Recognised as Colour

#AC2C41

#AC2C41
Red
Dark
Nearest: Brown

#AC2C41 is a red with RGB values 172, 44, 65 and HSL 350°, 59%, 42%. It is a dark colour, so white text on it reaches 6.6:1 contrast (AA for normal text). The nearest named colour is Brown.

Colour values

#AC2C41#AC2C41

HEX#AC2C41

RGBrgb(172, 44, 65)

RGB (0–1)0.6745, 0.1725, 0.2549

RGB percentages67.5%, 17.3%, 25.5%

HSLhsl(350.2, 59.3%, 42.4%)

HSV / HSBhsv(350.2, 74.4%, 67.5%)

CMYK0%, 74.4%, 62.2%, 32.5%≈naive device-independent conversion; real print needs an ICC profile

24-bit integer11,283,521

CSS custom property--colour: #AC2C41;

Brightness & contrast

Relative luminance0.10954WCAG 2.x, 0 is black and 1 is white

Perceived brightness102.3 of 255ITU-R BT.601 weighting

Light or darkDark

Best text colour on this backgroundWhitecontrast 6.58:1

Contrast with white6.58:1WCAG normal text: AA

Contrast with black3.19:1WCAG normal text: Fail

Greyscale equivalent#494949

Inverted#53D3BE

Colour vision & accessibility

Normal vision Protanopia Deuteranopia Tritanopia

Protanopia#4F4C41no red cones; affects about 1% of men; ΔE 55.2 from the original

Deuteranopia#70673Eno green cones; the most common form, about 1% of men; ΔE 55.7 from the original

Tritanopia#BD0035no blue cones; rare, and affects men and women equally; ΔE 15.3 from the original

Distinguishable without hueShifts in lightness toonever rely on hue alone to carry meaning

Contrast with white, large text6.58:1WCAG large text: AAA

Contrast with black, large text3.19:1WCAG large text: AA

Named colours

Brown · ΔE 11.9 Indian red · ΔE 16.1 Firebrick · ΔE 18.9 Maroon · ΔE 24 Crimson · ΔE 24.7 Dark red · ΔE 25

Nearest named CSS colourBrown (#A52A2A)ΔE 11.95, a distinctly different colour

Hue familyred

CSS keyword usableNo exact keyword

Colour harmonies

base +30°+90°+120°+180°+210°+240°+270°+330°

Complementary#2CAC97

Analogous#AC2C81, #AC572C

Triadic#41AC2C, #2C41AC

Split complementary#2CAC57, #2C81AC

Tetradic#81AC2C, #2CAC97, #572CAC

Tints, shades & saturation

+40%+30%+20%+10%base -10%-20%-30%-40%

Lighter +40%#EDB7C0

Lighter +30%#E28F9C

Lighter +20%#D86679

Lighter +10%#CE3E55

Darker −10%#832232

Darker −20%#5B1722

Darker −30%#320D13

Darker −40%#0A0204

More saturated +25%#C7112F

Less saturated −25%#914753

Channel breakdown

R172

G44

B65

Red172 (67.5%)

Green44 (17.3%)

Blue65 (25.5%)

Hue350.16°

Saturation (HSL)59.26%

Lightness42.35%

Dominant channelRed

Hex per channelR AC · G 2C · B 41

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Harmonies

Lighter and darker

Similar named colours

Also reads as

Ac2C41 (chemical formula)

Formula
946.451 g/mol
43 atoms

Ac2C41 has a molar mass of 946.451 g/mol, made up of 43 atoms across 2 elements: 2 × Ac, 41 × C.

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Molar mass

Molar mass946.451 g/mol

Total atoms per molecule43

Distinct elements2

Mass of one molecule1.5716189 × 10^-21 g

Molecules per gram6.3628659 × 10^20

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

Ac48%

C52%

Actinium (Ac × 2)454 g/mol, 47.969%

Carbon (C × 41)492.451 g/mol, 52.031%

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