Recognised as Colour

#066CB2

#066CB2
Blue
Dark
Nearest: Steel blue

#066CB2 is a blue with RGB values 6, 108, 178 and HSL 204°, 93%, 36%. It is a dark colour, so white text on it reaches 5.5:1 contrast (AA for normal text). The nearest named colour is Steel blue.

Colour values

#066CB2#066CB2

HEX#066CB2

RGBrgb(6, 108, 178)

RGB (0–1)0.0235, 0.4235, 0.698

RGB percentages2.4%, 42.4%, 69.8%

HSLhsl(204.4, 93.5%, 36.1%)

HSV / HSBhsv(204.4, 96.6%, 69.8%)

CMYK96.6%, 39.3%, 0%, 30.2%≈naive device-independent conversion; real print needs an ICC profile

24-bit integer421,042

CSS custom property--colour: #066CB2;

Brightness & contrast

Relative luminance0.13978WCAG 2.x, 0 is black and 1 is white

Perceived brightness102.3 of 255ITU-R BT.601 weighting

Light or darkDark

Best text colour on this backgroundWhitecontrast 5.53:1

Contrast with white5.53:1WCAG normal text: AA

Contrast with black3.8:1WCAG normal text: Fail

Greyscale equivalent#5B5B5B

Inverted#F9934D

Colour vision & accessibility

Normal vision Protanopia Deuteranopia Tritanopia

Protanopia#4970B5no red cones; affects about 1% of men; ΔE 8 from the original

Deuteranopia#2F62B1no green cones; the most common form, about 1% of men; ΔE 10.1 from the original

Tritanopia#007D86no blue cones; rare, and affects men and women equally; ΔE 40.9 from the original

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

Contrast with white, large text5.53:1WCAG large text: AAA

Contrast with black, large text3.8:1WCAG large text: AA

Named colours

Steel blue · ΔE 15.5 Cornflower blue · ΔE 20.2 Dodgerblue · ΔE 26 Dark slateblue · ΔE 28.3 Royal blue · ΔE 32.9 Deep skyblue · ΔE 34.1

Nearest named CSS colourSteel blue (#4682B4)ΔE 15.49, a distinctly different colour

Hue familyblue

CSS keyword usableNo exact keyword

Colour harmonies

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

Complementary#B24C06

Analogous#06B2A2, #0616B2

Triadic#B2066C, #6CB206

Split complementary#B20616, #B2A206

Tetradic#A206B2, #B24C06, #16B206

Tints, shades & saturation

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

Lighter +40%#89CDFB

Lighter +30%#58B8F9

Lighter +20%#26A2F8

Lighter +10%#088AE3

Darker −10%#044E81

Darker −20%#03304F

Darker −30%#01121E

Darker −40%#000000

More saturated +25%#006DB8

Less saturated −25%#1D689B

Channel breakdown

G108

B178

Red6 (2.4%)

Green108 (42.4%)

Blue178 (69.8%)

Hue204.42°

Saturation (HSL)93.48%

Lightness36.08%

Dominant channelBlue

Hex per channelR 06 · G 6C · B B2

Keep nerding

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

#066CB2

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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