Recognised as Colour

#BCB4DB

#BCB4DB
Blue
Dark
Nearest: Thistle

#BCB4DB is a blue with RGB values 188, 180, 219 and HSL 252°, 35%, 78%. It is a dark colour, so black text on it reaches 10.7:1 contrast (AAA for normal text). The nearest named colour is Thistle.

Colour values

#BCB4DB#BCB4DB

HEX#BCB4DB

RGBrgb(188, 180, 219)

RGB (0–1)0.7373, 0.7059, 0.8588

RGB percentages73.7%, 70.6%, 85.9%

HSLhsl(252.3, 35.1%, 78.2%)

HSV / HSBhsv(252.3, 17.8%, 85.9%)

CMYK14.2%, 17.8%, 0%, 14.1%≈naive device-independent conversion; real print needs an ICC profile

24-bit integer12,367,067

CSS custom property--colour: #BCB4DB;

Brightness & contrast

Relative luminance0.48448WCAG 2.x, 0 is black and 1 is white

Perceived brightness187.2 of 255ITU-R BT.601 weighting

Light or darkDark

Best text colour on this backgroundBlackcontrast 10.69:1

Contrast with white1.96:1WCAG normal text: Fail

Contrast with black10.69:1WCAG normal text: AAA

Greyscale equivalent#B9B9B9

Inverted#434B24

Colour vision & accessibility

Normal vision Protanopia Deuteranopia Tritanopia

Protanopia#ACB9DDno red cones; affects about 1% of men; ΔE 7.4 from the original

Deuteranopia#ADB8DAno green cones; the most common form, about 1% of men; ΔE 7.2 from the original

Tritanopia#B6BAC1no blue cones; rare, and affects men and women equally; ΔE 18 from the original

Distinguishable without hueYesnever rely on hue alone to carry meaning

Contrast with white, large text1.96:1WCAG large text: Fail

Contrast with black, large text10.69:1WCAG large text: AAA

Named colours

Thistle · ΔE 10.9 Light steelblue · ΔE 12.7 Lavender · ΔE 20.1 Silver · ΔE 21.5 Dark grey · ΔE 22.1 Plum · ΔE 22.4

Nearest named CSS colourThistle (#D8BFD8)ΔE 10.9, a distinctly different colour

Hue familyblue

CSS keyword usableNo exact keyword

Colour harmonies

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

Complementary#D3DBB4

Analogous#B4BFDB, #D0B4DB

Triadic#DBBCB4, #B4DBBC

Split complementary#DBD0B4, #C0DBB4

Tetradic#DBB4BF, #D3DBB4, #B4DBD0

Tints, shades & saturation

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

Lighter +40%#FFFFFF

Lighter +30%#FFFFFF

Lighter +20%#FAF9FC

Lighter +10%#DBD6EC

Darker −10%#9D92CA

Darker −20%#7E6FBA

Darker −30%#6250A6

Darker −40%#4D3F84

More saturated +25%#B4A6E9

Less saturated −25%#C4C2CD

Channel breakdown

R188

G180

B219

Red188 (73.7%)

Green180 (70.6%)

Blue219 (85.9%)

Hue252.31°

Saturation (HSL)35.14%

Lightness78.24%

Dominant channelBlue

Hex per channelR BC · G B4 · B DB

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Harmonies

Lighter and darker

Similar named colours

Also reads as

BCB4Db (chemical formula)

Formula
334.061 g/mol
7 atoms

BCB4Db has a molar mass of 334.061 g/mol, made up of 7 atoms across 3 elements: 5 × B, 1 × C, 1 × Db.

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Molar mass

Molar mass334.061 g/mol

Total atoms per molecule7

Distinct elements3

Mass of one molecule5.5472134 × 10^-22 g

Molecules per gram1.8027069 × 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

B16.2%

C3.6%

Db80.2%

Boron (B × 5)54.05 g/mol, 16.18%

Carbon (C)12.011 g/mol, 3.595%

Dubnium (Db)268 g/mol, 80.225%

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Elements in this formula

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