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Recognised as Colour

#4277FC

  • #4277FC
  • Blue
  • Dark
  • Nearest: Royal blue

#4277FC is a blue with RGB values 66, 119, 252 and HSL 223°, 97%, 62%. It is a dark colour, so black text on it reaches 5.3:1 contrast (AA for normal text). The nearest named colour is Royal blue.

Colour values

#4277FC#4277FC
HEX#4277FC
RGBrgb(66, 119, 252)
RGB (0–1)0.2588, 0.4667, 0.9882
RGB percentages25.9%, 46.7%, 98.8%
HSLhsl(222.9, 96.9%, 62.4%)
HSV / HSBhsv(222.9, 73.8%, 98.8%)
CMYK73.8%, 52.8%, 0%, 1.2%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer4,356,092
CSS custom property--colour: #4277FC;

Brightness & contrast

Relative luminance0.2138WCAG 2.x, 0 is black and 1 is white
Perceived brightness129.8 of 255ITU-R BT.601 weighting
Light or darkDark
Best text colour on this backgroundBlackcontrast 5.28:1
Contrast with white3.98:1WCAG normal text: Fail
Contrast with black5.28:1WCAG normal text: AA
Greyscale equivalent#757575
Inverted#BD8803

Colour vision & accessibility

Normal visionProtanopiaDeuteranopiaTritanopia
Protanopia#0A88FFno red cones; affects about 1% of men; ΔE 14.3 from the original
Deuteranopia#0077F9no green cones; the most common form, about 1% of men; ΔE 5.5 from the original
Tritanopia#0097AEno blue cones; rare, and affects men and women equally; ΔE 72.4 from the original
Distinguishable without hueShifts in lightness toonever rely on hue alone to carry meaning
Contrast with white, large text3.98:1WCAG large text: AA
Contrast with black, large text5.28:1WCAG large text: AAA

Named colours

Royal blue · ΔE 8.3Medium slateblue · ΔE 15.1Slate blue · ΔE 18.1Dodgerblue · ΔE 20Medium purple · ΔE 23.4Cornflower blue · ΔE 29.7
Nearest named CSS colourRoyal blue (#4169E1)ΔE 8.32, clearly different but related
Hue familyblue
CSS keyword usableNo exact keyword

Colour harmonies

base+30°+90°+120°+180°+210°+240°+270°+330°
Complementary#FCC742
Analogous#42D4FC, #6A42FC
Triadic#FC4277, #77FC42
Split complementary#FC6A42, #D4FC42
Tetradic#FC42D4, #FCC742, #42FC6A

Tints, shades & saturation

+40%+30%+20%+10%base-10%-20%-30%-40%
Lighter +40%#FFFFFF
Lighter +30%#D9E3FE
Lighter +20%#A6BFFE
Lighter +10%#749BFD
Darker −10%#1053FB
Darker −20%#033FD5
Darker −30%#0330A2
Darker −40%#022170
More saturated +25%#3F76FF
Less saturated −25%#5A81E4

Channel breakdown

R66
G119
B252
Red66 (25.9%)
Green119 (46.7%)
Blue252 (98.8%)
Hue222.9°
Saturation (HSL)96.88%
Lightness62.35%
Dominant channelBlue
Hex per channelR 42 · G 77 · B FC

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Every value on this page was computed from “4277fc” by Nerdulator’s colour engine. Nothing here was retrieved from a database of answers or written by a model.