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Recognised as Colour

#656AB0

  • #656AB0
  • Blue
  • Dark
  • Nearest: Dark slateblue

#656AB0 is a blue with RGB values 101, 106, 176 and HSL 236°, 32%, 54%. It is a dark colour, so white text on it reaches 5:1 contrast (AA for normal text). The nearest named colour is Dark slateblue.

Colour values

#656AB0#656AB0
HEX#656AB0
RGBrgb(101, 106, 176)
RGB (0–1)0.3961, 0.4157, 0.6902
RGB percentages39.6%, 41.6%, 69%
HSLhsl(236, 32.2%, 54.3%)
HSV / HSBhsv(236, 42.6%, 69%)
CMYK42.6%, 39.8%, 0%, 31%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer6,646,448
CSS custom property--colour: #656AB0;

Brightness & contrast

Relative luminance0.16209WCAG 2.x, 0 is black and 1 is white
Perceived brightness114.8 of 255ITU-R BT.601 weighting
Light or darkDark
Best text colour on this backgroundWhitecontrast 4.95:1
Contrast with white4.95:1WCAG normal text: AA
Contrast with black4.24:1WCAG normal text: Fail
Greyscale equivalent#6E6E6E
Inverted#9A954F

Colour vision & accessibility

Normal visionProtanopiaDeuteranopiaTritanopia
Protanopia#5173B3no red cones; affects about 1% of men; ΔE 9.6 from the original
Deuteranopia#4C6DAEno green cones; the most common form, about 1% of men; ΔE 8.6 from the original
Tritanopia#4D7884no blue cones; rare, and affects men and women equally; ΔE 38.6 from the original
Distinguishable without hueYesnever rely on hue alone to carry meaning
Contrast with white, large text4.95:1WCAG large text: AAA
Contrast with black, large text4.24:1WCAG large text: AA

Named colours

Dark slateblue · ΔE 19.5Cornflower blue · ΔE 19.9Steel blue · ΔE 21.9Medium purple · ΔE 25Slate blue · ΔE 28Dodgerblue · ΔE 28.9
Nearest named CSS colourDark slateblue (#483D8B)ΔE 19.49, a distinctly different colour
Hue familyblue
CSS keyword usableNo exact keyword

Colour harmonies

base+30°+90°+120°+180°+210°+240°+270°+330°
Complementary#B0AB65
Analogous#6590B0, #8665B0
Triadic#B0656A, #6AB065
Split complementary#B08565, #8FB065
Tetradic#B0658F, #B0AB65, #65B085

Tints, shades & saturation

+40%+30%+20%+10%base-10%-20%-30%-40%
Lighter +40%#ECECF5
Lighter +30%#CACCE4
Lighter +20%#A8ABD3
Lighter +10%#878BC1
Darker −10%#4D5195
Darker −20%#3B3F74
Darker −30%#2A2D52
Darker −40%#191A30
More saturated +25%#4851CD
Less saturated −25%#828393

Channel breakdown

R101
G106
B176
Red101 (39.6%)
Green106 (41.6%)
Blue176 (69%)
Hue236°
Saturation (HSL)32.19%
Lightness54.31%
Dominant channelBlue
Hex per channelR 65 · G 6A · B B0

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Every value on this page was computed from “656ab0” by Nerdulator’s colour engine. Nothing here was retrieved from a database of answers or written by a model.