Recognised as Colour

#ACB3CB

#ACB3CB
Blue
Dark
Nearest: Light steelblue

#ACB3CB is a blue with RGB values 172, 179, 203 and HSL 226°, 23%, 74%. It is a dark colour, so black text on it reaches 10.1:1 contrast (AAA for normal text). The nearest named colour is Light steelblue.

Colour values

#ACB3CB#ACB3CB

HEX#ACB3CB

RGBrgb(172, 179, 203)

RGB (0–1)0.6745, 0.702, 0.7961

RGB percentages67.5%, 70.2%, 79.6%

HSLhsl(226.5, 23%, 73.5%)

HSV / HSBhsv(226.5, 15.3%, 79.6%)

CMYK15.3%, 11.8%, 0%, 20.4%≈naive device-independent conversion; real print needs an ICC profile

24-bit integer11,318,219

CSS custom property--colour: #ACB3CB;

Brightness & contrast

Relative luminance0.45323WCAG 2.x, 0 is black and 1 is white

Perceived brightness179.9 of 255ITU-R BT.601 weighting

Light or darkDark

Best text colour on this backgroundBlackcontrast 10.06:1

Contrast with white2.09:1WCAG normal text: Fail

Contrast with black10.06:1WCAG normal text: AAA

Greyscale equivalent#B3B3B3

Inverted#534C34

Colour vision & accessibility

Normal vision Protanopia Deuteranopia Tritanopia

Protanopia#ACB5CCno red cones; affects about 1% of men; ΔE 1.1 from the original

Deuteranopia#AAB2CAno green cones; the most common form, about 1% of men; ΔE 0.6 from the original

Tritanopia#A5B7BBno blue cones; rare, and affects men and women equally; ΔE 11.8 from the original

Distinguishable without hueYesnever rely on hue alone to carry meaning

Contrast with white, large text2.09:1WCAG large text: Fail

Contrast with black, large text10.06:1WCAG large text: AAA

Named colours

Light steelblue · ΔE 6.9 Thistle · ΔE 13.4 Dark grey · ΔE 13.7 Silver · ΔE 14 Light blue · ΔE 17.2 Light grey · ΔE 17.5

Nearest named CSS colourLight steelblue (#B0C4DE)ΔE 6.9, clearly different but related

Hue familyblue

CSS keyword usableNo exact keyword

Colour harmonies

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

Complementary#CBC4AC

Analogous#ACC3CB, #B5ACCB

Triadic#CBACB3, #B3CBAC

Split complementary#CBB5AC, #C3CBAC

Tetradic#CBACC2, #CBC4AC, #ACCBB5

Tints, shades & saturation

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

Lighter +40%#FFFFFF

Lighter +30%#FFFFFF

Lighter +20%#EBECF2

Lighter +10%#CBD0DF

Darker −10%#8D96B7

Darker −20%#6D7AA4

Darker −30%#566188

Darker −40%#424B69

More saturated +25%#9BAADC

Less saturated −25%#BCBCBC

Channel breakdown

R172

G179

B203

Red172 (67.5%)

Green179 (70.2%)

Blue203 (79.6%)

Hue226.45°

Saturation (HSL)22.96%

Lightness73.53%

Dominant channelBlue

Hex per channelR AC · G B3 · B CB

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Harmonies

Lighter and darker

Similar named colours

Also reads as

AcB3CB (chemical formula)

Formula
282.251 g/mol
6 atoms

AcB3CB has a molar mass of 282.251 g/mol, made up of 6 atoms across 3 elements: 1 × Ac, 4 × B, 1 × C.

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Molar mass

Molar mass282.251 g/mol

Total atoms per molecule6

Distinct elements3

Mass of one molecule4.6868881 × 10^-22 g

Molecules per gram2.1336118 × 10^21

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

Ac80.4%

B15.3%

C4.3%

Actinium (Ac)227 g/mol, 80.425%

Boron (B × 4)43.24 g/mol, 15.32%

Carbon (C)12.011 g/mol, 4.255%

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Elements in this formula

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