#AC3623#AC3623

#AC3623 is a mid, vivid red. Relative luminance 0.115; OKLCH L 50.5% C 0.157 H 31.8°. Best body text is #FFFFFF at 6.35:1 contrast (WCAG AA passes).

Color values

HEX	#AC3623
RGB	rgb(172, 54, 35)
HSL	hsl(8, 66%, 41%)
HSV	hsv(8, 80%, 67%)
CMYK	cmyk(0%, 68.6%, 79.7%, 32.5%)
CIE-LAB	lab(40.46, 47.10, 38.08)
CIE-LCH	lch(40.46, 60.57, 38.95°)
OKLab	oklab(50.48% 0.1336 0.0829)
OKLCH	oklch(50.48% 0.157 31.8)
XYZ	xyz(18.6379, 11.5331, 2.8345)
Luminance	0.1153 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#AC3623 #2399AC

analogous

#AC2354 #AC3623 #AC7A23

triadic

#AC3623 #23AC36 #3623AC

tetradic

#AC3623 #54AC23 #2399AC #7A23AC

square

#AC3623 #54AC23 #2399AC #7A23AC

split-complementary

#AC3623 #23AC7A #2354AC

monochromatic

#46160E #792619 #AC3623 #D64C36 #E07A69

Accessibility & contrast

On white

6.35

#AC3623 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.31

#AC3623 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #AC3623

6.35:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##AC3623	#FFFFFF	#000000	##FFFFFF
##AC3623	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)

#584F20

Deuteranopia (green-blind)

#75691E

Tritanopia (blue-blind)

#BE0E33

Achromatopsia (no color)

#5F5F5F

Design tokens & code

CSS

--color: #ac3623;
/* rgb */ color: rgb(172, 54, 35);
/* oklch */ color: oklch(50.5% 0.157 31.8);

Tailwind

colors: {
  custom: {
    50: '#cd745f',
    500: '#ac3623',
    950: '#000000',
  },
}

SCSS

$custom: #ac3623;
$custom-light: #cd745f;
$custom-dark: #000000;

JSON

{
  "hex": "#ac3623",
  "rgb": {
    "r": 172,
    "g": 54,
    "b": 35
  },
  "hsl": {
    "h": 8.321,
    "s": 66.184,
    "l": 40.588
  },
  "oklch": {
    "l": 0.50475,
    "c": 0.15725,
    "h": 31.8
  },
  "luminance": 0.1153
}

Semantic roles & 50–950 ramp

primary

#AC3623

secondary

#64B9C6

accent

#D1E93F

background

#FDF7F5

surface

#FBEDE9

border

#D4C8C5

text

#150905

muted

#837B79

Preview Lab

Preview with #AC3623

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

Preview Lab → · Contrast checker → · Palette generator →