#AC3129#AC3129

#AC3129 is a mid, vivid red. Relative luminance 0.111; OKLCH L 50.0% C 0.161 H 28.1°. Best body text is #FFFFFF at 6.51:1 contrast (WCAG AA passes).

Color values

HEX	#AC3129
RGB	rgb(172, 49, 41)
HSL	hsl(4, 62%, 42%)
HSV	hsv(4, 76%, 67%)
CMYK	cmyk(0%, 71.5%, 76.2%, 32.5%)
CIE-LAB	lab(39.80, 49.33, 34.03)
CIE-LCH	lch(39.80, 59.93, 34.60°)
OKLab	oklab(50% 0.1418 0.0758)
OKLCH	oklch(50% 0.161 28.1)
XYZ	xyz(18.5139, 11.1302, 3.2709)
Luminance	0.1113 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#AC3129 #29A4AC

analogous

#AC2963 #AC3129 #AC7329

triadic

#AC3129 #29AC31 #3129AC

tetradic

#AC3129 #63AC29 #29A4AC #7329AC

square

#AC3129 #63AC29 #29A4AC #7329AC

split-complementary

#AC3129 #29AC73 #2963AC

monochromatic

#491511 #7B231D #AC3129 #D24941 #DD7972

Accessibility & contrast

On white

6.51

#AC3129 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.23

#AC3129 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #AC3129

6.51:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##AC3129	#FFFFFF	#000000	##FFFFFF
##AC3129	1.00	6.51	3.23	6.51
#FFFFFF	6.51	1.00	21.00	1.00
#000000	3.23	21.00	1.00	21.00
##FFFFFF	6.51	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#554D27

Deuteranopia (green-blind)

#736824

Tritanopia (blue-blind)

#BD0030

Achromatopsia (no color)

#5E5E5E

Design tokens & code

CSS

--color: #ac3129;
/* rgb */ color: rgb(172, 49, 41);
/* oklch */ color: oklch(50.0% 0.161 28.1);

Tailwind

colors: {
  custom: {
    50: '#cd7163',
    500: '#ac3129',
    950: '#000000',
  },
}

SCSS

$custom: #ac3129;
$custom-light: #cd7163;
$custom-dark: #000000;

JSON

{
  "hex": "#ac3129",
  "rgb": {
    "r": 172,
    "g": 49,
    "b": 41
  },
  "hsl": {
    "h": 3.664,
    "s": 61.502,
    "l": 41.765
  },
  "oklch": {
    "l": 0.49998,
    "c": 0.16078,
    "h": 28.1
  },
  "luminance": 0.11127
}

Semantic roles & 50–950 ramp

primary

#AC3129

secondary

#6CBFC5

accent

#DBE543

background

#FDF7F5

surface

#FBEDEA

border

#D4C8C6

text

#150805

muted

#837B79

Preview Lab

Preview with #AC3129

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

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