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Recognised as Colour

#669AFE

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

#669AFE is a blue with RGB values 102, 154, 254 and HSL 219°, 99%, 70%. 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

#669AFE#669AFE
HEX#669AFE
RGBrgb(102, 154, 254)
RGB (0–1)0.4, 0.6039, 0.9961
RGB percentages40%, 60.4%, 99.6%
HSLhsl(219.5, 98.7%, 69.8%)
HSV / HSBhsv(219.5, 59.8%, 99.6%)
CMYK59.8%, 39.4%, 0%, 0.4%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer6,724,350
CSS custom property--colour: #669AFE;

Brightness & contrast

Relative luminance0.33092WCAG 2.x, 0 is black and 1 is white
Perceived brightness156.2 of 255ITU-R BT.601 weighting
Light or darkDark
Best text colour on this backgroundBlackcontrast 7.62:1
Contrast with white2.76:1WCAG normal text: Fail
Contrast with black7.62:1WCAG normal text: AAA
Greyscale equivalent#969696
Inverted#996501

Colour vision & accessibility

Normal visionProtanopiaDeuteranopiaTritanopia
Protanopia#6EA3FFno red cones; affects about 1% of men; ΔE 5.9 from the original
Deuteranopia#5995FCno green cones; the most common form, about 1% of men; ΔE 3 from the original
Tritanopia#00B0C0no blue cones; rare, and affects men and women equally; ΔE 56.7 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 text7.62:1WCAG large text: AAA

Named colours

Cornflower blue · ΔE 6.8Dodgerblue · ΔE 10Royal blue · ΔE 23.9Medium purple · ΔE 26.7Steel blue · ΔE 30.4Slate blue · ΔE 30.5
Nearest named CSS colourCornflower blue (#6495ED)ΔE 6.79, clearly different but related
Hue familyblue
CSS keyword usableNo exact keyword

Colour harmonies

base+30°+90°+120°+180°+210°+240°+270°+330°
Complementary#FECA66
Analogous#66E6FE, #7E66FE
Triadic#FE669A, #9AFE66
Split complementary#FE7E66, #E6FE66
Tetradic#FE66E6, #FECA66, #66FE7E

Tints, shades & saturation

+40%+30%+20%+10%base-10%-20%-30%-40%
Lighter +40%#FFFFFF
Lighter +30%#FEFEFF
Lighter +20%#CBDDFF
Lighter +10%#99BBFE
Darker −10%#3379FE
Darker −20%#0257FC
Darker −30%#0146CA
Darker −40%#013497
More saturated +25%#659AFF
Less saturated −25%#79A0EB

Channel breakdown

R102
G154
B254
Red102 (40%)
Green154 (60.4%)
Blue254 (99.6%)
Hue219.47°
Saturation (HSL)98.7%
Lightness69.8%
Dominant channelBlue
Hex per channelR 66 · G 9A · B FE

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