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Recognised as Colour

#667DD6

  • #667DD6
  • Blue
  • Dark
  • Nearest: Cornflower blue

#667DD6 is a blue with RGB values 102, 125, 214 and HSL 228°, 58%, 62%. It is a dark colour, so black text on it reaches 5.5:1 contrast (AA for normal text). The nearest named colour is Cornflower blue.

Colour values

#667DD6#667DD6
HEX#667DD6
RGBrgb(102, 125, 214)
RGB (0–1)0.4, 0.4902, 0.8392
RGB percentages40%, 49%, 83.9%
HSLhsl(227.7, 57.7%, 62%)
HSV / HSBhsv(227.7, 52.3%, 83.9%)
CMYK52.3%, 41.6%, 0%, 16.1%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer6,716,886
CSS custom property--colour: #667DD6;

Brightness & contrast

Relative luminance0.22347WCAG 2.x, 0 is black and 1 is white
Perceived brightness132.3 of 255ITU-R BT.601 weighting
Light or darkDark
Best text colour on this backgroundBlackcontrast 5.47:1
Contrast with white3.84:1WCAG normal text: Fail
Contrast with black5.47:1WCAG normal text: AA
Greyscale equivalent#7F7F7F
Inverted#998229

Colour vision & accessibility

Normal visionProtanopiaDeuteranopiaTritanopia
Protanopia#5887D9no red cones; affects about 1% of men; ΔE 8.4 from the original
Deuteranopia#4C7ED4no green cones; the most common form, about 1% of men; ΔE 6.6 from the original
Tritanopia#31909Fno blue cones; rare, and affects men and women equally; ΔE 50.8 from the original
Distinguishable without hueYesnever rely on hue alone to carry meaning
Contrast with white, large text3.84:1WCAG large text: AA
Contrast with black, large text5.47:1WCAG large text: AAA

Named colours

Cornflower blue · ΔE 10.6Dodgerblue · ΔE 17.2Medium purple · ΔE 20.2Royal blue · ΔE 20.4Slate blue · ΔE 23.3Dark slateblue · ΔE 26.1
Nearest named CSS colourCornflower blue (#6495ED)ΔE 10.59, a distinctly different colour
Hue familyblue
CSS keyword usableNo exact keyword

Colour harmonies

base+30°+90°+120°+180°+210°+240°+270°+330°
Complementary#D6BF66
Analogous#66B5D6, #8766D6
Triadic#D6667D, #7DD666
Split complementary#D68766, #B5D666
Tetradic#D666B5, #D6BF66, #66D687

Tints, shades & saturation

+40%+30%+20%+10%base-10%-20%-30%-40%
Lighter +40%#FFFFFF
Lighter +30%#DFE4F6
Lighter +20%#B6C1EC
Lighter +10%#8E9FE1
Darker −10%#3E5BCB
Darker −20%#2D47A9
Darker −30%#223681
Darker −40%#182558
More saturated +25%#4E6FEE
Less saturated −25%#7E8BBE

Channel breakdown

R102
G125
B214
Red102 (40%)
Green125 (49%)
Blue214 (83.9%)
Hue227.68°
Saturation (HSL)57.73%
Lightness61.96%
Dominant channelBlue
Hex per channelR 66 · G 7D · B D6

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Every value on this page was computed from “667dd6” by Nerdulator’s colour engine. Nothing here was retrieved from a database of answers or written by a model.