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Recognised as Colour

#0660D0

  • #0660D0
  • Blue
  • Dark
  • Nearest: Royal blue

#0660D0 is a blue with RGB values 6, 96, 208 and HSL 213°, 94%, 42%. It is a dark colour, so white text on it reaches 5.8:1 contrast (AA for normal text). The nearest named colour is Royal blue.

Colour values

#0660D0#0660D0
HEX#0660D0
RGBrgb(6, 96, 208)
RGB (0–1)0.0235, 0.3765, 0.8157
RGB percentages2.4%, 37.6%, 81.6%
HSLhsl(213.3, 94.4%, 42%)
HSV / HSBhsv(213.3, 97.1%, 81.6%)
CMYK97.1%, 53.8%, 0%, 18.4%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer418,000
CSS custom property--colour: #0660D0;

Brightness & contrast

Relative luminance0.12959WCAG 2.x, 0 is black and 1 is white
Perceived brightness101.7 of 255ITU-R BT.601 weighting
Light or darkDark
Best text colour on this backgroundWhitecontrast 5.85:1
Contrast with white5.85:1WCAG normal text: AA
Contrast with black3.59:1WCAG normal text: Fail
Greyscale equivalent#555555
Inverted#F99F2F

Colour vision & accessibility

Normal visionProtanopiaDeuteranopiaTritanopia
Protanopia#006ED4no red cones; affects about 1% of men; ΔE 9.8 from the original
Deuteranopia#005DCEno green cones; the most common form, about 1% of men; ΔE 1.5 from the original
Tritanopia#007C8Eno blue cones; rare, and affects men and women equally; ΔE 63.2 from the original
Distinguishable without hueShifts in lightness toonever rely on hue alone to carry meaning
Contrast with white, large text5.85:1WCAG large text: AAA
Contrast with black, large text3.59:1WCAG large text: AA

Named colours

Royal blue · ΔE 7.5Slate blue · ΔE 16.5Dodgerblue · ΔE 20Medium slateblue · ΔE 22.3Medium purple · ΔE 24.4Dark slateblue · ΔE 25.4
Nearest named CSS colourRoyal blue (#4169E1)ΔE 7.48, clearly different but related
Hue familyblue
CSS keyword usableNo exact keyword

Colour harmonies

base+30°+90°+120°+180°+210°+240°+270°+330°
Complementary#D07606
Analogous#06C5D0, #1106D0
Triadic#D00660, #60D006
Split complementary#D01106, #C5D006
Tetradic#D006C5, #D07606, #06D011

Tints, shades & saturation

+40%+30%+20%+10%base-10%-20%-30%-40%
Lighter +40%#A6CCFC
Lighter +30%#74B0FB
Lighter +20%#4294FA
Lighter +10%#1178F8
Darker −10%#05499E
Darker −20%#03326D
Darker −30%#021B3B
Darker −40%#00040A
More saturated +25%#005FD6
Less saturated −25%#2163B5

Channel breakdown

R6
G96
B208
Red6 (2.4%)
Green96 (37.6%)
Blue208 (81.6%)
Hue213.27°
Saturation (HSL)94.39%
Lightness41.96%
Dominant channelBlue
Hex per channelR 06 · G 60 · B D0

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Every value on this page was computed from “0660d0” by Nerdulator’s colour engine. Nothing here was retrieved from a database of answers or written by a model.