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Recognised as Colour

#6F66CC

  • #6F66CC
  • Blue
  • Dark
  • Nearest: Slate blue

#6F66CC is a blue with RGB values 111, 102, 204 and HSL 245°, 50%, 60%. It is a dark colour, so white text on it reaches 4.7:1 contrast (AA for normal text). The nearest named colour is Slate blue.

Colour values

#6F66CC#6F66CC
HEX#6F66CC
RGBrgb(111, 102, 204)
RGB (0–1)0.4353, 0.4, 0.8
RGB percentages43.5%, 40%, 80%
HSLhsl(245.3, 50%, 60%)
HSV / HSBhsv(245.3, 50%, 80%)
CMYK45.6%, 50%, 0%, 20%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer7,300,812
CSS custom property--colour: #6F66CC;

Brightness & contrast

Relative luminance0.17242WCAG 2.x, 0 is black and 1 is white
Perceived brightness120.6 of 255ITU-R BT.601 weighting
Light or darkDark
Best text colour on this backgroundWhitecontrast 4.72:1
Contrast with white4.72:1WCAG normal text: AA
Contrast with black4.45:1WCAG normal text: Fail
Greyscale equivalent#6F6F6F
Inverted#909933

Colour vision & accessibility

Normal visionProtanopiaDeuteranopiaTritanopia
Protanopia#3976D0no red cones; affects about 1% of men; ΔE 18.8 from the original
Deuteranopia#3570CAno green cones; the most common form, about 1% of men; ΔE 17.8 from the original
Tritanopia#517C8Fno blue cones; rare, and affects men and women equally; ΔE 54 from the original
Distinguishable without hueYesnever rely on hue alone to carry meaning
Contrast with white, large text4.72:1WCAG large text: AAA
Contrast with black, large text4.45:1WCAG large text: AA

Named colours

Slate blue · ΔE 9.2Medium purple · ΔE 9.8Royal blue · ΔE 13.7Medium slateblue · ΔE 18Dark slateblue · ΔE 20.6Rebecca purple · ΔE 21.1
Nearest named CSS colourSlate blue (#6A5ACD)ΔE 9.2, clearly different but related
Hue familyblue
CSS keyword usableNo exact keyword

Colour harmonies

base+30°+90°+120°+180°+210°+240°+270°+330°
Complementary#C3CC66
Analogous#6690CC, #A266CC
Triadic#CC6F66, #66CC6F
Split complementary#CCA266, #90CC66
Tetradic#CC6690, #C3CC66, #66CCA2

Tints, shades & saturation

+40%+30%+20%+10%base-10%-20%-30%-40%
Lighter +40%#FFFFFF
Lighter +30%#DBD9F2
Lighter +20%#B7B3E6
Lighter +10%#938CD9
Darker −10%#4B40BF
Darker −20%#3C3399
Darker −30%#2D2673
Darker −40%#1E1A4D
More saturated +25%#5A4DE6
Less saturated −25%#8480B3

Channel breakdown

R111
G102
B204
Red111 (43.5%)
Green102 (40%)
Blue204 (80%)
Hue245.29°
Saturation (HSL)50%
Lightness60%
Dominant channelBlue
Hex per channelR 6F · G 66 · B CC

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Every value on this page was computed from “6f66cc” by Nerdulator’s colour engine. Nothing here was retrieved from a database of answers or written by a model.