#AC3A39#AC3A39

#AC3A39 is a mid, vivid red. Relative luminance 0.121; OKLCH L 51.2% C 0.150 H 24.5°. Best body text is #FFFFFF at 6.14:1 contrast (WCAG AA passes).

Color values

HEX	#AC3A39
RGB	rgb(172, 58, 57)
HSL	hsl(1, 50%, 45%)
HSV	hsv(1, 67%, 67%)
CMYK	cmyk(0%, 66.3%, 66.9%, 32.5%)
CIE-LAB	lab(41.37, 46.45, 26.39)
CIE-LCH	lch(41.37, 53.42, 29.61°)
OKLab	oklab(51.24% 0.1361 0.0621)
OKLCH	oklch(51.24% 0.15 24.5)
XYZ	xyz(19.2668, 12.0949, 5.1901)
Luminance	0.1209 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#AC3A39 #39ABAC

analogous

#AC3971 #AC3A39 #AC7439

triadic

#AC3A39 #39AC3A #3A39AC

tetradic

#AC3A39 #71AC39 #39ABAC #7439AC

square

#AC3A39 #71AC39 #39ABAC #7439AC

split-complementary

#AC3A39 #39AC74 #3971AC

monochromatic

#501B1B #7E2B2A #AC3A39 #C85B5A #D88988

Accessibility & contrast

On white

6.14

#AC3A39 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.42

#AC3A39 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #AC3A39

6.14:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##AC3A39	#FFFFFF	#000000	##FFFFFF
##AC3A39	1.00	6.14	3.42	6.14
#FFFFFF	6.14	1.00	21.00	1.00
#000000	3.42	21.00	1.00	21.00
##FFFFFF	6.14	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#595238

Deuteranopia (green-blind)

#756B36

Tritanopia (blue-blind)

#BD1E3B

Achromatopsia (no color)

#626262

Design tokens & code

CSS

--color: #ac3a39;
/* rgb */ color: rgb(172, 58, 57);
/* oklch */ color: oklch(51.2% 0.150 24.5);

Tailwind

colors: {
  custom: {
    50: '#cc766f',
    500: '#ac3a39',
    950: '#000000',
  },
}

SCSS

$custom: #ac3a39;
$custom-light: #cc766f;
$custom-dark: #000000;

JSON

{
  "hex": "#ac3a39",
  "rgb": {
    "r": 172,
    "g": 58,
    "b": 57
  },
  "hsl": {
    "h": 0.522,
    "s": 50.218,
    "l": 44.902
  },
  "oklch": {
    "l": 0.51241,
    "c": 0.14958,
    "h": 24.5
  },
  "luminance": 0.12092
}

Semantic roles & 50–950 ramp

primary

#AC3A39

secondary

#7FC1C2

accent

#D9DA4E

background

#FDF7F6

surface

#FAEDEC

border

#D3C8C7

text

#150907

muted

#837B7A

Preview Lab

Preview with #AC3A39

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

Preview Lab → · Contrast checker → · Palette generator →