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Recognised as Colour

#6656F2

  • #6656F2
  • Blue
  • Dark
  • Nearest: Medium slateblue

#6656F2 is a blue with RGB values 102, 86, 242 and HSL 246°, 86%, 64%. It is a dark colour, so white text on it reaches 5:1 contrast (AA for normal text). The nearest named colour is Medium slateblue.

Colour values

#6656F2#6656F2
HEX#6656F2
RGBrgb(102, 86, 242)
RGB (0–1)0.4, 0.3373, 0.949
RGB percentages40%, 33.7%, 94.9%
HSLhsl(246.2, 85.7%, 64.3%)
HSV / HSBhsv(246.2, 64.5%, 94.9%)
CMYK57.9%, 64.5%, 0%, 5.1%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer6,706,930
CSS custom property--colour: #6656F2;

Brightness & contrast

Relative luminance0.15891WCAG 2.x, 0 is black and 1 is white
Perceived brightness118.9 of 255ITU-R BT.601 weighting
Light or darkDark
Best text colour on this backgroundWhitecontrast 5.03:1
Contrast with white5.03:1WCAG normal text: AA
Contrast with black4.18:1WCAG normal text: Fail
Greyscale equivalent#656565
Inverted#99A90D

Colour vision & accessibility

Normal visionProtanopiaDeuteranopiaTritanopia
Protanopia#0075F7no red cones; affects about 1% of men; ΔE 26.9 from the original
Deuteranopia#0069EFno green cones; the most common form, about 1% of men; ΔE 21.8 from the original
Tritanopia#037E9Dno blue cones; rare, and affects men and women equally; ΔE 84.1 from the original
Distinguishable without hueShifts in lightness toonever rely on hue alone to carry meaning
Contrast with white, large text5.03:1WCAG large text: AAA
Contrast with black, large text4.18:1WCAG large text: AA

Named colours

Medium slateblue · ΔE 14.4Blue violet · ΔE 21.6Slate blue · ΔE 22.6Dark orchid · ΔE 23.3Royal blue · ΔE 25.2Dark violet · ΔE 29.1
Nearest named CSS colourMedium slateblue (#7B68EE)ΔE 14.45, a distinctly different colour
Hue familyblue
CSS keyword usableNo exact keyword

Colour harmonies

base+30°+90°+120°+180°+210°+240°+270°+330°
Complementary#E2F256
Analogous#5694F2, #B456F2
Triadic#F26656, #56F266
Split complementary#F2B456, #94F256
Tetradic#F25694, #E2F256, #56F2B4

Tints, shades & saturation

+40%+30%+20%+10%base-10%-20%-30%-40%
Lighter +40%#FFFFFF
Lighter +30%#E7E4FD
Lighter +20%#BCB5F9
Lighter +10%#9185F6
Darker −10%#3B27EE
Darker −20%#2410D2
Darker −30%#1C0DA3
Darker −40%#140973
More saturated +25%#5C49FF
Less saturated −25%#786DDB

Channel breakdown

R102
G86
B242
Red102 (40%)
Green86 (33.7%)
Blue242 (94.9%)
Hue246.15°
Saturation (HSL)85.71%
Lightness64.31%
Dominant channelBlue
Hex per channelR 66 · G 56 · B F2

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Every value on this page was computed from “6656f2” by Nerdulator’s colour engine. Nothing here was retrieved from a database of answers or written by a model.