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Recognised as Colour

#0666AE

  • #0666AE
  • Blue
  • Dark
  • Nearest: Steel blue

#0666AE is a blue with RGB values 6, 102, 174 and HSL 206°, 93%, 35%. It is a dark colour, so white text on it reaches 6:1 contrast (AA for normal text). The nearest named colour is Steel blue.

Colour values

#0666AE#0666AE
HEX#0666AE
RGBrgb(6, 102, 174)
RGB (0–1)0.0235, 0.4, 0.6824
RGB percentages2.4%, 40%, 68.2%
HSLhsl(205.7, 93.3%, 35.3%)
HSV / HSBhsv(205.7, 96.6%, 68.2%)
CMYK96.6%, 41.4%, 0%, 31.8%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer419,502
CSS custom property--colour: #0666AE;

Brightness & contrast

Relative luminance0.12597WCAG 2.x, 0 is black and 1 is white
Perceived brightness97.8 of 255ITU-R BT.601 weighting
Light or darkDark
Best text colour on this backgroundWhitecontrast 5.97:1
Contrast with white5.97:1WCAG normal text: AA
Contrast with black3.52:1WCAG normal text: Fail
Greyscale equivalent#575757
Inverted#F99951

Colour vision & accessibility

Normal visionProtanopiaDeuteranopiaTritanopia
Protanopia#416BB1no red cones; affects about 1% of men; ΔE 6.5 from the original
Deuteranopia#255DADno green cones; the most common form, about 1% of men; ΔE 8.5 from the original
Tritanopia#007781no blue cones; rare, and affects men and women equally; ΔE 42 from the original
Distinguishable without hueShifts in lightness toonever rely on hue alone to carry meaning
Contrast with white, large text5.97:1WCAG large text: AAA
Contrast with black, large text3.52:1WCAG large text: AA

Named colours

Steel blue · ΔE 18.1Cornflower blue · ΔE 21.1Dark slateblue · ΔE 25.5Dodgerblue · ΔE 26Royal blue · ΔE 31Slate blue · ΔE 35.2
Nearest named CSS colourSteel blue (#4682B4)ΔE 18.14, a distinctly different colour
Hue familyblue
CSS keyword usableNo exact keyword

Colour harmonies

base+30°+90°+120°+180°+210°+240°+270°+330°
Complementary#AE4E06
Analogous#06AEA2, #0612AE
Triadic#AE0666, #66AE06
Split complementary#AE0612, #AEA206
Tetradic#A206AE, #AE4E06, #12AE06

Tints, shades & saturation

+40%+30%+20%+10%base-10%-20%-30%-40%
Lighter +40%#85C8FB
Lighter +30%#54B2F9
Lighter +20%#239CF7
Lighter +10%#0883DF
Darker −10%#04497D
Darker −20%#032C4B
Darker −30%#010F1A
Darker −40%#000000
More saturated +25%#0067B4
Less saturated −25%#1D6398

Channel breakdown

R6
G102
B174
Red6 (2.4%)
Green102 (40%)
Blue174 (68.2%)
Hue205.71°
Saturation (HSL)93.33%
Lightness35.29%
Dominant channelBlue
Hex per channelR 06 · G 66 · B AE

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Every value on this page was computed from “0666ae” by Nerdulator’s colour engine. Nothing here was retrieved from a database of answers or written by a model.