#AC3838#AC3838

#AC3838 is a mid, vivid red. Relative luminance 0.119; OKLCH L 51.0% C 0.152 H 24.3°. Best body text is #FFFFFF at 6.22:1 contrast (WCAG AA passes).

Color values

HEX	#AC3838
RGB	rgb(172, 56, 56)
HSL	hsl(0, 51%, 45%)
HSV	hsv(0, 67%, 67%)
CMYK	cmyk(0%, 67.4%, 67.4%, 32.5%)
CIE-LAB	lab(41.04, 47.24, 26.59)
CIE-LCH	lch(41.04, 54.21, 29.37°)
OKLab	oklab(50.99% 0.1384 0.0624)
OKLCH	oklch(50.99% 0.152 24.3)
XYZ	xyz(19.1432, 11.8872, 5.0271)
Luminance	0.1188 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#AC3838 #38ACAC

analogous

#AC3872 #AC3838 #AC7238

triadic

#AC3838 #38AC38 #3838AC

tetradic

#AC3838 #72AC38 #38ACAC #7238AC

square

#AC3838 #72AC38 #38ACAC #7238AC

split-complementary

#AC3838 #38AC72 #3872AC

monochromatic

#501A1A #7E2929 #AC3838 #C95858 #D88787

Accessibility & contrast

On white

6.22

#AC3838 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.38

#AC3838 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #AC3838

6.22:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##AC3838	#FFFFFF	#000000	##FFFFFF
##AC3838	1.00	6.22	3.38	6.22
#FFFFFF	6.22	1.00	21.00	1.00
#000000	3.38	21.00	1.00	21.00
##FFFFFF	6.22	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#575137

Deuteranopia (green-blind)

#756A35

Tritanopia (blue-blind)

#BD1A39

Achromatopsia (no color)

#616161

Design tokens & code

CSS

--color: #ac3838;
/* rgb */ color: rgb(172, 56, 56);
/* oklch */ color: oklch(51.0% 0.152 24.3);

Tailwind

colors: {
  custom: {
    50: '#cc756e',
    500: '#ac3838',
    950: '#000000',
  },
}

SCSS

$custom: #ac3838;
$custom-light: #cc756e;
$custom-dark: #000000;

JSON

{
  "hex": "#ac3838",
  "rgb": {
    "r": 172,
    "g": 56,
    "b": 56
  },
  "hsl": {
    "h": 0,
    "s": 50.877,
    "l": 44.706
  },
  "oklch": {
    "l": 0.50989,
    "c": 0.15181,
    "h": 24.3
  },
  "luminance": 0.11885
}

Semantic roles & 50–950 ramp

primary

#AC3838

secondary

#7EC2C2

accent

#DADA4D

background

#FDF7F6

surface

#FAEDEC

border

#D3C8C7

text

#150907

muted

#837B7A

Preview Lab

Preview with #AC3838

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

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