Recognised as Colour

#AC585F

#AC585F
Red
Dark
Nearest: Indian red

#AC585F is a red with RGB values 172, 88, 95 and HSL 355°, 34%, 51%. It is a dark colour, so white text on it reaches 4.9:1 contrast (AA for normal text). The nearest named colour is Indian red.

Colour values

#AC585F#AC585F

HEX#AC585F

RGBrgb(172, 88, 95)

RGB (0–1)0.6745, 0.3451, 0.3725

RGB percentages67.5%, 34.5%, 37.3%

HSLhsl(355, 33.6%, 51%)

HSV / HSBhsv(355, 48.8%, 67.5%)

CMYK0%, 48.8%, 44.8%, 32.5%≈naive device-independent conversion; real print needs an ICC profile

24-bit integer11,294,815

CSS custom property--colour: #AC585F;

Brightness & contrast

Relative luminance0.16576WCAG 2.x, 0 is black and 1 is white

Perceived brightness120.1 of 255ITU-R BT.601 weighting

Light or darkDark

Best text colour on this backgroundWhitecontrast 4.87:1

Contrast with white4.87:1WCAG normal text: AA

Contrast with black4.32:1WCAG normal text: Fail

Greyscale equivalent#6A6A6A

Inverted#53A7A0

Colour vision & accessibility

Normal vision Protanopia Deuteranopia Tritanopia

Protanopia#69675Fno red cones; affects about 1% of men; ΔE 36.7 from the original

Deuteranopia#7E785Dno green cones; the most common form, about 1% of men; ΔE 37.6 from the original

Tritanopia#BA4E5Bno blue cones; rare, and affects men and women equally; ΔE 10.2 from the original

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

Contrast with white, large text4.87:1WCAG large text: AAA

Contrast with black, large text4.32:1WCAG large text: AA

Named colours

Indian red · ΔE 15.4 Pale violetred · ΔE 20.2 Light coral · ΔE 21.5 Rosy brown · ΔE 24.5 Sienna · ΔE 24.8 Brown · ΔE 25.9

Nearest named CSS colourIndian red (#CD5C5C)ΔE 15.37, a distinctly different colour

Hue familyred

CSS keyword usableNo exact keyword

Colour harmonies

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

Complementary#58ACA5

Analogous#AC5889, #AC7B58

Triadic#5FAC58, #585FAC

Split complementary#58AC7B, #5889AC

Tetradic#89AC58, #58ACA5, #7B58AC

Tints, shades & saturation

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

Lighter +40%#F0E0E2

Lighter +30%#DFBEC1

Lighter +20%#CE9CA0

Lighter +10%#BD7A80

Darker −10%#8C454B

Darker −20%#6A3439

Darker −30%#472427

Darker −40%#251314

More saturated +25%#CB3945

Less saturated −25%#8D7779

Channel breakdown

R172

G88

B95

Red172 (67.5%)

Green88 (34.5%)

Blue95 (37.3%)

Hue355°

Saturation (HSL)33.6%

Lightness50.98%

Dominant channelRed

Hex per channelR AC · G 58 · B 5F

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Harmonies

Lighter and darker

Similar named colours

Also reads as

Ac585F (chemical formula)

Formula
132,813.998 g/mol
586 atoms

Ac585F has a molar mass of 132,813.998 g/mol, made up of 586 atoms across 2 elements: 585 × Ac, 1 × F.

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Molar mass

Molar mass132,813.998 g/mol

Total atoms per molecule586

Distinct elements2

Mass of one molecule2.2054283 × 10^-19 g

Molecules per gram4.5342666 × 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%

F0%

Actinium (Ac × 585)132,795 g/mol, 99.986%

Fluorine (F)18.998 g/mol, 0.014%

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