Recognised as Colour

#B1B1CD

#B1B1CD
Blue
Dark
Nearest: Light steelblue

#B1B1CD is a blue with RGB values 177, 177, 205 and HSL 240°, 22%, 75%. It is a dark colour, so black text on it reaches 10:1 contrast (AAA for normal text). The nearest named colour is Light steelblue.

Colour values

#B1B1CD#B1B1CD

HEX#B1B1CD

RGBrgb(177, 177, 205)

RGB (0–1)0.6941, 0.6941, 0.8039

RGB percentages69.4%, 69.4%, 80.4%

HSLhsl(240, 21.9%, 74.9%)

HSV / HSBhsv(240, 13.7%, 80.4%)

CMYK13.7%, 13.7%, 0%, 19.6%≈naive device-independent conversion; real print needs an ICC profile

24-bit integer11,645,389

CSS custom property--colour: #B1B1CD;

Brightness & contrast

Relative luminance0.45199WCAG 2.x, 0 is black and 1 is white

Perceived brightness180.4 of 255ITU-R BT.601 weighting

Light or darkDark

Best text colour on this backgroundBlackcontrast 10.04:1

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

Contrast with black10.04:1WCAG normal text: AAA

Greyscale equivalent#B3B3B3

Inverted#4E4E32

Colour vision & accessibility

Normal vision Protanopia Deuteranopia Tritanopia

Protanopia#ABB4CEno red cones; affects about 1% of men; ΔE 3.4 from the original

Deuteranopia#AAB2CCno green cones; the most common form, about 1% of men; ΔE 3 from the original

Tritanopia#ABB5BAno blue cones; rare, and affects men and women equally; ΔE 13.2 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 text10.04:1WCAG large text: AAA

Named colours

Light steelblue · ΔE 8.8 Thistle · ΔE 11.5 Dark grey · ΔE 15.7 Silver · ΔE 15.9 Light slate grey · ΔE 19.1 Light grey · ΔE 19.1

Nearest named CSS colourLight steelblue (#B0C4DE)ΔE 8.84, clearly different but related

Hue familyblue

CSS keyword usableNo exact keyword

Colour harmonies

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

Complementary#CDCDB1

Analogous#B1BFCD, #BFB1CD

Triadic#CDB1B1, #B1CDB1

Split complementary#CDBFB1, #BFCDB1

Tetradic#CDB1BF, #CDCDB1, #B1CDBF

Tints, shades & saturation

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

Lighter +40%#FFFFFF

Lighter +30%#FFFFFF

Lighter +20%#EFEFF5

Lighter +10%#D0D0E1

Darker −10%#9292B9

Darker −20%#7373A5

Darker −30%#59598C

Darker −40%#46466C

More saturated +25%#A1A1DD

Less saturated −25%#BFBFBF

Channel breakdown

R177

G177

B205

Red177 (69.4%)

Green177 (69.4%)

Blue205 (80.4%)

Hue240°

Saturation (HSL)21.88%

Lightness74.9%

Dominant channelBlue

Hex per channelR B1 · G B1 · B CD

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Harmonies

Lighter and darker

Similar named colours

Also reads as

B1B1Cd (chemical formula)

Formula
134.03 g/mol
3 atoms

B1B1Cd has a molar mass of 134.03 g/mol, made up of 3 atoms across 2 elements: 2 × B, 1 × Cd.

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Molar mass

Molar mass134.03 g/mol

Total atoms per molecule3

Distinct elements2

Mass of one molecule2.2256205 × 10^-22 g

Molecules per gram4.493129 × 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

B16.1%

Cd83.9%

Boron (B × 2)21.62 g/mol, 16.131%

Cadmium (Cd)112.41 g/mol, 83.869%

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Elements in this formula

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