Recognised as Colour

#C9CDF2

#C9CDF2
Blue
Light
Nearest: Light steelblue

#C9CDF2 is a blue with RGB values 201, 205, 242 and HSL 234°, 61%, 87%. It is a light colour, so black text on it reaches 13.5:1 contrast (AAA for normal text). The nearest named colour is Light steelblue.

Colour values

#C9CDF2#C9CDF2

HEX#C9CDF2

RGBrgb(201, 205, 242)

RGB (0–1)0.7882, 0.8039, 0.949

RGB percentages78.8%, 80.4%, 94.9%

HSLhsl(234.1, 61.2%, 86.9%)

HSV / HSBhsv(234.1, 16.9%, 94.9%)

CMYK16.9%, 15.3%, 0%, 5.1%≈naive device-independent conversion; real print needs an ICC profile

24-bit integer13,225,458

CSS custom property--colour: #C9CDF2;

Brightness & contrast

Relative luminance0.62491WCAG 2.x, 0 is black and 1 is white

Perceived brightness208.4 of 255ITU-R BT.601 weighting

Light or darkLight

Best text colour on this backgroundBlackcontrast 13.5:1

Contrast with white1.56:1WCAG normal text: Fail

Contrast with black13.5:1WCAG normal text: AAA

Greyscale equivalent#CFCFCF

Inverted#36320D

Colour vision & accessibility

Normal vision Protanopia Deuteranopia Tritanopia

Protanopia#C4D1F4no red cones; affects about 1% of men; ΔE 3.3 from the original

Deuteranopia#C2CEF1no green cones; the most common form, about 1% of men; ΔE 2.9 from the original

Tritanopia#C0D3D9no blue cones; rare, and affects men and women equally; ΔE 17.5 from the original

Distinguishable without hueYesnever rely on hue alone to carry meaning

Contrast with white, large text1.56:1WCAG large text: Fail

Contrast with black, large text13.5:1WCAG large text: AAA

Named colours

Light steelblue · ΔE 9.3 Thistle · ΔE 12.2 Lavender · ΔE 12.7 Light blue · ΔE 18.4 Light grey · ΔE 19.6 Light skyblue · ΔE 19.8

Nearest named CSS colourLight steelblue (#B0C4DE)ΔE 9.35, clearly different but related

Hue familyblue

CSS keyword usableNo exact keyword

Colour harmonies

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

Complementary#F2EEC9

Analogous#C9E2F2, #DAC9F2

Triadic#F2C9CD, #CDF2C9

Split complementary#F2DAC9, #E2F2C9

Tetradic#F2C9E2, #F2EEC9, #C9F2DA

Tints, shades & saturation

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

Lighter +40%#FFFFFF

Lighter +30%#FFFFFF

Lighter +20%#FFFFFF

Lighter +10%#F2F3FC

Darker −10%#A0A7E8

Darker −20%#7781DE

Darker −30%#4E5BD4

Darker −40%#2E3DC1

More saturated +25%#C1C6FA

Less saturated −25%#D1D4EA

Channel breakdown

R201

G205

B242

Red201 (78.8%)

Green205 (80.4%)

Blue242 (94.9%)

Hue234.15°

Saturation (HSL)61.19%

Lightness86.86%

Dominant channelBlue

Hex per channelR C9 · G CD · B F2

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Harmonies

Lighter and darker

Similar named colours

Also reads as

C9CdF2 (chemical formula)

Formula
258.505 g/mol
12 atoms

C9CdF2 has a molar mass of 258.505 g/mol, made up of 12 atoms across 3 elements: 9 × C, 1 × Cd, 2 × F.

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Molar mass

Molar mass258.505 g/mol

Total atoms per molecule12

Distinct elements3

Mass of one molecule4.2925765 × 10^-22 g

Molecules per gram2.3296032 × 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

C41.8%

Cd43.5%

F14.7%

Carbon (C × 9)108.099 g/mol, 41.817%

Cadmium (Cd)112.41 g/mol, 43.485%

Fluorine (F × 2)37.996 g/mol, 14.698%

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