%, 67%)
CMYK	cmyk(0%, 72.1%, 76.7%, 32.5%)
CIE-LAB	lab(39.65, 49.67, 34.44)
CIE-LCH	lch(39.65, 60.44, 34.74°)
OKLab	oklab(49.88% 0.1427 0.0764)
OKLCH	oklch(49.88% 0.162 28.2)
XYZ	xyz(18.4553, 11.0406, 3.1664)
Luminance	0.1104 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#AC3028 #28A4AC

analogous

#AC2862 #AC3028 #AC7228

triadic

#AC3028 #28AC30 #3028AC

tetradic

#AC3028 #62AC28 #28A4AC #7228AC

square

#AC3028 #62AC28 #28A4AC #7228AC

split-complementary

#AC3028 #28AC72 #2862AC

monochromatic

#491411 #7A221C #AC3028 #D2483F #DE7771

Accessibility & contrast

On white

6.55

#AC3028 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.21

#AC3028 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #AC3028

6.55:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##AC3028	#FFFFFF	#000000	##FFFFFF
##AC3028	1.00	6.55	3.21	6.55
#FFFFFF	6.55	1.00	21.00	1.00
#000000	3.21	21.00	1.00	21.00
##FFFFFF	6.55	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#544C26

Deuteranopia (green-blind)

#736723

Tritanopia (blue-blind)

#BE002F

Achromatopsia (no color)

#5D5D5D

Design tokens & code

CSS

--color: #ac3028;
/* rgb */ color: rgb(172, 48, 40);
/* oklch */ color: oklch(49.9% 0.162 28.2);

Tailwind

colors: {
  custom: {
    50: '#cd7163',
    500: '#ac3028',
    950: '#000000',
  },
}

SCSS

$custom: #ac3028;
$custom-light: #cd7163;
$custom-dark: #000000;

JSON

{
  "hex": "#ac3028",
  "rgb": {
    "r": 172,
    "g": 48,
    "b": 40
  },
  "hsl": {
    "h": 3.636,
    "s": 62.264,
    "l": 41.569
  },
  "oklch": {
    "l": 0.49882,
    "c": 0.16185,
    "h": 28.2
  },
  "luminance": 0.11038
}

Semantic roles & 50–950 ramp

primary

#AC3028

secondary

#6BBFC5

accent

#DBE542

background

#FDF7F5

surface

#FBEDEA

border

#D4C8C6

text

#150805

muted

#837B79

Preview Lab

Preview with #AC3028

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

Preview Lab → · Contrast checker → · Palette generator →