#AC3E28#AC3E28

#AC3E28 is a mid, vivid red. Relative luminance 0.124; OKLCH L 51.5% C 0.149 H 33.2°. Best body text is #FFFFFF at 6.05:1 contrast (WCAG AA passes).

Color values

HEX	#AC3E28
RGB	rgb(172, 62, 40)
HSL	hsl(10, 62%, 42%)
HSV	hsv(10, 77%, 67%)
CMYK	cmyk(0%, 64%, 76.7%, 32.5%)
CIE-LAB	lab(41.80, 43.83, 36.75)
CIE-LCH	lch(41.80, 57.20, 39.98°)
OKLab	oklab(51.5% 0.1244 0.0814)
OKLCH	oklch(51.5% 0.149 33.2)
XYZ	xyz(19.1210, 12.3718, 3.3882)
Luminance	0.1237 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#AC3E28 #2896AC

analogous

#AC2854 #AC3E28 #AC8028

triadic

#AC3E28 #28AC3E #3E28AC

tetradic

#AC3E28 #54AC28 #2896AC #8028AC

square

#AC3E28 #54AC28 #2896AC #8028AC

split-complementary

#AC3E28 #28AC80 #2854AC

monochromatic

#491A11 #7A2C1C #AC3E28 #D2573F #DE8371

Accessibility & contrast

On white

6.05

#AC3E28 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.47

#AC3E28 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #AC3E28

6.05:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##AC3E28	#FFFFFF	#000000	##FFFFFF
##AC3E28	1.00	6.05	3.47	6.05
#FFFFFF	6.05	1.00	21.00	1.00
#000000	3.47	21.00	1.00	21.00
##FFFFFF	6.05	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#5D5325

Deuteranopia (green-blind)

#786C24

Tritanopia (blue-blind)

#BD223A

Achromatopsia (no color)

#636363

Design tokens & code

CSS

--color: #ac3e28;
/* rgb */ color: rgb(172, 62, 40);
/* oklch */ color: oklch(51.5% 0.149 33.2);

Tailwind

colors: {
  custom: {
    50: '#cc7863',
    500: '#ac3e28',
    950: '#000000',
  },
}

SCSS

$custom: #ac3e28;
$custom-light: #cc7863;
$custom-dark: #000000;

JSON

{
  "hex": "#ac3e28",
  "rgb": {
    "r": 172,
    "g": 62,
    "b": 40
  },
  "hsl": {
    "h": 10,
    "s": 62.264,
    "l": 41.569
  },
  "oklch": {
    "l": 0.51496,
    "c": 0.1487,
    "h": 33.2
  },
  "luminance": 0.12369
}

Semantic roles & 50–950 ramp

primary

#AC3E28

secondary

#6BB6C5

accent

#CAE542

background

#FDF7F6

surface

#FBEEEB

border

#D4C9C6

text

#150905

muted

#837B7A

Preview Lab

Preview with #AC3E28

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

Preview Lab → · Contrast checker → · Palette generator →