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Recognised as Colour

#2777DA

  • #2777DA
  • Blue
  • Dark
  • Nearest: Dodgerblue

#2777DA is a blue with RGB values 39, 119, 218 and HSL 213°, 71%, 50%. It is a dark colour, so black text on it reaches 4.7:1 contrast (AA for normal text). The nearest named colour is Dodgerblue.

Colour values

#2777DA#2777DA
HEX#2777DA
RGBrgb(39, 119, 218)
RGB (0–1)0.1529, 0.4667, 0.8549
RGB percentages15.3%, 46.7%, 85.5%
HSLhsl(213.2, 70.8%, 50.4%)
HSV / HSBhsv(213.2, 82.1%, 85.5%)
CMYK82.1%, 45.4%, 0%, 14.5%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer2,586,586
CSS custom property--colour: #2777DA;

Brightness & contrast

Relative luminance0.18687WCAG 2.x, 0 is black and 1 is white
Perceived brightness119.1 of 255ITU-R BT.601 weighting
Light or darkDark
Best text colour on this backgroundBlackcontrast 4.74:1
Contrast with white4.43:1WCAG normal text: Fail
Contrast with black4.74:1WCAG normal text: AA
Greyscale equivalent#6D6D6D
Inverted#D88825

Colour vision & accessibility

Normal visionProtanopiaDeuteranopiaTritanopia
Protanopia#4180DEno red cones; affects about 1% of men; ΔE 5.1 from the original
Deuteranopia#1370D8no green cones; the most common form, about 1% of men; ΔE 4.4 from the original
Tritanopia#008F9Eno blue cones; rare, and affects men and women equally; ΔE 55.7 from the original
Distinguishable without hueShifts in lightness toonever rely on hue alone to carry meaning
Contrast with white, large text4.43:1WCAG large text: AA
Contrast with black, large text4.74:1WCAG large text: AAA

Named colours

Dodgerblue · ΔE 11.1Cornflower blue · ΔE 14.4Royal blue · ΔE 16.5Slate blue · ΔE 24.6Medium purple · ΔE 26.3Dark slateblue · ΔE 28.5
Nearest named CSS colourDodgerblue (#1E90FF)ΔE 11.08, a distinctly different colour
Hue familyblue
CSS keyword usableNo exact keyword

Colour harmonies

base+30°+90°+120°+180°+210°+240°+270°+330°
Complementary#DA8A27
Analogous#27D1DA, #3027DA
Triadic#DA2777, #77DA27
Split complementary#DA3027, #D1DA27
Tetradic#DA27D1, #DA8A27, #27DA31

Tints, shades & saturation

+40%+30%+20%+10%base-10%-20%-30%-40%
Lighter +40%#D5E5F8
Lighter +30%#AAC9F0
Lighter +20%#7EAEE9
Lighter +10%#5392E1
Darker −10%#1E5FB0
Darker −20%#174884
Darker −30%#0F3059
Darker −40%#08192D
More saturated +25%#0774FA
Less saturated −25%#477ABA

Channel breakdown

R39
G119
B218
Red39 (15.3%)
Green119 (46.7%)
Blue218 (85.5%)
Hue213.18°
Saturation (HSL)70.75%
Lightness50.39%
Dominant channelBlue
Hex per channelR 27 · G 77 · B DA

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Every value on this page was computed from “2777da” by Nerdulator’s colour engine. Nothing here was retrieved from a database of answers or written by a model.