#AC2E21#AC2E21

#AC2E21 is a mid, vivid red. Relative luminance 0.108; OKLCH L 49.6% C 0.165 H 29.9°. Best body text is #FFFFFF at 6.63:1 contrast (WCAG AA passes).

Color values

HEX#AC2E21
RGBrgb(172, 46, 33)
HSLhsl(6, 68%, 40%)
HSVhsv(6, 81%, 67%)
CMYKcmyk(0%, 73.3%, 80.8%, 32.5%)
CIE-LABlab(39.31, 50.16, 37.99)
CIE-LCHlch(39.31, 62.93, 37.14°)
OKLaboklab(49.6% 0.1428 0.082)
OKLCHoklch(49.6% 0.165 29.9)
XYZxyz(18.2669, 10.8373, 2.5685)
Luminance0.1083 (WCAG relative)
Temperaturewarm
Familyred

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#AC2E21 #219FAC
analogous
#AC2159 #AC2E21 #AC7421
triadic
#AC2E21 #21AC2E #2E21AC
tetradic
#AC2E21 #59AC21 #219FAC #7421AC
square
#AC2E21 #59AC21 #219FAC #7421AC
split-complementary
#AC2E21 #21AC74 #2159AC
monochromatic
#45130D #792017 #AC2E21 #D84232 #E27166

Accessibility & contrast

On white

6.63
#AC2E21 on #FFFFFF
AA ✓AA large ✓AAA ✗

On black

3.17
#AC2E21 on #000000
AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #AC2E21
6.63:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##AC2E21#FFFFFF#000000##FFFFFF
##AC2E211.006.633.176.63
#FFFFFF6.631.0021.001.00
#0000003.1721.001.0021.00
##FFFFFF6.631.0021.001.00

Color blindness preview

Protanopia (red-blind)
#544B1E
Deuteranopia (green-blind)
#73671B
Tritanopia (blue-blind)
#BE002C
Achromatopsia (no color)
#5D5D5D

Design tokens & code

CSS
--color: #ac2e21;
/* rgb */ color: rgb(172, 46, 33);
/* oklch */ color: oklch(49.6% 0.165 29.9);
Tailwind
colors: {
  custom: {
    50: '#ce705e',
    500: '#ac2e21',
    950: '#000000',
  },
}
SCSS
$custom: #ac2e21;
$custom-light: #ce705e;
$custom-dark: #000000;
JSON
{
  "hex": "#ac2e21",
  "rgb": {
    "r": 172,
    "g": 46,
    "b": 33
  },
  "hsl": {
    "h": 5.612,
    "s": 67.805,
    "l": 40.196
  },
  "oklch": {
    "l": 0.49602,
    "c": 0.16467,
    "h": 29.9
  },
  "luminance": 0.10834
}

Semantic roles & 50–950 ramp

primary
#AC2E21
secondary
#62BEC7
accent
#DAEB3D
background
#FDF7F5
surface
#FBEDE9
border
#D4C8C5
text
#150804
muted
#837B79

Preview Lab

Preview with #AC2E21

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

Preview Lab → · Contrast checker → · Palette generator →

#AC2E21 Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva