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Recognised as Colour

#4E81D0

  • #4E81D0
  • Blue
  • Dark
  • Nearest: Cornflower blue

#4E81D0 is a blue with RGB values 78, 129, 208 and HSL 216°, 58%, 56%. It is a dark colour, so black text on it reaches 5.4:1 contrast (AA for normal text). The nearest named colour is Cornflower blue.

Colour values

#4E81D0#4E81D0
HEX#4E81D0
RGBrgb(78, 129, 208)
RGB (0–1)0.3059, 0.5059, 0.8157
RGB percentages30.6%, 50.6%, 81.6%
HSLhsl(216.5, 58%, 56.1%)
HSV / HSBhsv(216.5, 62.5%, 81.6%)
CMYK62.5%, 38%, 0%, 18.4%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer5,145,040
CSS custom property--colour: #4E81D0;

Brightness & contrast

Relative luminance0.21874WCAG 2.x, 0 is black and 1 is white
Perceived brightness128.5 of 255ITU-R BT.601 weighting
Light or darkDark
Best text colour on this backgroundBlackcontrast 5.37:1
Contrast with white3.91:1WCAG normal text: Fail
Contrast with black5.37:1WCAG normal text: AA
Greyscale equivalent#7C7C7C
Inverted#B17E2F

Colour vision & accessibility

Normal visionProtanopiaDeuteranopiaTritanopia
Protanopia#5F87D3no red cones; affects about 1% of men; ΔE 3.8 from the original
Deuteranopia#4C7BCEno green cones; the most common form, about 1% of men; ΔE 3.7 from the original
Tritanopia#00939Eno blue cones; rare, and affects men and women equally; ΔE 47.2 from the original
Distinguishable without hueYesnever rely on hue alone to carry meaning
Contrast with white, large text3.91:1WCAG large text: AA
Contrast with black, large text5.37:1WCAG large text: AAA

Named colours

Cornflower blue · ΔE 8.9Steel blue · ΔE 18Dodgerblue · ΔE 18.5Royal blue · ΔE 27.7Medium purple · ΔE 29.6Dark slateblue · ΔE 29.9
Nearest named CSS colourCornflower blue (#6495ED)ΔE 8.92, clearly different but related
Hue familyblue
CSS keyword usableNo exact keyword

Colour harmonies

base+30°+90°+120°+180°+210°+240°+270°+330°
Complementary#D09D4E
Analogous#4EC2D0, #5C4ED0
Triadic#D04E81, #81D04E
Split complementary#D05C4E, #C2D04E
Tetradic#D04EC2, #D09D4E, #4ED05C

Tints, shades & saturation

+40%+30%+20%+10%base-10%-20%-30%-40%
Lighter +40%#EFF4FB
Lighter +30%#C7D7F0
Lighter +20%#9FBAE5
Lighter +10%#769EDB
Darker −10%#3167BA
Darker −20%#275191
Darker −30%#1C3A69
Darker −40%#112441
More saturated +25%#327BEC
Less saturated −25%#6A87B4

Channel breakdown

R78
G129
B208
Red78 (30.6%)
Green129 (50.6%)
Blue208 (81.6%)
Hue216.46°
Saturation (HSL)58.04%
Lightness56.08%
Dominant channelBlue
Hex per channelR 4E · G 81 · B D0

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Every value on this page was computed from “4e81d0” by Nerdulator’s colour engine. Nothing here was retrieved from a database of answers or written by a model.