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Recognised as Colour

#4F91FE

  • #4F91FE
  • Blue
  • Dark
  • Nearest: Dodgerblue

#4F91FE is a blue with RGB values 79, 145, 254 and HSL 217°, 99%, 65%. It is a dark colour, so black text on it reaches 6.8:1 contrast (AA for normal text). The nearest named colour is Dodgerblue.

Colour values

#4F91FE#4F91FE
HEX#4F91FE
RGBrgb(79, 145, 254)
RGB (0–1)0.3098, 0.5686, 0.9961
RGB percentages31%, 56.9%, 99.6%
HSLhsl(217.4, 98.9%, 65.3%)
HSV / HSBhsv(217.4, 68.9%, 99.6%)
CMYK68.9%, 42.9%, 0%, 0.4%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer5,214,718
CSS custom property--colour: #4F91FE;

Brightness & contrast

Relative luminance0.29069WCAG 2.x, 0 is black and 1 is white
Perceived brightness146.8 of 255ITU-R BT.601 weighting
Light or darkDark
Best text colour on this backgroundBlackcontrast 6.81:1
Contrast with white3.08:1WCAG normal text: Fail
Contrast with black6.81:1WCAG normal text: AA
Greyscale equivalent#8B8B8B
Inverted#B06E01

Colour vision & accessibility

Normal visionProtanopiaDeuteranopiaTritanopia
Protanopia#5C9BFFno red cones; affects about 1% of men; ΔE 6.7 from the original
Deuteranopia#3D8BFCno green cones; the most common form, about 1% of men; ΔE 3.6 from the original
Tritanopia#00AABBno blue cones; rare, and affects men and women equally; ΔE 60.4 from the original
Distinguishable without hueShifts in lightness toonever rely on hue alone to carry meaning
Contrast with white, large text3.08:1WCAG large text: AA
Contrast with black, large text6.81:1WCAG large text: AAA

Named colours

Dodgerblue · ΔE 5.1Cornflower blue · ΔE 12.1Royal blue · ΔE 18.6Medium purple · ΔE 25.9Slate blue · ΔE 27.2Medium slateblue · ΔE 29
Nearest named CSS colourDodgerblue (#1E90FF)ΔE 5.09, clearly different but related
Hue familyblue
CSS keyword usableNo exact keyword

Colour harmonies

base+30°+90°+120°+180°+210°+240°+270°+330°
Complementary#FEBC4F
Analogous#4FE8FE, #654FFE
Triadic#FE4F91, #91FE4F
Split complementary#FE644F, #E9FE4F
Tetradic#FE4FE8, #FEBC4F, #4FFE64

Tints, shades & saturation

+40%+30%+20%+10%base-10%-20%-30%-40%
Lighter +40%#FFFFFF
Lighter +30%#E7F0FF
Lighter +20%#B4D0FF
Lighter +10%#82B1FE
Darker −10%#1C71FE
Darker −20%#0157E6
Darker −30%#0144B3
Darker −40%#013180
More saturated +25%#4E91FF
Less saturated −25%#6596E8

Channel breakdown

R79
G145
B254
Red79 (31%)
Green145 (56.9%)
Blue254 (99.6%)
Hue217.37°
Saturation (HSL)98.87%
Lightness65.29%
Dominant channelBlue
Hex per channelR 4F · G 91 · B FE

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Every value on this page was computed from “4f91fe” by Nerdulator’s colour engine. Nothing here was retrieved from a database of answers or written by a model.