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Recognised as Colour

#669EE7

  • #669EE7
  • Blue
  • Dark
  • Nearest: Cornflower blue

#669EE7 is a blue with RGB values 102, 158, 231 and HSL 214°, 73%, 65%. It is a dark colour, so black text on it reaches 7.6:1 contrast (AAA for normal text). The nearest named colour is Cornflower blue.

Colour values

#669EE7#669EE7
HEX#669EE7
RGBrgb(102, 158, 231)
RGB (0–1)0.4, 0.6196, 0.9059
RGB percentages40%, 62%, 90.6%
HSLhsl(214, 72.9%, 65.3%)
HSV / HSBhsv(214, 55.8%, 90.6%)
CMYK55.8%, 31.6%, 0%, 9.4%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer6,725,351
CSS custom property--colour: #669EE7;

Brightness & contrast

Relative luminance0.33048WCAG 2.x, 0 is black and 1 is white
Perceived brightness154.4 of 255ITU-R BT.601 weighting
Light or darkDark
Best text colour on this backgroundBlackcontrast 7.61:1
Contrast with white2.76:1WCAG normal text: Fail
Contrast with black7.61:1WCAG normal text: AAA
Greyscale equivalent#979797
Inverted#996118

Colour vision & accessibility

Normal visionProtanopiaDeuteranopiaTritanopia
Protanopia#80A2EAno red cones; affects about 1% of men; ΔE 5.8 from the original
Deuteranopia#7096E5no green cones; the most common form, about 1% of men; ΔE 6.6 from the original
Tritanopia#00AEB8no blue cones; rare, and affects men and women equally; ΔE 44.5 from the original
Distinguishable without hueYesnever rely on hue alone to carry meaning
Contrast with white, large text2.76:1WCAG large text: Fail
Contrast with black, large text7.61:1WCAG large text: AAA

Named colours

Cornflower blue · ΔE 9.9Steel blue · ΔE 16.9Deep skyblue · ΔE 21.9Dodgerblue · ΔE 22.8Light skyblue · ΔE 24.8Light steelblue · ΔE 30.9
Nearest named CSS colourCornflower blue (#6495ED)ΔE 9.9, clearly different but related
Hue familyblue
CSS keyword usableNo exact keyword

Colour harmonies

base+30°+90°+120°+180°+210°+240°+270°+330°
Complementary#E7AF66
Analogous#66DFE7, #6F66E7
Triadic#E7669E, #9EE766
Split complementary#E76F66, #DFE766
Tetradic#E766DF, #E7AF66, #66E76F

Tints, shades & saturation

+40%+30%+20%+10%base-10%-20%-30%-40%
Lighter +40%#FFFFFF
Lighter +30%#EAF2FC
Lighter +20%#BED6F5
Lighter +10%#92BAEE
Darker −10%#3A82E0
Darker −20%#1F68C8
Darker −30%#18519C
Darker −40%#113A70
More saturated +25%#509BFD
Less saturated −25%#7CA1D1

Channel breakdown

R102
G158
B231
Red102 (40%)
Green158 (62%)
Blue231 (90.6%)
Hue213.95°
Saturation (HSL)72.88%
Lightness65.29%
Dominant channelBlue
Hex per channelR 66 · G 9E · B E7

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Every value on this page was computed from “669ee7” by Nerdulator’s colour engine. Nothing here was retrieved from a database of answers or written by a model.