Nerdulator> put something in

Colour

#3C81E9

  • #3C81E9
  • Blue
  • Dark
  • Nearest: Dodgerblue

#3C81E9 is a blue with RGB values 60, 129, 233 and HSL 216°, 80%, 57%. It is a dark colour, so black text on it reaches 5.5:1 contrast (AA for normal text). The nearest named colour is Dodgerblue.

Colour values

#3C81E9#3C81E9
HEX#3C81E9
RGBrgb(60, 129, 233)
RGB (0–1)0.2353, 0.5059, 0.9137
RGB percentages23.5%, 50.6%, 91.4%
HSLhsl(216.1, 79.7%, 57.5%)
HSV / HSBhsv(216.1, 74.2%, 91.4%)
CMYK74.2%, 44.6%, 0%, 8.6%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer3,965,417
CSS custom property--colour: #3C81E9;

Brightness & contrast

Relative luminance0.22544WCAG 2.x, 0 is black and 1 is white
Perceived brightness130.5 of 255ITU-R BT.601 weighting
Light or darkDark
Best text colour on this backgroundBlackcontrast 5.51:1
Contrast with white3.81:1WCAG normal text: Fail
Contrast with black5.51:1WCAG normal text: AA
Greyscale equivalent#7A7A7A
Inverted#C37E16

Colour vision & accessibility

Normal visionProtanopiaDeuteranopiaTritanopia
Protanopia#4B8BEDno red cones; affects about 1% of men; ΔE 5.6 from the original
Deuteranopia#267BE7no green cones; the most common form, about 1% of men; ΔE 3.7 from the original
Tritanopia#009AAAno blue cones; rare, and affects men and women equally; ΔE 58.2 from the original
Distinguishable without hueShifts in lightness toonever rely on hue alone to carry meaning
Contrast with white, large text3.81:1WCAG large text: AA
Contrast with black, large text5.51:1WCAG large text: AAA

Named colours

Dodgerblue · ΔE 7.5Cornflower blue · ΔE 12.8Royal blue · ΔE 15.8Slate blue · ΔE 24.3Medium purple · ΔE 24.8Medium slateblue · ΔE 28.4
Nearest named CSS colourDodgerblue (#1E90FF)ΔE 7.5, clearly different but related
Hue familyblue
CSS keyword usableNo exact keyword

Colour harmonies

base+30°+90°+120°+180°+210°+240°+270°+330°
Complementary#E9A43C
Analogous#3CD7E9, #4E3CE9
Triadic#E93C81, #81E93C
Split complementary#E94D3C, #D8E93C
Tetradic#E93CD7, #E9A43C, #3CE94D

Tints, shades & saturation

+40%+30%+20%+10%base-10%-20%-30%-40%
Lighter +40%#F3F7FE
Lighter +30%#C5DAF9
Lighter +20%#98BCF3
Lighter +10%#6A9FEE
Darker −10%#1965D9
Darker −20%#1350AC
Darker −30%#0E3B7E
Darker −40%#092550
More saturated +25%#267DFF
Less saturated −25%#5786CE

Channel breakdown

R60
G129
B233
Red60 (23.5%)
Green129 (50.6%)
Blue233 (91.4%)
Hue216.07°
Saturation (HSL)79.72%
Lightness57.45%
Dominant channelBlue
Hex per channelR 3C · G 81 · B E9

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 “3c81e9” by Nerdulator’s colour engine. Nothing here was retrieved from a database of answers or written by a model.