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Recognised as Colour

#656BFF

  • #656BFF
  • Blue
  • Dark
  • Nearest: Medium slateblue

#656BFF is a blue with RGB values 101, 107, 255 and HSL 238°, 100%, 70%. It is a dark colour, so black text on it reaches 5.1:1 contrast (AA for normal text). The nearest named colour is Medium slateblue.

Colour values

#656BFF#656BFF
HEX#656BFF
RGBrgb(101, 107, 255)
RGB (0–1)0.3961, 0.4196, 1
RGB percentages39.6%, 42%, 100%
HSLhsl(237.7, 100%, 69.8%)
HSV / HSBhsv(237.7, 60.4%, 100%)
CMYK60.4%, 58%, 0%, 0%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer6,646,783
CSS custom property--colour: #656BFF;

Brightness & contrast

Relative luminance0.20502WCAG 2.x, 0 is black and 1 is white
Perceived brightness131.1 of 255ITU-R BT.601 weighting
Light or darkDark
Best text colour on this backgroundBlackcontrast 5.1:1
Contrast with white4.12:1WCAG normal text: Fail
Contrast with black5.1:1WCAG normal text: AA
Greyscale equivalent#747474
Inverted#9A9400

Colour vision & accessibility

Normal visionProtanopiaDeuteranopiaTritanopia
Protanopia#0084FFno red cones; affects about 1% of men; ΔE 25 from the original
Deuteranopia#0076FCno green cones; the most common form, about 1% of men; ΔE 16.6 from the original
Tritanopia#008FABno blue cones; rare, and affects men and women equally; ΔE 80.4 from the original
Distinguishable without hueShifts in lightness toonever rely on hue alone to carry meaning
Contrast with white, large text4.12:1WCAG large text: AA
Contrast with black, large text5.1:1WCAG large text: AAA

Named colours

Medium slateblue · ΔE 9.2Royal blue · ΔE 17.6Slate blue · ΔE 18.7Medium purple · ΔE 24.9Dark orchid · ΔE 30Blue violet · ΔE 31.1
Nearest named CSS colourMedium slateblue (#7B68EE)ΔE 9.16, clearly different but related
Hue familyblue
CSS keyword usableNo exact keyword

Colour harmonies

base+30°+90°+120°+180°+210°+240°+270°+330°
Complementary#FFF965
Analogous#65B8FF, #AC65FF
Triadic#FF656B, #6BFF65
Split complementary#FFAC65, #B8FF65
Tetradic#FF65B8, #FFF965, #65FFAC

Tints, shades & saturation

+40%+30%+20%+10%base-10%-20%-30%-40%
Lighter +40%#FFFFFF
Lighter +30%#FEFEFF
Lighter +20%#CBCDFF
Lighter +10%#989CFF
Darker −10%#323AFF
Darker −20%#000AFE
Darker −30%#0008CB
Darker −40%#000698
More saturated +25%#656BFF
Less saturated −25%#787DEC

Channel breakdown

R101
G107
B255
Red101 (39.6%)
Green107 (42%)
Blue255 (100%)
Hue237.66°
Saturation (HSL)100%
Lightness69.8%
Dominant channelBlue
Hex per channelR 65 · G 6B · B FF

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