Nerdulator> put something in

Recognised as Colour

#3173D1

  • #3173D1
  • Blue
  • Dark
  • Nearest: Dodgerblue

#3173D1 is a blue with RGB values 49, 115, 209 and HSL 215°, 63%, 51%. It is a dark colour, so white text on it reaches 4.7:1 contrast (AA for normal text). The nearest named colour is Dodgerblue.

Colour values

#3173D1#3173D1
HEX#3173D1
RGBrgb(49, 115, 209)
RGB (0–1)0.1922, 0.451, 0.8196
RGB percentages19.2%, 45.1%, 82%
HSLhsl(215.3, 63.5%, 50.6%)
HSV / HSBhsv(215.3, 76.6%, 82%)
CMYK76.6%, 45%, 0%, 18%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer3,240,913
CSS custom property--colour: #3173D1;

Brightness & contrast

Relative luminance0.17518WCAG 2.x, 0 is black and 1 is white
Perceived brightness116 of 255ITU-R BT.601 weighting
Light or darkDark
Best text colour on this backgroundWhitecontrast 4.66:1
Contrast with white4.66:1WCAG normal text: AA
Contrast with black4.5:1WCAG normal text: AA
Greyscale equivalent#6C6C6C
Inverted#CE8C2E

Colour vision & accessibility

Normal visionProtanopiaDeuteranopiaTritanopia
Protanopia#427CD5no red cones; affects about 1% of men; ΔE 4.9 from the original
Deuteranopia#1F6DCFno green cones; the most common form, about 1% of men; ΔE 3.7 from the original
Tritanopia#008998no blue cones; rare, and affects men and women equally; ΔE 53.2 from the original
Distinguishable without hueShifts in lightness toonever rely on hue alone to carry meaning
Contrast with white, large text4.66:1WCAG large text: AAA
Contrast with black, large text4.5:1WCAG large text: AAA

Named colours

Dodgerblue · ΔE 13.9Cornflower blue · ΔE 14.3Royal blue · ΔE 17.8Slate blue · ΔE 24.4Medium purple · ΔE 25.8Dark slateblue · ΔE 26
Nearest named CSS colourDodgerblue (#1E90FF)ΔE 13.91, a distinctly different colour
Hue familyblue
CSS keyword usableNo exact keyword

Colour harmonies

base+30°+90°+120°+180°+210°+240°+270°+330°
Complementary#D18F31
Analogous#31C3D1, #3F31D1
Triadic#D13173, #73D131
Split complementary#D13F31, #C3D131
Tetradic#D131C3, #D18F31, #31D13F

Tints, shades & saturation

+40%+30%+20%+10%base-10%-20%-30%-40%
Lighter +40%#D8E4F6
Lighter +30%#AEC8ED
Lighter +20%#84ACE4
Lighter +10%#5B8FDA
Darker −10%#265CA9
Darker −20%#1C4580
Darker −30%#132F56
Darker −40%#0A182C
More saturated +25%#116DF1
Less saturated −25%#5179B2

Channel breakdown

R49
G115
B209
Red49 (19.2%)
Green115 (45.1%)
Blue209 (82%)
Hue215.25°
Saturation (HSL)63.49%
Lightness50.59%
Dominant channelBlue
Hex per channelR 31 · G 73 · B D1

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 “3173d1” by Nerdulator’s colour engine. Nothing here was retrieved from a database of answers or written by a model.