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Recognised as Colour

#066684

  • #066684
  • Cyan
  • Dark
  • Nearest: Steel blue

#066684 is a cyan with RGB values 6, 102, 132 and HSL 194°, 91%, 27%. It is a dark colour, so white text on it reaches 6.5:1 contrast (AA for normal text). The nearest named colour is Steel blue.

Colour values

#066684#066684
HEX#066684
RGBrgb(6, 102, 132)
RGB (0–1)0.0235, 0.4, 0.5176
RGB percentages2.4%, 40%, 51.8%
HSLhsl(194.3, 91.3%, 27.1%)
HSV / HSBhsv(194.3, 95.5%, 51.8%)
CMYK95.5%, 22.7%, 0%, 48.2%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer419,460
CSS custom property--colour: #066684;

Brightness & contrast

Relative luminance0.11207WCAG 2.x, 0 is black and 1 is white
Perceived brightness90 of 255ITU-R BT.601 weighting
Light or darkDark
Best text colour on this backgroundWhitecontrast 6.48:1
Contrast with white6.48:1WCAG normal text: AA
Contrast with black3.24:1WCAG normal text: Fail
Greyscale equivalent#545454
Inverted#F9997B

Colour vision & accessibility

Normal visionProtanopiaDeuteranopiaTritanopia
Protanopia#566485no red cones; affects about 1% of men; ΔE 17 from the original
Deuteranopia#475984no green cones; the most common form, about 1% of men; ΔE 18.9 from the original
Tritanopia#006F70no blue cones; rare, and affects men and women equally; ΔE 19.9 from the original
Distinguishable without hueShifts in lightness toonever rely on hue alone to carry meaning
Contrast with white, large text6.48:1WCAG large text: AAA
Contrast with black, large text3.24:1WCAG large text: AA

Named colours

Steel blue · ΔE 17.8Slate grey · ΔE 21.4Dark slate grey · ΔE 21.7Light slate grey · ΔE 23.1Teal · ΔE 23.2Dark cyan · ΔE 25.8
Nearest named CSS colourSteel blue (#4682B4)ΔE 17.77, a distinctly different colour
Hue familycyan
CSS keyword usableNo exact keyword

Colour harmonies

base+30°+90°+120°+180°+210°+240°+270°+330°
Complementary#842406
Analogous#068463, #062784
Triadic#840666, #668406
Split complementary#840627, #846306
Tetradic#630684, #842406, #278406

Tints, shades & saturation

+40%+30%+20%+10%base-10%-20%-30%-40%
Lighter +40%#5ED3F8
Lighter +30%#2EC6F5
Lighter +20%#0AB1E6
Lighter +10%#088CB5
Darker −10%#044053
Darker −20%#021B22
Darker −30%#000000
Darker −40%#000000
More saturated +25%#00698A
Less saturated −25%#175D73

Channel breakdown

R6
G102
B132
Red6 (2.4%)
Green102 (40%)
Blue132 (51.8%)
Hue194.29°
Saturation (HSL)91.3%
Lightness27.06%
Dominant channelBlue
Hex per channelR 06 · G 66 · B 84

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Every value on this page was computed from “hex 066684” by Nerdulator’s colour engine. Nothing here was retrieved from a database of answers or written by a model.