#AC2B20#AC2B20

#AC2B20 is a mid, vivid red. Relative luminance 0.106; OKLCH L 49.3% C 0.167 H 29.4°. Best body text is #FFFFFF at 6.73:1 contrast (WCAG AA passes).

Color values

HEX	#AC2B20
RGB	rgb(172, 43, 32)
HSL	hsl(5, 69%, 40%)
HSV	hsv(5, 81%, 67%)
CMYK	cmyk(0%, 75%, 81.4%, 32.5%)
CIE-LAB	lab(38.91, 51.20, 38.14)
CIE-LCH	lch(38.91, 63.85, 36.69°)
OKLab	oklab(49.3% 0.1458 0.082)
OKLCH	oklch(49.3% 0.167 29.4)
XYZ	xyz(18.1400, 10.6056, 2.4581)
Luminance	0.1060 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#AC2B20 #20A1AC

analogous

#AC205B #AC2B20 #AC7120

triadic

#AC2B20 #20AC2B #2B20AC

tetradic

#AC2B20 #5BAC20 #20A1AC #7120AC

square

#AC2B20 #5BAC20 #20A1AC #7120AC

split-complementary

#AC2B20 #20AC71 #205BAC

monochromatic

#45110D #781E16 #AC2B20 #D93E31 #E26E64

Accessibility & contrast

On white

6.73

#AC2B20 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.12

#AC2B20 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #AC2B20

6.73:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##AC2B20	#FFFFFF	#000000	##FFFFFF
##AC2B20	1.00	6.73	3.12	6.73
#FFFFFF	6.73	1.00	21.00	1.00
#000000	3.12	21.00	1.00	21.00
##FFFFFF	6.73	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#524A1D

Deuteranopia (green-blind)

#72661A

Tritanopia (blue-blind)

#BE002A

Achromatopsia (no color)

#5C5C5C

Design tokens & code

CSS

--color: #ac2b20;
/* rgb */ color: rgb(172, 43, 32);
/* oklch */ color: oklch(49.3% 0.167 29.4);

Tailwind

colors: {
  custom: {
    50: '#ce6f5d',
    500: '#ac2b20',
    950: '#000000',
  },
}

SCSS

$custom: #ac2b20;
$custom-light: #ce6f5d;
$custom-dark: #000000;

JSON

{
  "hex": "#ac2b20",
  "rgb": {
    "r": 172,
    "g": 43,
    "b": 32
  },
  "hsl": {
    "h": 4.714,
    "s": 68.627,
    "l": 40
  },
  "oklch": {
    "l": 0.49302,
    "c": 0.16732,
    "h": 29.4
  },
  "luminance": 0.10603
}

Semantic roles & 50–950 ramp

primary

#AC2B20

secondary

#60BFC7

accent

#DEEB3C

background

#FDF7F5

surface

#FBEDE9

border

#D4C8C5

text

#150804

muted

#837B79

Preview Lab

Preview with #AC2B20

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

Preview Lab → · Contrast checker → · Palette generator →