Nerdulator> put something in

Recognised as Colour

#5183D6

  • #5183D6
  • Blue
  • Dark
  • Nearest: Cornflower blue

#5183D6 is a blue with RGB values 81, 131, 214 and HSL 217°, 62%, 58%. It is a dark colour, so black text on it reaches 5.6:1 contrast (AA for normal text). The nearest named colour is Cornflower blue.

Colour values

#5183D6#5183D6
HEX#5183D6
RGBrgb(81, 131, 214)
RGB (0–1)0.3176, 0.5137, 0.8392
RGB percentages31.8%, 51.4%, 83.9%
HSLhsl(217.4, 61.9%, 57.8%)
HSV / HSBhsv(217.4, 62.1%, 83.9%)
CMYK62.1%, 38.8%, 0%, 16.1%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer5,342,166
CSS custom property--colour: #5183D6;

Brightness & contrast

Relative luminance0.22837WCAG 2.x, 0 is black and 1 is white
Perceived brightness131.4 of 255ITU-R BT.601 weighting
Light or darkDark
Best text colour on this backgroundBlackcontrast 5.57:1
Contrast with white3.77:1WCAG normal text: Fail
Contrast with black5.57:1WCAG normal text: AA
Greyscale equivalent#7E7E7E
Inverted#AE7C29

Colour vision & accessibility

Normal visionProtanopiaDeuteranopiaTritanopia
Protanopia#5F8AD9no red cones; affects about 1% of men; ΔE 3.9 from the original
Deuteranopia#4C7ED4no green cones; the most common form, about 1% of men; ΔE 2.8 from the original
Tritanopia#0096A2no blue cones; rare, and affects men and women equally; ΔE 49.1 from the original
Distinguishable without hueYesnever rely on hue alone to carry meaning
Contrast with white, large text3.77:1WCAG large text: AA
Contrast with black, large text5.57:1WCAG large text: AAA

Named colours

Cornflower blue · ΔE 7.2Dodgerblue · ΔE 16.4Steel blue · ΔE 20.3Royal blue · ΔE 25.7Medium purple · ΔE 28.1Dark slateblue · ΔE 30.1
Nearest named CSS colourCornflower blue (#6495ED)ΔE 7.23, clearly different but related
Hue familyblue
CSS keyword usableNo exact keyword

Colour harmonies

base+30°+90°+120°+180°+210°+240°+270°+330°
Complementary#D6A451
Analogous#51C5D6, #6251D6
Triadic#D65183, #83D651
Split complementary#D66251, #C5D651
Tetradic#D651C5, #D6A451, #51D662

Tints, shades & saturation

+40%+30%+20%+10%base-10%-20%-30%-40%
Lighter +40%#F6F9FD
Lighter +30%#CDDBF3
Lighter +20%#A4BEE9
Lighter +10%#7AA0E0
Darker −10%#2F67C5
Darker −20%#25529C
Darker −30%#1B3C73
Darker −40%#11274A
More saturated +25%#367CF1
Less saturated −25%#6C8ABB

Channel breakdown

R81
G131
B214
Red81 (31.8%)
Green131 (51.4%)
Blue214 (83.9%)
Hue217.44°
Saturation (HSL)61.86%
Lightness57.84%
Dominant channelBlue
Hex per channelR 51 · G 83 · B D6

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 “5183d6” by Nerdulator’s colour engine. Nothing here was retrieved from a database of answers or written by a model.