#AC3723#AC3723

#AC3723 is a mid, vivid red. Relative luminance 0.116; OKLCH L 50.6% C 0.156 H 32.2°. Best body text is #FFFFFF at 6.32:1 contrast (WCAG AA passes).

Color values

HEX	#AC3723
RGB	rgb(172, 55, 35)
HSL	hsl(9, 66%, 41%)
HSV	hsv(9, 80%, 67%)
CMYK	cmyk(0%, 68%, 79.7%, 32.5%)
CIE-LAB	lab(40.62, 46.69, 38.23)
CIE-LCH	lch(40.62, 60.34, 39.31°)
OKLab	oklab(50.59% 0.1324 0.0832)
OKLCH	oklch(50.59% 0.156 32.2)
XYZ	xyz(18.6849, 11.6272, 2.8502)
Luminance	0.1162 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#AC3723 #2398AC

analogous

#AC2353 #AC3723 #AC7B23

triadic

#AC3723 #23AC37 #3723AC

tetradic

#AC3723 #53AC23 #2398AC #7B23AC

square

#AC3723 #53AC23 #2398AC #7B23AC

split-complementary

#AC3723 #23AC7B #2353AC

monochromatic

#46160E #792719 #AC3723 #D64D36 #E07A69

Accessibility & contrast

On white

6.32

#AC3723 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.32

#AC3723 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #AC3723

6.32:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##AC3723	#FFFFFF	#000000	##FFFFFF
##AC3723	1.00	6.32	3.32	6.32
#FFFFFF	6.32	1.00	21.00	1.00
#000000	3.32	21.00	1.00	21.00
##FFFFFF	6.32	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#594F20

Deuteranopia (green-blind)

#76691E

Tritanopia (blue-blind)

#BE1133

Achromatopsia (no color)

#606060

Design tokens & code

CSS

--color: #ac3723;
/* rgb */ color: rgb(172, 55, 35);
/* oklch */ color: oklch(50.6% 0.156 32.2);

Tailwind

colors: {
  custom: {
    50: '#cd745f',
    500: '#ac3723',
    950: '#000000',
  },
}

SCSS

$custom: #ac3723;
$custom-light: #cd745f;
$custom-dark: #000000;

JSON

{
  "hex": "#ac3723",
  "rgb": {
    "r": 172,
    "g": 55,
    "b": 35
  },
  "hsl": {
    "h": 8.759,
    "s": 66.184,
    "l": 40.588
  },
  "oklch": {
    "l": 0.5059,
    "c": 0.15633,
    "h": 32.2
  },
  "luminance": 0.11624
}

Semantic roles & 50–950 ramp

primary

#AC3723

secondary

#64B8C6

accent

#D0E93F

background

#FDF7F5

surface

#FBEDE9

border

#D4C8C5

text

#150905

muted

#837B79

Preview Lab

Preview with #AC3723

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

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