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Recognised as Colour

#4FBBFD

  • #4FBBFD
  • Blue
  • Dark
  • Nearest: Deep skyblue

#4FBBFD is a blue with RGB values 79, 187, 253 and HSL 203°, 98%, 65%. It is a dark colour, so black text on it reaches 9.9:1 contrast (AAA for normal text). The nearest named colour is Deep skyblue.

Colour values

#4FBBFD#4FBBFD
HEX#4FBBFD
RGBrgb(79, 187, 253)
RGB (0–1)0.3098, 0.7333, 0.9922
RGB percentages31%, 73.3%, 99.2%
HSLhsl(202.8, 97.8%, 65.1%)
HSV / HSBhsv(202.8, 68.8%, 99.2%)
CMYK68.8%, 26.1%, 0%, 0.8%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer5,225,469
CSS custom property--colour: #4FBBFD;

Brightness & contrast

Relative luminance0.44295WCAG 2.x, 0 is black and 1 is white
Perceived brightness172.3 of 255ITU-R BT.601 weighting
Light or darkDark
Best text colour on this backgroundBlackcontrast 9.86:1
Contrast with white2.13:1WCAG normal text: Fail
Contrast with black9.86:1WCAG normal text: AAA
Greyscale equivalent#A9A9A9
Inverted#B04402

Colour vision & accessibility

Normal visionProtanopiaDeuteranopiaTritanopia
Protanopia#9CBBFFno red cones; affects about 1% of men; ΔE 17.5 from the original
Deuteranopia#84AAFCno green cones; the most common form, about 1% of men; ΔE 19.6 from the original
Tritanopia#00CCD2no blue cones; rare, and affects men and women equally; ΔE 39 from the original
Distinguishable without hueShifts in lightness toonever rely on hue alone to carry meaning
Contrast with white, large text2.13:1WCAG large text: Fail
Contrast with black, large text9.86:1WCAG large text: AAA

Named colours

Deep skyblue · ΔE 7.2Light skyblue · ΔE 15Sky blue · ΔE 21.8Steel blue · ΔE 23Cornflower blue · ΔE 23.7Light steelblue · ΔE 28.6
Nearest named CSS colourDeep skyblue (#00BFFF)ΔE 7.24, clearly different but related
Hue familyblue
CSS keyword usableNo exact keyword

Colour harmonies

base+30°+90°+120°+180°+210°+240°+270°+330°
Complementary#FD914F
Analogous#4FFDE8, #4F64FD
Triadic#FD4FBB, #BBFD4F
Split complementary#FD4F64, #FDE84F
Tetradic#E84FFD, #FD914F, #64FD4F

Tints, shades & saturation

+40%+30%+20%+10%base-10%-20%-30%-40%
Lighter +40%#FFFFFF
Lighter +30%#E6F5FF
Lighter +20%#B4E2FE
Lighter +10%#81CEFE
Darker −10%#1DA8FC
Darker −20%#038EE3
Darker −30%#026FB1
Darker −40%#014F7F
More saturated +25%#4DBBFF
Less saturated −25%#65B6E7

Channel breakdown

R79
G187
B253
Red79 (31%)
Green187 (73.3%)
Blue253 (99.2%)
Hue202.76°
Saturation (HSL)97.75%
Lightness65.1%
Dominant channelBlue
Hex per channelR 4F · G BB · B FD

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