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Recognised as Colour

#656CC1

  • #656CC1
  • Blue
  • Dark
  • Nearest: Cornflower blue

#656CC1 is a blue with RGB values 101, 108, 193 and HSL 235°, 43%, 58%. It is a dark colour, so white text on it reaches 4.7:1 contrast (AA for normal text). The nearest named colour is Cornflower blue.

Colour values

#656CC1#656CC1
HEX#656CC1
RGBrgb(101, 108, 193)
RGB (0–1)0.3961, 0.4235, 0.7569
RGB percentages39.6%, 42.4%, 75.7%
HSLhsl(235.4, 42.6%, 57.6%)
HSV / HSBhsv(235.4, 47.7%, 75.7%)
CMYK47.7%, 44%, 0%, 24.3%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer6,646,977
CSS custom property--colour: #656CC1;

Brightness & contrast

Relative luminance0.17342WCAG 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 4.7:1
Contrast with white4.7:1WCAG normal text: AA
Contrast with black4.47:1WCAG normal text: Fail
Greyscale equivalent#717171
Inverted#9A933E

Colour vision & accessibility

Normal visionProtanopiaDeuteranopiaTritanopia
Protanopia#4A77C4no red cones; affects about 1% of men; ΔE 11.7 from the original
Deuteranopia#4270BFno green cones; the most common form, about 1% of men; ΔE 10.5 from the original
Tritanopia#437E8Dno blue cones; rare, and affects men and women equally; ΔE 47.2 from the original
Distinguishable without hueYesnever rely on hue alone to carry meaning
Contrast with white, large text4.7:1WCAG large text: AAA
Contrast with black, large text4.47:1WCAG large text: AA

Named colours

Cornflower blue · ΔE 17.6Medium purple · ΔE 18.2Dark slateblue · ΔE 19.1Slate blue · ΔE 20.2Royal blue · ΔE 20.6Dodgerblue · ΔE 23.3
Nearest named CSS colourCornflower blue (#6495ED)ΔE 17.61, a distinctly different colour
Hue familyblue
CSS keyword usableNo exact keyword

Colour harmonies

base+30°+90°+120°+180°+210°+240°+270°+330°
Complementary#C1BA65
Analogous#659AC1, #8C65C1
Triadic#C1656C, #6CC165
Split complementary#C18C65, #9AC165
Tetradic#C1659A, #C1BA65, #65C18C

Tints, shades & saturation

+40%+30%+20%+10%base-10%-20%-30%-40%
Lighter +40%#F6F7FC
Lighter +30%#D2D4ED
Lighter +20%#AEB1DE
Lighter +10%#898FD0
Darker −10%#464EAD
Darker −20%#373D89
Darker −30%#282D65
Darker −40%#1A1D40
More saturated +25%#4A55DC
Less saturated −25%#8083A6

Channel breakdown

R101
G108
B193
Red101 (39.6%)
Green108 (42.4%)
Blue193 (75.7%)
Hue235.43°
Saturation (HSL)42.59%
Lightness57.65%
Dominant channelBlue
Hex per channelR 65 · G 6C · B C1

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Every value on this page was computed from “656cc1” by Nerdulator’s colour engine. Nothing here was retrieved from a database of answers or written by a model.