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Colour

#4478FB

  • #4478FB
  • Blue
  • Dark
  • Nearest: Royal blue

#4478FB is a blue with RGB values 68, 120, 251 and HSL 223°, 96%, 63%. 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

#4478FB#4478FB
HEX#4478FB
RGBrgb(68, 120, 251)
RGB (0–1)0.2667, 0.4706, 0.9843
RGB percentages26.7%, 47.1%, 98.4%
HSLhsl(223, 95.8%, 62.5%)
HSV / HSBhsv(223, 72.9%, 98.4%)
CMYK72.9%, 52.2%, 0%, 1.6%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer4,487,419
CSS custom property--colour: #4478FB;

Brightness & contrast

Relative luminance0.21627WCAG 2.x, 0 is black and 1 is white
Perceived brightness130.5 of 255ITU-R BT.601 weighting
Light or darkDark
Best text colour on this backgroundBlackcontrast 5.33:1
Contrast with white3.94:1WCAG normal text: Fail
Contrast with black5.33:1WCAG normal text: AA
Greyscale equivalent#767676
Inverted#BB8704

Colour vision & accessibility

Normal visionProtanopiaDeuteranopiaTritanopia
Protanopia#1889FFno red cones; affects about 1% of men; ΔE 13.7 from the original
Deuteranopia#0078F8no green cones; the most common form, about 1% of men; ΔE 5.8 from the original
Tritanopia#0098AEno blue cones; rare, and affects men and women equally; ΔE 71.9 from the original
Distinguishable without hueShifts in lightness toonever rely on hue alone to carry meaning
Contrast with white, large text3.94:1WCAG large text: AA
Contrast with black, large text5.33:1WCAG large text: AAA

Named colours

Royal blue · ΔE 7.8Medium slateblue · ΔE 15.4Slate blue · ΔE 17.8Dodgerblue · ΔE 18.9Medium purple · ΔE 22.8Cornflower blue · ΔE 28.5
Nearest named CSS colourRoyal blue (#4169E1)ΔE 7.76, clearly different but related
Hue familyblue
CSS keyword usableNo exact keyword

Colour harmonies

base+30°+90°+120°+180°+210°+240°+270°+330°
Complementary#FBC744
Analogous#44D3FB, #6C44FB
Triadic#FB4478, #78FB44
Split complementary#FB6C44, #D3FB44
Tetradic#FB44D3, #FBC744, #44FB6C

Tints, shades & saturation

+40%+30%+20%+10%base-10%-20%-30%-40%
Lighter +40%#FFFFFF
Lighter +30%#DAE4FE
Lighter +20%#A8C0FD
Lighter +10%#769CFC
Darker −10%#1254FA
Darker −20%#0540D4
Darker −30%#0331A3
Darker −40%#022271
More saturated +25%#4076FF
Less saturated −25%#5C82E3

Channel breakdown

R68
G120
B251
Red68 (26.7%)
Green120 (47.1%)
Blue251 (98.4%)
Hue222.95°
Saturation (HSL)95.81%
Lightness62.55%
Dominant channelBlue
Hex per channelR 44 · G 78 · B FB

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Every value on this page was computed from “4478fb” by Nerdulator’s colour engine. Nothing here was retrieved from a database of answers or written by a model.