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Recognised as Colour

#0668CF

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

#0668CF is a blue with RGB values 6, 104, 207 and HSL 211°, 94%, 42%. It is a dark colour, so white text on it reaches 5.4:1 contrast (AA for normal text). The nearest named colour is Royal blue.

Colour values

#0668CF#0668CF
HEX#0668CF
RGBrgb(6, 104, 207)
RGB (0–1)0.0235, 0.4078, 0.8118
RGB percentages2.4%, 40.8%, 81.2%
HSLhsl(210.7, 94.4%, 41.8%)
HSV / HSBhsv(210.7, 97.1%, 81.2%)
CMYK97.1%, 49.8%, 0%, 18.8%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer420,047
CSS custom property--colour: #0668CF;

Brightness & contrast

Relative luminance0.14444WCAG 2.x, 0 is black and 1 is white
Perceived brightness106 of 255ITU-R BT.601 weighting
Light or darkDark
Best text colour on this backgroundWhitecontrast 5.4:1
Contrast with white5.4:1WCAG normal text: AA
Contrast with black3.89:1WCAG normal text: Fail
Greyscale equivalent#5B5B5B
Inverted#F99730

Colour vision & accessibility

Normal visionProtanopiaDeuteranopiaTritanopia
Protanopia#2573D3no red cones; affects about 1% of men; ΔE 6.7 from the original
Deuteranopia#0062CDno green cones; the most common form, about 1% of men; ΔE 4 from the original
Tritanopia#008192no blue cones; rare, and affects men and women equally; ΔE 57.5 from the original
Distinguishable without hueShifts in lightness toonever rely on hue alone to carry meaning
Contrast with white, large text5.4:1WCAG large text: AAA
Contrast with black, large text3.89:1WCAG large text: AA

Named colours

Royal blue · ΔE 12.5Dodgerblue · ΔE 15.9Slate blue · ΔE 20.8Cornflower blue · ΔE 21Dark slateblue · ΔE 25.1Medium purple · ΔE 25.6
Nearest named CSS colourRoyal blue (#4169E1)ΔE 12.5, a distinctly different colour
Hue familyblue
CSS keyword usableNo exact keyword

Colour harmonies

base+30°+90°+120°+180°+210°+240°+270°+330°
Complementary#CF6D06
Analogous#06CCCF, #0906CF
Triadic#CF0668, #68CF06
Split complementary#CF0906, #CCCF06
Tetradic#CF06CC, #CF6D06, #06CF09

Tints, shades & saturation

+40%+30%+20%+10%base-10%-20%-30%-40%
Lighter +40%#A5CFFC
Lighter +30%#73B5FB
Lighter +20%#419BFA
Lighter +10%#1081F8
Darker −10%#054F9D
Darker −20%#03366C
Darker −30%#021D3A
Darker −40%#000409
More saturated +25%#0068D5
Less saturated −25%#2169B4

Channel breakdown

R6
G104
B207
Red6 (2.4%)
Green104 (40.8%)
Blue207 (81.2%)
Hue210.75°
Saturation (HSL)94.37%
Lightness41.76%
Dominant channelBlue
Hex per channelR 06 · G 68 · B CF

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