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Recognised as Colour

#4F89E1

  • #4F89E1
  • Blue
  • Dark
  • Nearest: Cornflower blue

#4F89E1 is a blue with RGB values 79, 137, 225 and HSL 216°, 71%, 60%. It is a dark colour, so black text on it reaches 6:1 contrast (AA for normal text). The nearest named colour is Cornflower blue.

Colour values

#4F89E1#4F89E1
HEX#4F89E1
RGBrgb(79, 137, 225)
RGB (0–1)0.3098, 0.5373, 0.8824
RGB percentages31%, 53.7%, 88.2%
HSLhsl(216.2, 70.9%, 59.6%)
HSV / HSBhsv(216.2, 64.9%, 88.2%)
CMYK64.9%, 39.1%, 0%, 11.8%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer5,212,641
CSS custom property--colour: #4F89E1;

Brightness & contrast

Relative luminance0.2499WCAG 2.x, 0 is black and 1 is white
Perceived brightness136.6 of 255ITU-R BT.601 weighting
Light or darkDark
Best text colour on this backgroundBlackcontrast 6:1
Contrast with white3.5:1WCAG normal text: Fail
Contrast with black6:1WCAG normal text: AA
Greyscale equivalent#838383
Inverted#B0761E

Colour vision & accessibility

Normal visionProtanopiaDeuteranopiaTritanopia
Protanopia#6290E5no red cones; affects about 1% of men; ΔE 4 from the original
Deuteranopia#4C83DFno green cones; the most common form, about 1% of men; ΔE 3.6 from the original
Tritanopia#009DAAno blue cones; rare, and affects men and women equally; ΔE 50.9 from the original
Distinguishable without hueYesnever rely on hue alone to carry meaning
Contrast with white, large text3.5:1WCAG large text: AA
Contrast with black, large text6:1WCAG large text: AAA

Named colours

Cornflower blue · ΔE 5Dodgerblue · ΔE 13.2Steel blue · ΔE 22.7Royal blue · ΔE 24.8Medium purple · ΔE 28.2Slate blue · ΔE 30.7
Nearest named CSS colourCornflower blue (#6495ED)ΔE 5.04, clearly different but related
Hue familyblue
CSS keyword usableNo exact keyword

Colour harmonies

base+30°+90°+120°+180°+210°+240°+270°+330°
Complementary#E1A74F
Analogous#4FD2E1, #5E4FE1
Triadic#E14F89, #89E14F
Split complementary#E15E4F, #D2E14F
Tetradic#E14FD2, #E1A74F, #4FE15E

Tints, shades & saturation

+40%+30%+20%+10%base-10%-20%-30%-40%
Lighter +40%#FDFEFF
Lighter +30%#D2E1F7
Lighter +20%#A6C3F0
Lighter +10%#7BA6E8
Darker −10%#256CD8
Darker −20%#1D56AD
Darker −30%#164181
Darker −40%#0F2B55
More saturated +25%#3584FB
Less saturated −25%#698EC7

Channel breakdown

R79
G137
B225
Red79 (31%)
Green137 (53.7%)
Blue225 (88.2%)
Hue216.16°
Saturation (HSL)70.87%
Lightness59.61%
Dominant channelBlue
Hex per channelR 4F · G 89 · B E1

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Every value on this page was computed from “4f89e1” by Nerdulator’s colour engine. Nothing here was retrieved from a database of answers or written by a model.