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Colour

#0668D4

  • #0668D4
  • Blue
  • Dark
  • Nearest: Royal blue

#0668D4 is a blue with RGB values 6, 104, 212 and HSL 211°, 94%, 43%. It is a dark colour, so white text on it reaches 5.3:1 contrast (AA for normal text). The nearest named colour is Royal blue.

Colour values

#0668D4#0668D4
HEX#0668D4
RGBrgb(6, 104, 212)
RGB (0–1)0.0235, 0.4078, 0.8314
RGB percentages2.4%, 40.8%, 83.1%
HSLhsl(211.5, 94.5%, 42.7%)
HSV / HSBhsv(211.5, 97.2%, 83.1%)
CMYK97.2%, 50.9%, 0%, 16.9%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer420,052
CSS custom property--colour: #0668D4;

Brightness & contrast

Relative luminance0.14693WCAG 2.x, 0 is black and 1 is white
Perceived brightness107.2 of 255ITU-R BT.601 weighting
Light or darkDark
Best text colour on this backgroundWhitecontrast 5.33:1
Contrast with white5.33:1WCAG normal text: AA
Contrast with black3.94:1WCAG normal text: Fail
Greyscale equivalent#5B5B5B
Inverted#F9972B

Colour vision & accessibility

Normal visionProtanopiaDeuteranopiaTritanopia
Protanopia#1B74D8no red cones; affects about 1% of men; ΔE 7.6 from the original
Deuteranopia#0063D2no green cones; the most common form, about 1% of men; ΔE 3.1 from the original
Tritanopia#008394no blue cones; rare, and affects men and women equally; ΔE 60.7 from the original
Distinguishable without hueShifts in lightness toonever rely on hue alone to carry meaning
Contrast with white, large text5.33:1WCAG large text: AAA
Contrast with black, large text3.94:1WCAG large text: AA

Named colours

Royal blue · ΔE 9.8Dodgerblue · ΔE 16Slate blue · ΔE 19.2Cornflower blue · ΔE 22.6Medium purple · ΔE 24.9Medium slateblue · ΔE 24.9
Nearest named CSS colourRoyal blue (#4169E1)ΔE 9.78, clearly different but related
Hue familyblue
CSS keyword usableNo exact keyword

Colour harmonies

base+30°+90°+120°+180°+210°+240°+270°+330°
Complementary#D47206
Analogous#06CFD4, #0B06D4
Triadic#D40668, #68D406
Split complementary#D40B06, #CFD406
Tetradic#D406CF, #D47206, #06D40B

Tints, shades & saturation

+40%+30%+20%+10%base-10%-20%-30%-40%
Lighter +40%#A9D1FD
Lighter +30%#78B6FB
Lighter +20%#469CFA
Lighter +10%#1581F8
Darker −10%#0550A2
Darker −20%#033771
Darker −30%#021F3F
Darker −40%#00070E
More saturated +25%#0068DA
Less saturated −25%#2169B9

Channel breakdown

R6
G104
B212
Red6 (2.4%)
Green104 (40.8%)
Blue212 (83.1%)
Hue211.46°
Saturation (HSL)94.5%
Lightness42.75%
Dominant channelBlue
Hex per channelR 06 · G 68 · B D4

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Every value on this page was computed from “0668d4” by Nerdulator’s colour engine. Nothing here was retrieved from a database of answers or written by a model.