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Colour

#3165FF

  • #3165FF
  • Blue
  • Dark
  • Nearest: Medium slateblue

#3165FF is a blue with RGB values 49, 101, 255 and HSL 225°, 100%, 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 Medium slateblue.

Colour values

#3165FF#3165FF
HEX#3165FF
RGBrgb(49, 101, 255)
RGB (0–1)0.1922, 0.3961, 1
RGB percentages19.2%, 39.6%, 100%
HSLhsl(224.9, 100%, 59.6%)
HSV / HSBhsv(224.9, 80.8%, 100%)
CMYK80.8%, 60.4%, 0%, 0%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer3,237,375
CSS custom property--colour: #3165FF;

Brightness & contrast

Relative luminance0.1718WCAG 2.x, 0 is black and 1 is white
Perceived brightness118.8 of 255ITU-R BT.601 weighting
Light or darkDark
Best text colour on this backgroundWhitecontrast 4.73:1
Contrast with white4.73:1WCAG normal text: AA
Contrast with black4.44:1WCAG normal text: Fail
Greyscale equivalent#656565
Inverted#CE9A00

Colour vision & accessibility

Normal visionProtanopiaDeuteranopiaTritanopia
Protanopia#007DFFno red cones; affects about 1% of men; ΔE 20.1 from the original
Deuteranopia#006AFCno green cones; the most common form, about 1% of men; ΔE 6.7 from the original
Tritanopia#008DA8no blue cones; rare, and affects men and women equally; ΔE 83.3 from the original
Distinguishable without hueShifts in lightness toonever rely on hue alone to carry meaning
Contrast with white, large text4.73:1WCAG large text: AAA
Contrast with black, large text4.44:1WCAG large text: AA

Named colours

Medium slateblue · ΔE 16.4Royal blue · ΔE 19.6Slate blue · ΔE 23.5Medium purple · ΔE 31.6Blue violet · ΔE 33.1Dark orchid · ΔE 34.7
Nearest named CSS colourMedium slateblue (#7B68EE)ΔE 16.36, a distinctly different colour
Hue familyblue
CSS keyword usableNo exact keyword

Colour harmonies

base+30°+90°+120°+180°+210°+240°+270°+330°
Complementary#FFCB31
Analogous#31CCFF, #6431FF
Triadic#FF3165, #65FF31
Split complementary#FF6431, #CCFF31
Tetradic#FF31CC, #FFCB31, #31FF64

Tints, shades & saturation

+40%+30%+20%+10%base-10%-20%-30%-40%
Lighter +40%#FDFEFF
Lighter +30%#CAD7FF
Lighter +20%#97B1FF
Lighter +10%#648BFF
Darker −10%#0040FD
Darker −20%#0033CA
Darker −30%#002697
Darker −40%#001964
More saturated +25%#3165FF
Less saturated −25%#4B72E5

Channel breakdown

R49
G101
B255
Red49 (19.2%)
Green101 (39.6%)
Blue255 (100%)
Hue224.85°
Saturation (HSL)100%
Lightness59.61%
Dominant channelBlue
Hex per channelR 31 · G 65 · B FF

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Every value on this page was computed from “3165ff” by Nerdulator’s colour engine. Nothing here was retrieved from a database of answers or written by a model.