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Colour

#166EC7

  • #166EC7
  • Blue
  • Dark
  • Nearest: Cornflower blue

#166EC7 is a blue with RGB values 22, 110, 199 and HSL 210°, 80%, 43%. It is a dark colour, so white text on it reaches 5.1:1 contrast (AA for normal text). The nearest named colour is Cornflower blue.

Colour values

#166EC7#166EC7
HEX#166EC7
RGBrgb(22, 110, 199)
RGB (0–1)0.0863, 0.4314, 0.7804
RGB percentages8.6%, 43.1%, 78%
HSLhsl(210.2, 80.1%, 43.3%)
HSV / HSBhsv(210.2, 88.9%, 78%)
CMYK88.9%, 44.7%, 0%, 22%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer1,470,151
CSS custom property--colour: #166EC7;

Brightness & contrast

Relative luminance0.15446WCAG 2.x, 0 is black and 1 is white
Perceived brightness108.5 of 255ITU-R BT.601 weighting
Light or darkDark
Best text colour on this backgroundWhitecontrast 5.14:1
Contrast with white5.14:1WCAG normal text: AA
Contrast with black4.09:1WCAG normal text: Fail
Greyscale equivalent#626262
Inverted#E99138

Colour vision & accessibility

Normal visionProtanopiaDeuteranopiaTritanopia
Protanopia#3E76CAno red cones; affects about 1% of men; ΔE 5.4 from the original
Deuteranopia#1466C5no green cones; the most common form, about 1% of men; ΔE 5.6 from the original
Tritanopia#008391no blue cones; rare, and affects men and women equally; ΔE 50.2 from the original
Distinguishable without hueShifts in lightness toonever rely on hue alone to carry meaning
Contrast with white, large text5.14:1WCAG large text: AAA
Contrast with black, large text4.09:1WCAG large text: AA

Named colours

Cornflower blue · ΔE 16.1Dodgerblue · ΔE 16.7Royal blue · ΔE 21.2Steel blue · ΔE 25.4Dark slateblue · ΔE 25.5Slate blue · ΔE 27.4
Nearest named CSS colourCornflower blue (#6495ED)ΔE 16.14, a distinctly different colour
Hue familyblue
CSS keyword usableNo exact keyword

Colour harmonies

base+30°+90°+120°+180°+210°+240°+270°+330°
Complementary#C76F16
Analogous#16C7C7, #1716C7
Triadic#C7166E, #6EC716
Split complementary#C71616, #C7C716
Tetradic#C716C6, #C76F16, #16C716

Tints, shades & saturation

+40%+30%+20%+10%base-10%-20%-30%-40%
Lighter +40%#B2D4F7
Lighter +30%#85BBF1
Lighter +20%#57A1EC
Lighter +10%#2987E7
Darker −10%#115599
Darker −20%#0C3B6B
Darker −30%#07223D
Darker −40%#02080F
More saturated +25%#006EDD
Less saturated −25%#326EAB

Channel breakdown

R22
G110
B199
Red22 (8.6%)
Green110 (43.1%)
Blue199 (78%)
Hue210.17°
Saturation (HSL)80.09%
Lightness43.33%
Dominant channelBlue
Hex per channelR 16 · G 6E · B C7

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Every value on this page was computed from “166ec7” by Nerdulator’s colour engine. Nothing here was retrieved from a database of answers or written by a model.