Recognised as Colour

#166BCD

#166BCD
Blue
Dark
Nearest: Dodgerblue

#166BCD is a blue with RGB values 22, 107, 205 and HSL 212°, 81%, 45%. It is a dark colour, so white text on it reaches 5.2:1 contrast (AA for normal text). The nearest named colour is Dodgerblue.

Colour values

#166BCD#166BCD

HEX#166BCD

RGBrgb(22, 107, 205)

RGB (0–1)0.0863, 0.4196, 0.8039

RGB percentages8.6%, 42%, 80.4%

HSLhsl(212.1, 80.6%, 44.5%)

HSV / HSBhsv(212.1, 89.3%, 80.4%)

CMYK89.3%, 47.8%, 0%, 19.6%≈naive device-independent conversion; real print needs an ICC profile

24-bit integer1,469,389

CSS custom property--colour: #166BCD;

Brightness & contrast

Relative luminance0.15094WCAG 2.x, 0 is black and 1 is white

Perceived brightness108 of 255ITU-R BT.601 weighting

Light or darkDark

Best text colour on this backgroundWhitecontrast 5.23:1

Contrast with white5.23:1WCAG normal text: AA

Contrast with black4.02:1WCAG normal text: Fail

Greyscale equivalent#606060

Inverted#E99432

Colour vision & accessibility

Normal vision Protanopia Deuteranopia Tritanopia

Protanopia#3175D1no red cones; affects about 1% of men; ΔE 5.8 from the original

Deuteranopia#0065CBno green cones; the most common form, about 1% of men; ΔE 3.8 from the original

Tritanopia#008392no blue cones; rare, and affects men and women equally; ΔE 55.6 from the original

Distinguishable without hueShifts in lightness toonever rely on hue alone to carry meaning

Contrast with white, large text5.23:1WCAG large text: AAA

Contrast with black, large text4.02:1WCAG large text: AA

Named colours

Dodgerblue · ΔE 15.3 Royal blue · ΔE 15.4 Cornflower blue · ΔE 18.5 Slate blue · ΔE 22.7 Dark slateblue · ΔE 24.8 Medium purple · ΔE 26.2

Nearest named CSS colourDodgerblue (#1E90FF)ΔE 15.29, a distinctly different colour

Hue familyblue

CSS keyword usableNo exact keyword

Colour harmonies

base +30°+90°+120°+180°+210°+240°+270°+330°

Complementary#CD7816

Analogous#16C6CD, #1D16CD

Triadic#CD166B, #6BCD16

Split complementary#CD1D16, #C6CD16

Tetradic#CD16C6, #CD7816, #16CD1D

Tints, shades & saturation

+40%+30%+20%+10%base -10%-20%-30%-40%

Lighter +40%#B8D5F7

Lighter +30%#8ABAF2

Lighter +20%#5C9FED

Lighter +10%#2D84E9

Darker −10%#11539F

Darker −20%#0C3B71

Darker −30%#072343

Darker −40%#020B15

More saturated +25%#0069E3

Less saturated −25%#326DB1

Channel breakdown

R22

G107

B205

Red22 (8.6%)

Green107 (42%)

Blue205 (80.4%)

Hue212.13°

Saturation (HSL)80.62%

Lightness44.51%

Dominant channelBlue

Hex per channelR 16 · G 6B · B CD

Keep nerding

Every link below is a page Nerdulator can generate from what it already knows about this value.

#166BCD

Colour values

Brightness & contrast

Colour vision & accessibility

Named colours

Colour harmonies

Tints, shades & saturation

Channel breakdown

Keep nerding

Harmonies

Lighter and darker

Similar named colours

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