#AC3D28#AC3D28

#AC3D28 is a mid, vivid red. Relative luminance 0.123; OKLCH L 51.4% C 0.150 H 32.8°. Best body text is #FFFFFF at 6.08:1 contrast (WCAG AA passes).

Color values

HEX	#AC3D28
RGB	rgb(172, 61, 40)
HSL	hsl(10, 62%, 42%)
HSV	hsv(10, 77%, 67%)
CMYK	cmyk(0%, 64.5%, 76.7%, 32.5%)
CIE-LAB	lab(41.63, 44.28, 36.57)
CIE-LCH	lch(41.63, 57.43, 39.55°)
OKLab	oklab(51.37% 0.1258 0.081)
OKLCH	oklch(51.37% 0.15 32.8)
XYZ	xyz(19.0671, 12.2641, 3.3703)
Luminance	0.1226 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#AC3D28 #2897AC

analogous

#AC2855 #AC3D28 #AC7F28

triadic

#AC3D28 #28AC3D #3D28AC

tetradic

#AC3D28 #55AC28 #2897AC #7F28AC

square

#AC3D28 #55AC28 #2897AC #7F28AC

split-complementary

#AC3D28 #28AC7F #2855AC

monochromatic

#491A11 #7A2B1C #AC3D28 #D2563F #DE8271

Accessibility & contrast

On white

6.08

#AC3D28 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.45

#AC3D28 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #AC3D28

6.08:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##AC3D28	#FFFFFF	#000000	##FFFFFF
##AC3D28	1.00	6.08	3.45	6.08
#FFFFFF	6.08	1.00	21.00	1.00
#000000	3.45	21.00	1.00	21.00
##FFFFFF	6.08	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#5C5325

Deuteranopia (green-blind)

#786B24

Tritanopia (blue-blind)

#BD2039

Achromatopsia (no color)

#626262

Design tokens & code

CSS

--color: #ac3d28;
/* rgb */ color: rgb(172, 61, 40);
/* oklch */ color: oklch(51.4% 0.150 32.8);

Tailwind

colors: {
  custom: {
    50: '#cd7863',
    500: '#ac3d28',
    950: '#000000',
  },
}

SCSS

$custom: #ac3d28;
$custom-light: #cd7863;
$custom-dark: #000000;

JSON

{
  "hex": "#ac3d28",
  "rgb": {
    "r": 172,
    "g": 61,
    "b": 40
  },
  "hsl": {
    "h": 9.545,
    "s": 62.264,
    "l": 41.569
  },
  "oklch": {
    "l": 0.5137,
    "c": 0.14966,
    "h": 32.8
  },
  "luminance": 0.12261
}

Semantic roles & 50–950 ramp

primary

#AC3D28

secondary

#6BB7C5

accent

#CBE542

background

#FDF7F5

surface

#FBEDEA

border

#D4C8C6

text

#150905

muted

#837B79

Preview Lab

Preview with #AC3D28

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

Preview Lab → · Contrast checker → · Palette generator →