Nerdulator> put something in

Colour

#5179FF

  • #5179FF
  • Blue
  • Dark
  • Nearest: Royal blue

#5179FF is a blue with RGB values 81, 121, 255 and HSL 226°, 100%, 66%. It is a dark colour, so black text on it reaches 5.5:1 contrast (AA for normal text). The nearest named colour is Royal blue.

Colour values

#5179FF#5179FF
HEX#5179FF
RGBrgb(81, 121, 255)
RGB (0–1)0.3176, 0.4745, 1
RGB percentages31.8%, 47.5%, 100%
HSLhsl(226.2, 100%, 65.9%)
HSV / HSBhsv(226.2, 68.2%, 100%)
CMYK68.2%, 52.5%, 0%, 0%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer5,339,647
CSS custom property--colour: #5179FF;

Brightness & contrast

Relative luminance0.22644WCAG 2.x, 0 is black and 1 is white
Perceived brightness134 of 255ITU-R BT.601 weighting
Light or darkDark
Best text colour on this backgroundBlackcontrast 5.53:1
Contrast with white3.8:1WCAG normal text: Fail
Contrast with black5.53:1WCAG normal text: AA
Greyscale equivalent#7A7A7A
Inverted#AE8600

Colour vision & accessibility

Normal visionProtanopiaDeuteranopiaTritanopia
Protanopia#188BFFno red cones; affects about 1% of men; ΔE 17.4 from the original
Deuteranopia#007BFCno green cones; the most common form, about 1% of men; ΔE 8.5 from the original
Tritanopia#0099B0no blue cones; rare, and affects men and women equally; ΔE 73.4 from the original
Distinguishable without hueShifts in lightness toonever rely on hue alone to carry meaning
Contrast with white, large text3.8:1WCAG large text: AA
Contrast with black, large text5.53:1WCAG large text: AAA

Named colours

Royal blue · ΔE 9.3Medium slateblue · ΔE 13.5Slate blue · ΔE 17.5Dodgerblue · ΔE 21Medium purple · ΔE 22.2Cornflower blue · ΔE 30.1
Nearest named CSS colourRoyal blue (#4169E1)ΔE 9.28, clearly different but related
Hue familyblue
CSS keyword usableNo exact keyword

Colour harmonies

base+30°+90°+120°+180°+210°+240°+270°+330°
Complementary#FFD751
Analogous#51D0FF, #8051FF
Triadic#FF5179, #79FF51
Split complementary#FF8051, #D0FF51
Tetradic#FF51D0, #FFD751, #51FF80

Tints, shades & saturation

+40%+30%+20%+10%base-10%-20%-30%-40%
Lighter +40%#FFFFFF
Lighter +30%#EAEFFF
Lighter +20%#B7C8FF
Lighter +10%#84A0FF
Darker −10%#1E52FF
Darker −20%#0036EA
Darker −30%#002AB7
Darker −40%#001E84
More saturated +25%#5179FF
Less saturated −25%#6785E9

Channel breakdown

R81
G121
B255
Red81 (31.8%)
Green121 (47.5%)
Blue255 (100%)
Hue226.21°
Saturation (HSL)100%
Lightness65.88%
Dominant channelBlue
Hex per channelR 51 · G 79 · B FF

Keep nerding

Every link below is a page Nerdulator can generate from what it already knows about this value.

Nerdulate something else

Nothing in mind? Surprise me · today’s page

Every value on this page was computed from “5179ff” by Nerdulator’s colour engine. Nothing here was retrieved from a database of answers or written by a model.