Colour

#668FE2

#668FE2
Blue
Dark
Nearest: Cornflower blue

#668FE2 is a blue with RGB values 102, 143, 226 and HSL 220°, 68%, 64%. It is a dark colour, so black text on it reaches 6.6:1 contrast (AA for normal text). The nearest named colour is Cornflower blue.

Colour values

#668FE2#668FE2

HEX#668FE2

RGBrgb(102, 143, 226)

RGB (0–1)0.4, 0.5608, 0.8863

RGB percentages40%, 56.1%, 88.6%

HSLhsl(220.2, 68.1%, 64.3%)

HSV / HSBhsv(220.2, 54.9%, 88.6%)

CMYK54.9%, 36.7%, 0%, 11.4%≈naive device-independent conversion; real print needs an ICC profile

24-bit integer6,721,506

CSS custom property--colour: #668FE2;

Brightness & contrast

Relative luminance0.27961WCAG 2.x, 0 is black and 1 is white

Perceived brightness144.7 of 255ITU-R BT.601 weighting

Light or darkDark

Best text colour on this backgroundBlackcontrast 6.59:1

Contrast with white3.19:1WCAG normal text: Fail

Contrast with black6.59:1WCAG normal text: AA

Greyscale equivalent#8C8C8C

Inverted#99701D

Colour vision & accessibility

Normal vision Protanopia Deuteranopia Tritanopia

Protanopia#6D96E5no red cones; affects about 1% of men; ΔE 3.7 from the original

Deuteranopia#5E8BE0no green cones; the most common form, about 1% of men; ΔE 2.2 from the original

Tritanopia#19A1AEno blue cones; rare, and affects men and women equally; ΔE 48.9 from the original

Distinguishable without hueYesnever rely on hue alone to carry meaning

Contrast with white, large text3.19:1WCAG large text: AA

Contrast with black, large text6.59:1WCAG large text: AAA

Named colours

Cornflower blue · ΔE 3.5 Dodgerblue · ΔE 16.9 Steel blue · ΔE 21.2 Medium purple · ΔE 27.7 Royal blue · ΔE 27.7 Deep skyblue · ΔE 30.5

Nearest named CSS colourCornflower blue (#6495ED)ΔE 3.52, a close match

Hue familyblue

CSS keyword usableNo exact keyword

Colour harmonies

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

Complementary#E2B966

Analogous#66CDE2, #7B66E2

Triadic#E2668F, #8FE266

Split complementary#E27B66, #CDE266

Tetradic#E266CD, #E2B966, #66E27B

Tints, shades & saturation

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

Lighter +40%#FFFFFF

Lighter +30%#E7EDFA

Lighter +20%#BCCEF2

Lighter +10%#91AEEA

Darker −10%#3B70DA

Darker −20%#2457BE

Darker −30%#1C4393

Darker −40%#143068

More saturated +25%#4F87F9

Less saturated −25%#7D97CB

Channel breakdown

R102

G143

B226

Red102 (40%)

Green143 (56.1%)

Blue226 (88.6%)

Hue220.16°

Saturation (HSL)68.13%

Lightness64.31%

Dominant channelBlue

Hex per channelR 66 · G 8F · B E2

Keep nerding

Every link below is a page Nerdulator can generate from what it already knows about this value.

#668FE2

Colour values

Brightness & contrast

Colour vision & accessibility

Named colours

Colour harmonies

Tints, shades & saturation

Channel breakdown

Keep nerding

Harmonies

Lighter and darker

Similar named colours

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