Recognised as Colour
#AC2627
- #AC2627
- Red
- Dark
- Nearest: Brown
#AC2627 is a red with RGB values 172, 38, 39 and HSL 360°, 64%, 41%. It is a dark colour, so white text on it reaches 6.9:1 contrast (AA for normal text). The nearest named colour is Brown.
Colour values
#AC2627#AC2627
HEX#AC2627
RGBrgb(172, 38, 39)
RGB (0–1)0.6745, 0.149, 0.1529
RGB percentages67.5%, 14.9%, 15.3%
HSLhsl(359.6, 63.8%, 41.2%)
HSV / HSBhsv(359.6, 77.9%, 67.5%)
CMYK0%, 77.9%, 77.3%, 32.5%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer11,281,959
CSS custom property--colour: #AC2627;
Brightness & contrast
Relative luminance0.10303WCAG 2.x, 0 is black and 1 is white
Perceived brightness99.3 of 255ITU-R BT.601 weighting
Light or darkDark
Best text colour on this backgroundWhitecontrast 6.86:1
Contrast with white6.86:1WCAG normal text: AA
Contrast with black3.06:1WCAG normal text: Fail
Greyscale equivalent#434343
Inverted#53D9D8
Colour vision & accessibility
Distinguishable without hueShifts in lightness toonever rely on hue alone to carry meaning
Contrast with white, large text6.86:1WCAG large text: AAA
Contrast with black, large text3.06:1WCAG large text: AA
Named colours
Hue familyred
CSS keyword usableNo exact keyword
Colour harmonies
Complementary#26ACAB
Analogous#AC266A, #AC6826
Triadic#27AC26, #2627AC
Split complementary#26AC68, #266AAC
Tetradic#6AAC26, #26ACAB, #6826AC
Tints, shades & saturation
Channel breakdown
R172
G38
B39
Red172 (67.5%)
Green38 (14.9%)
Blue39 (15.3%)
Hue359.55°
Saturation (HSL)63.81%
Lightness41.18%
Dominant channelRed
Hex per channelR AC · G 26 · B 27
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Also reads as
Ac2627 (chemical formula)
- Formula
- 596,329 g/mol
- 2627 atoms
Ac2627 has a molar mass of 596,329 g/mol, made up of 2627 atoms across 1 element: 2627 × Ac.
Molar mass
Molar mass596,329 g/mol
Total atoms per molecule2627
Distinct elements1
Mass of one molecule9.902276 × 10^-19 g
Molecules per gram1.0098688 × 10^18
Name
NameNot in the name tablea name cannot be worked out from a formula alone: isomers share formulas, and naming depends on bonding the formula does not show
Composition by mass
Ac100%
Actinium (Ac × 2627)596,329 g/mol, 100%
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