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Colour

#5175FF

  • #5175FF
  • Blue
  • Dark
  • Nearest: Royal blue

#5175FF is a blue with RGB values 81, 117, 255 and HSL 228°, 100%, 66%. It is a dark colour, so black text on it reaches 5.3:1 contrast (AA for normal text). The nearest named colour is Royal blue.

Colour values

#5175FF#5175FF
HEX#5175FF
RGBrgb(81, 117, 255)
RGB (0–1)0.3176, 0.4588, 1
RGB percentages31.8%, 45.9%, 100%
HSLhsl(227.6, 100%, 65.9%)
HSV / HSBhsv(227.6, 68.2%, 100%)
CMYK68.2%, 54.1%, 0%, 0%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer5,338,623
CSS custom property--colour: #5175FF;

Brightness & contrast

Relative luminance0.21692WCAG 2.x, 0 is black and 1 is white
Perceived brightness131.9 of 255ITU-R BT.601 weighting
Light or darkDark
Best text colour on this backgroundBlackcontrast 5.34:1
Contrast with white3.93:1WCAG normal text: Fail
Contrast with black5.34:1WCAG normal text: AA
Greyscale equivalent#777777
Inverted#AE8A00

Colour vision & accessibility

Normal visionProtanopiaDeuteranopiaTritanopia
Protanopia#0089FFno red cones; affects about 1% of men; ΔE 19.4 from the original
Deuteranopia#0079FCno green cones; the most common form, about 1% of men; ΔE 9.5 from the original
Tritanopia#0096AFno blue cones; rare, and affects men and women equally; ΔE 74.8 from the original
Distinguishable without hueShifts in lightness toonever rely on hue alone to carry meaning
Contrast with white, large text3.93:1WCAG large text: AA
Contrast with black, large text5.34:1WCAG large text: AAA

Named colours

Royal blue · ΔE 10.7Medium slateblue · ΔE 12Slate blue · ΔE 17.5Medium purple · ΔE 23.1Dodgerblue · ΔE 24Cornflower blue · ΔE 33.1
Nearest named CSS colourRoyal blue (#4169E1)ΔE 10.66, a distinctly different colour
Hue familyblue
CSS keyword usableNo exact keyword

Colour harmonies

base+30°+90°+120°+180°+210°+240°+270°+330°
Complementary#FFDB51
Analogous#51CCFF, #8451FF
Triadic#FF5175, #75FF51
Split complementary#FF8451, #CCFF51
Tetradic#FF51CC, #FFDB51, #51FF84

Tints, shades & saturation

+40%+30%+20%+10%base-10%-20%-30%-40%
Lighter +40%#FFFFFF
Lighter +30%#EAEEFF
Lighter +20%#B7C6FF
Lighter +10%#849DFF
Darker −10%#1E4DFF
Darker −20%#0030EA
Darker −30%#0026B7
Darker −40%#001B84
More saturated +25%#5175FF
Less saturated −25%#6782E9

Channel breakdown

R81
G117
B255
Red81 (31.8%)
Green117 (45.9%)
Blue255 (100%)
Hue227.59°
Saturation (HSL)100%
Lightness65.88%
Dominant channelBlue
Hex per channelR 51 · G 75 · B FF

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Every value on this page was computed from “5175ff” by Nerdulator’s colour engine. Nothing here was retrieved from a database of answers or written by a model.