#AC3629#AC3629

#AC3629 is a mid, vivid red. Relative luminance 0.116; OKLCH L 50.5% C 0.156 H 29.8°. Best body text is #FFFFFF at 6.34:1 contrast (WCAG AA passes).

Color values

HEX	#AC3629
RGB	rgb(172, 54, 41)
HSL	hsl(6, 62%, 42%)
HSV	hsv(6, 76%, 67%)
CMYK	cmyk(0%, 68.6%, 76.2%, 32.5%)
CIE-LAB	lab(40.53, 47.33, 34.83)
CIE-LCH	lch(40.53, 58.77, 36.34°)
OKLab	oklab(50.54% 0.1356 0.0775)
OKLCH	oklch(50.54% 0.156 29.8)
XYZ	xyz(18.7348, 11.5719, 3.3445)
Luminance	0.1157 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#AC3629 #299FAC

analogous

#AC295E #AC3629 #AC7829

triadic

#AC3629 #29AC36 #3629AC

tetradic

#AC3629 #5EAC29 #299FAC #7829AC

square

#AC3629 #5EAC29 #299FAC #7829AC

split-complementary

#AC3629 #29AC78 #295EAC

monochromatic

#491711 #7B261D #AC3629 #D24F41 #DD7D72

Accessibility & contrast

On white

6.34

#AC3629 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.31

#AC3629 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #AC3629

6.34:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##AC3629	#FFFFFF	#000000	##FFFFFF
##AC3629	1.00	6.34	3.31	6.34
#FFFFFF	6.34	1.00	21.00	1.00
#000000	3.31	21.00	1.00	21.00
##FFFFFF	6.34	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#584F27

Deuteranopia (green-blind)

#756925

Tritanopia (blue-blind)

#BD1034

Achromatopsia (no color)

#5F5F5F

Design tokens & code

CSS

--color: #ac3629;
/* rgb */ color: rgb(172, 54, 41);
/* oklch */ color: oklch(50.5% 0.156 29.8);

Tailwind

colors: {
  custom: {
    50: '#cd7463',
    500: '#ac3629',
    950: '#000000',
  },
}

SCSS

$custom: #ac3629;
$custom-light: #cd7463;
$custom-dark: #000000;

JSON

{
  "hex": "#ac3629",
  "rgb": {
    "r": 172,
    "g": 54,
    "b": 41
  },
  "hsl": {
    "h": 5.954,
    "s": 61.502,
    "l": 41.765
  },
  "oklch": {
    "l": 0.50543,
    "c": 0.15615,
    "h": 29.8
  },
  "luminance": 0.11569
}

Semantic roles & 50–950 ramp

primary

#AC3629

secondary

#6CBCC5

accent

#D5E543

background

#FDF7F6

surface

#FBEDEB

border

#D4C8C6

text

#150905

muted

#837B7A

Preview Lab

Preview with #AC3629

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

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