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Recognised as Colour

#669DFC

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

#669DFC is a blue with RGB values 102, 157, 252 and HSL 218°, 96%, 69%. It is a dark colour, so black text on it reaches 7.8:1 contrast (AAA for normal text). The nearest named colour is Cornflower blue.

Colour values

#669DFC#669DFC
HEX#669DFC
RGBrgb(102, 157, 252)
RGB (0–1)0.4, 0.6157, 0.9882
RGB percentages40%, 61.6%, 98.8%
HSLhsl(218, 96.2%, 69.4%)
HSV / HSBhsv(218, 59.5%, 98.8%)
CMYK59.5%, 37.7%, 0%, 1.2%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer6,725,116
CSS custom property--colour: #669DFC;

Brightness & contrast

Relative luminance0.33967WCAG 2.x, 0 is black and 1 is white
Perceived brightness157.5 of 255ITU-R BT.601 weighting
Light or darkDark
Best text colour on this backgroundBlackcontrast 7.79:1
Contrast with white2.69:1WCAG normal text: Fail
Contrast with black7.79:1WCAG normal text: AAA
Greyscale equivalent#989898
Inverted#996203

Colour vision & accessibility

Normal visionProtanopiaDeuteranopiaTritanopia
Protanopia#74A5FFno red cones; affects about 1% of men; ΔE 4.4 from the original
Deuteranopia#6097FAno green cones; the most common form, about 1% of men; ΔE 3.4 from the original
Tritanopia#00B2C0no blue cones; rare, and affects men and women equally; ΔE 54.8 from the original
Distinguishable without hueYesnever rely on hue alone to carry meaning
Contrast with white, large text2.69:1WCAG large text: Fail
Contrast with black, large text7.79:1WCAG large text: AAA

Named colours

Cornflower blue · ΔE 4.6Dodgerblue · ΔE 12Royal blue · ΔE 26.8Steel blue · ΔE 27.8Medium purple · ΔE 28.8Deep skyblue · ΔE 30.3
Nearest named CSS colourCornflower blue (#6495ED)ΔE 4.62, a close match
Hue familyblue
CSS keyword usableNo exact keyword

Colour harmonies

base+30°+90°+120°+180°+210°+240°+270°+330°
Complementary#FCC566
Analogous#66E8FC, #7A66FC
Triadic#FC669D, #9DFC66
Split complementary#FC7A66, #E8FC66
Tetradic#FC66E8, #FCC566, #66FC7A

Tints, shades & saturation

+40%+30%+20%+10%base-10%-20%-30%-40%
Lighter +40%#FFFFFF
Lighter +30%#FCFDFF
Lighter +20%#CADDFE
Lighter +10%#98BDFD
Darker −10%#347DFB
Darker −20%#055EF7
Darker −30%#044BC5
Darker −40%#033893
More saturated +25%#639CFF
Less saturated −25%#7AA2E9

Channel breakdown

R102
G157
B252
Red102 (40%)
Green157 (61.6%)
Blue252 (98.8%)
Hue218°
Saturation (HSL)96.15%
Lightness69.41%
Dominant channelBlue
Hex per channelR 66 · G 9D · B FC

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