#AC3E27#AC3E27

#AC3E27 is a mid, vivid red. Relative luminance 0.124; OKLCH L 51.5% C 0.149 H 33.6°. Best body text is #FFFFFF at 6.05:1 contrast (WCAG AA passes).

Color values

HEX	#AC3E27
RGB	rgb(172, 62, 39)
HSL	hsl(10, 63%, 41%)
HSV	hsv(10, 77%, 67%)
CMYK	cmyk(0%, 64%, 77.3%, 32.5%)
CIE-LAB	lab(41.79, 43.79, 37.28)
CIE-LCH	lch(41.79, 57.51, 40.41°)
OKLab	oklab(51.49% 0.1241 0.0823)
OKLCH	oklch(51.49% 0.149 33.6)
XYZ	xyz(19.1042, 12.3651, 3.2998)
Luminance	0.1236 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#AC3E27 #2795AC

analogous

#AC2753 #AC3E27 #AC8127

triadic

#AC3E27 #27AC3E #3E27AC

tetradic

#AC3E27 #53AC27 #2795AC #8127AC

square

#AC3E27 #53AC27 #2795AC #8127AC

split-complementary

#AC3E27 #27AC81 #2753AC

monochromatic

#481A10 #7A2C1C #AC3E27 #D3573D #DE826F

Accessibility & contrast

On white

6.05

#AC3E27 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.47

#AC3E27 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #AC3E27

6.05:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##AC3E27	#FFFFFF	#000000	##FFFFFF
##AC3E27	1.00	6.05	3.47	6.05
#FFFFFF	6.05	1.00	21.00	1.00
#000000	3.47	21.00	1.00	21.00
##FFFFFF	6.05	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#5D5324

Deuteranopia (green-blind)

#786C23

Tritanopia (blue-blind)

#BD2139

Achromatopsia (no color)

#636363

Design tokens & code

CSS

--color: #ac3e27;
/* rgb */ color: rgb(172, 62, 39);
/* oklch */ color: oklch(51.5% 0.149 33.6);

Tailwind

colors: {
  custom: {
    50: '#cd7863',
    500: '#ac3e27',
    950: '#000000',
  },
}

SCSS

$custom: #ac3e27;
$custom-light: #cd7863;
$custom-dark: #000000;

JSON

{
  "hex": "#ac3e27",
  "rgb": {
    "r": 172,
    "g": 62,
    "b": 39
  },
  "hsl": {
    "h": 10.376,
    "s": 63.033,
    "l": 41.373
  },
  "oklch": {
    "l": 0.51485,
    "c": 0.14892,
    "h": 33.6
  },
  "luminance": 0.12362
}

Semantic roles & 50–950 ramp

primary

#AC3E27

secondary

#6AB5C5

accent

#CAE642

background

#FDF7F5

surface

#FBEEEA

border

#D4C9C6

text

#150905

muted

#837B79

Preview Lab

Preview with #AC3E27

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

Preview Lab → · Contrast checker → · Palette generator →