#AC343B#AC343B

#AC343B is a mid, vivid red. Relative luminance 0.115; OKLCH L 50.6% C 0.156 H 21.5°. Best body text is #FFFFFF at 6.35:1 contrast (WCAG AA passes).

Color values

HEX	#AC343B
RGB	rgb(172, 52, 59)
HSL	hsl(357, 54%, 44%)
HSV	hsv(357, 70%, 67%)
CMYK	cmyk(0%, 69.8%, 65.7%, 32.5%)
CIE-LAB	lab(40.48, 49.06, 24.07)
CIE-LCH	lch(40.48, 54.64, 26.14°)
OKLab	oklab(50.59% 0.1448 0.0571)
OKLCH	oklch(50.59% 0.156 21.5)
XYZ	xyz(19.0326, 11.5451, 5.3631)
Luminance	0.1154 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#AC343B #34ACA5

analogous

#AC3477 #AC343B #AC6934

triadic

#AC343B #3BAC34 #343BAC

tetradic

#AC343B #77AC34 #34ACA5 #6934AC

square

#AC343B #77AC34 #34ACA5 #6934AC

split-complementary

#AC343B #34AC69 #3477AC

monochromatic

#4E181B #7D262B #AC343B #CB5259 #D98186

Accessibility & contrast

On white

6.35

#AC343B on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.31

#AC343B on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #AC343B

6.35:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##AC343B	#FFFFFF	#000000	##FFFFFF
##AC343B	1.00	6.35	3.31	6.35
#FFFFFF	6.35	1.00	21.00	1.00
#000000	3.31	21.00	1.00	21.00
##FFFFFF	6.35	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#554F3A

Deuteranopia (green-blind)

#736938

Tritanopia (blue-blind)

#BD1238

Achromatopsia (no color)

#5F5F5F

Design tokens & code

CSS

--color: #ac343b;
/* rgb */ color: rgb(172, 52, 59);
/* oklch */ color: oklch(50.6% 0.156 21.5);

Tailwind

colors: {
  custom: {
    50: '#cc7371',
    500: '#ac343b',
    950: '#000000',
  },
}

SCSS

$custom: #ac343b;
$custom-light: #cc7371;
$custom-dark: #000000;

JSON

{
  "hex": "#ac343b",
  "rgb": {
    "r": 172,
    "g": 52,
    "b": 59
  },
  "hsl": {
    "h": 356.5,
    "s": 53.571,
    "l": 43.922
  },
  "oklch": {
    "l": 0.50592,
    "c": 0.15563,
    "h": 21.5
  },
  "luminance": 0.11542
}

Semantic roles & 50–950 ramp

primary

#AC343B

secondary

#79C2BE

accent

#DDD44B

background

#FDF7F6

surface

#FAEDEC

border

#D3C8C7

text

#150907

muted

#837B7A

Preview Lab

Preview with #AC343B

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

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