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Recognised as Colour

#2E81DF

  • #2E81DF
  • Blue
  • Dark
  • Nearest: Cornflower blue

#2E81DF is a blue with RGB values 46, 129, 223 and HSL 212°, 73%, 53%. It is a dark colour, so black text on it reaches 5.3:1 contrast (AA for normal text). The nearest named colour is Cornflower blue.

Colour values

#2E81DF#2E81DF
HEX#2E81DF
RGBrgb(46, 129, 223)
RGB (0–1)0.1804, 0.5059, 0.8745
RGB percentages18%, 50.6%, 87.5%
HSLhsl(211.9, 73.4%, 52.7%)
HSV / HSBhsv(211.9, 79.4%, 87.5%)
CMYK79.4%, 42.2%, 0%, 12.5%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer3,047,903
CSS custom property--colour: #2E81DF;

Brightness & contrast

Relative luminance0.21609WCAG 2.x, 0 is black and 1 is white
Perceived brightness126.8 of 255ITU-R BT.601 weighting
Light or darkDark
Best text colour on this backgroundBlackcontrast 5.32:1
Contrast with white3.95:1WCAG normal text: Fail
Contrast with black5.32:1WCAG normal text: AA
Greyscale equivalent#767676
Inverted#D17E20

Colour vision & accessibility

Normal visionProtanopiaDeuteranopiaTritanopia
Protanopia#5289E3no red cones; affects about 1% of men; ΔE 5.5 from the original
Deuteranopia#3179DDno green cones; the most common form, about 1% of men; ΔE 5.7 from the original
Tritanopia#0097A5no blue cones; rare, and affects men and women equally; ΔE 52.7 from the original
Distinguishable without hueShifts in lightness toonever rely on hue alone to carry meaning
Contrast with white, large text3.95:1WCAG large text: AA
Contrast with black, large text5.32:1WCAG large text: AAA

Named colours

Cornflower blue · ΔE 10.1Dodgerblue · ΔE 10.4Royal blue · ΔE 21.5Steel blue · ΔE 25.9Medium purple · ΔE 28.9Slate blue · ΔE 29.1
Nearest named CSS colourCornflower blue (#6495ED)ΔE 10.06, a distinctly different colour
Hue familyblue
CSS keyword usableNo exact keyword

Colour harmonies

base+30°+90°+120°+180°+210°+240°+270°+330°
Complementary#DF8C2E
Analogous#2ED9DF, #342EDF
Triadic#DF2E81, #81DF2E
Split complementary#DF342E, #D9DF2E
Tetradic#DF2ED9, #DF8C2E, #2EDF34

Tints, shades & saturation

+40%+30%+20%+10%base-10%-20%-30%-40%
Lighter +40%#DFECFA
Lighter +30%#B3D1F3
Lighter +20%#86B6ED
Lighter +10%#5A9CE6
Darker −10%#1D68BD
Darker −20%#165091
Darker −30%#0F3765
Darker −40%#091F38
More saturated +25%#107FFD
Less saturated −25%#4C83C1

Channel breakdown

R46
G129
B223
Red46 (18%)
Green129 (50.6%)
Blue223 (87.5%)
Hue211.86°
Saturation (HSL)73.44%
Lightness52.75%
Dominant channelBlue
Hex per channelR 2E · G 81 · B DF

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Every value on this page was computed from “2e81df” by Nerdulator’s colour engine. Nothing here was retrieved from a database of answers or written by a model.