#AC2B1E#AC2B1E

#AC2B1E is a mid, vivid red. Relative luminance 0.106; OKLCH L 49.3% C 0.168 H 29.9°. Best body text is #FFFFFF at 6.73:1 contrast (WCAG AA passes).

Color values

HEX	#AC2B1E
RGB	rgb(172, 43, 30)
HSL	hsl(5, 70%, 40%)
HSV	hsv(5, 83%, 67%)
CMYK	cmyk(0%, 75%, 82.6%, 32.5%)
CIE-LAB	lab(38.89, 51.14, 39.20)
CIE-LCH	lch(38.89, 64.43, 37.47°)
OKLab	oklab(49.28% 0.1453 0.0836)
OKLCH	oklch(49.28% 0.168 29.9)
XYZ	xyz(18.1137, 10.5950, 2.3193)
Luminance	0.1059 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#AC2B1E #1E9FAC

analogous

#AC1E58 #AC2B1E #AC721E

triadic

#AC2B1E #1EAC2B #2B1EAC

tetradic

#AC2B1E #58AC1E #1E9FAC #721EAC

square

#AC2B1E #58AC1E #1E9FAC #721EAC

split-complementary

#AC2B1E #1EAC72 #1E58AC

monochromatic

#44110C #781E15 #AC2B1E #DA3D2D #E36D61

Accessibility & contrast

On white

6.73

#AC2B1E on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.12

#AC2B1E on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #AC2B1E

6.73:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##AC2B1E	#FFFFFF	#000000	##FFFFFF
##AC2B1E	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)

#53491B

Deuteranopia (green-blind)

#726617

Tritanopia (blue-blind)

#BE0029

Achromatopsia (no color)

#5C5C5C

Design tokens & code

CSS

--color: #ac2b1e;
/* rgb */ color: rgb(172, 43, 30);
/* oklch */ color: oklch(49.3% 0.168 29.9);

Tailwind

colors: {
  custom: {
    50: '#ce6f5c',
    500: '#ac2b1e',
    950: '#000000',
  },
}

SCSS

$custom: #ac2b1e;
$custom-light: #ce6f5c;
$custom-dark: #000000;

JSON

{
  "hex": "#ac2b1e",
  "rgb": {
    "r": 172,
    "g": 43,
    "b": 30
  },
  "hsl": {
    "h": 5.493,
    "s": 70.297,
    "l": 39.608
  },
  "oklch": {
    "l": 0.49283,
    "c": 0.16761,
    "h": 29.9
  },
  "luminance": 0.10592
}

Semantic roles & 50–950 ramp

primary

#AC2B1E

secondary

#5EBEC8

accent

#DDED3B

background

#FDF7F5

surface

#FBEDE9

border

#D4C8C5

text

#160804

muted

#847B79

Preview Lab

Preview with #AC2B1E

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

Preview Lab → · Contrast checker → · Palette generator →