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Recognised as Colour

#66BAEC

  • #66BAEC
  • Blue
  • Dark
  • Nearest: Light skyblue

#66BAEC is a blue with RGB values 102, 186, 236 and HSL 202°, 78%, 66%. It is a dark colour, so black text on it reaches 9.8:1 contrast (AAA for normal text). The nearest named colour is Light skyblue.

Colour values

#66BAEC#66BAEC
HEX#66BAEC
RGBrgb(102, 186, 236)
RGB (0–1)0.4, 0.7294, 0.9255
RGB percentages40%, 72.9%, 92.5%
HSLhsl(202.4, 77.9%, 66.3%)
HSV / HSBhsv(202.4, 56.8%, 92.5%)
CMYK56.8%, 21.2%, 0%, 7.5%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer6,732,524
CSS custom property--colour: #66BAEC;

Brightness & contrast

Relative luminance0.43999WCAG 2.x, 0 is black and 1 is white
Perceived brightness172.5 of 255ITU-R BT.601 weighting
Light or darkDark
Best text colour on this backgroundBlackcontrast 9.8:1
Contrast with white2.14:1WCAG normal text: Fail
Contrast with black9.8:1WCAG normal text: AAA
Greyscale equivalent#ACACAC
Inverted#994513

Colour vision & accessibility

Normal visionProtanopiaDeuteranopiaTritanopia
Protanopia#A3B9EEno red cones; affects about 1% of men; ΔE 16.7 from the original
Deuteranopia#90ABEBno green cones; the most common form, about 1% of men; ΔE 18 from the original
Tritanopia#00C7CBno blue cones; rare, and affects men and women equally; ΔE 33.2 from the original
Distinguishable without hueYesnever rely on hue alone to carry meaning
Contrast with white, large text2.14:1WCAG large text: Fail
Contrast with black, large text9.8:1WCAG large text: AAA

Named colours

Light skyblue · ΔE 8.6Deep skyblue · ΔE 11.7Sky blue · ΔE 13.8Steel blue · ΔE 21.1Light steelblue · ΔE 21.1Light blue · ΔE 24.1
Nearest named CSS colourLight skyblue (#87CEFA)ΔE 8.58, clearly different but related
Hue familyblue
CSS keyword usableNo exact keyword

Colour harmonies

base+30°+90°+120°+180°+210°+240°+270°+330°
Complementary#EC9866
Analogous#66ECDB, #6677EC
Triadic#EC66BA, #BAEC66
Split complementary#EC6677, #ECDB66
Tetradic#DB66EC, #EC9866, #77EC66

Tints, shades & saturation

+40%+30%+20%+10%base-10%-20%-30%-40%
Lighter +40%#FFFFFF
Lighter +30%#EEF7FD
Lighter +20%#C1E3F7
Lighter +10%#93CEF2
Darker −10%#39A6E6
Darker −20%#1A8DD2
Darker −30%#146FA5
Darker −40%#0F5077
More saturated +25%#53BFFF
Less saturated −25%#7CB5D7

Channel breakdown

R102
G186
B236
Red102 (40%)
Green186 (72.9%)
Blue236 (92.5%)
Hue202.39°
Saturation (HSL)77.91%
Lightness66.27%
Dominant channelBlue
Hex per channelR 66 · G BA · B EC

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Every value on this page was computed from “66baec” by Nerdulator’s colour engine. Nothing here was retrieved from a database of answers or written by a model.