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Recognised as Colour

#4289F5

  • #4289F5
  • Blue
  • Dark
  • Nearest: Dodgerblue

#4289F5 is a blue with RGB values 66, 137, 245 and HSL 216°, 90%, 61%. It is a dark colour, so black text on it reaches 6.1:1 contrast (AA for normal text). The nearest named colour is Dodgerblue.

Colour values

#4289F5#4289F5
HEX#4289F5
RGBrgb(66, 137, 245)
RGB (0–1)0.2588, 0.5373, 0.9608
RGB percentages25.9%, 53.7%, 96.1%
HSLhsl(216.2, 89.9%, 61%)
HSV / HSBhsv(216.2, 73.1%, 96.1%)
CMYK73.1%, 44.1%, 0%, 3.9%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer4,360,693
CSS custom property--colour: #4289F5;

Brightness & contrast

Relative luminance0.25642WCAG 2.x, 0 is black and 1 is white
Perceived brightness138.4 of 255ITU-R BT.601 weighting
Light or darkDark
Best text colour on this backgroundBlackcontrast 6.13:1
Contrast with white3.43:1WCAG normal text: Fail
Contrast with black6.13:1WCAG normal text: AA
Greyscale equivalent#828282
Inverted#BD760A

Colour vision & accessibility

Normal visionProtanopiaDeuteranopiaTritanopia
Protanopia#5293F9no red cones; affects about 1% of men; ΔE 5.5 from the original
Deuteranopia#2E83F3no green cones; the most common form, about 1% of men; ΔE 3.6 from the original
Tritanopia#00A2B3no blue cones; rare, and affects men and women equally; ΔE 59.7 from the original
Distinguishable without hueShifts in lightness toonever rely on hue alone to carry meaning
Contrast with white, large text3.43:1WCAG large text: AA
Contrast with black, large text6.13:1WCAG large text: AAA

Named colours

Dodgerblue · ΔE 5Cornflower blue · ΔE 12.8Royal blue · ΔE 16.6Medium purple · ΔE 25.5Slate blue · ΔE 25.7Medium slateblue · ΔE 28.3
Nearest named CSS colourDodgerblue (#1E90FF)ΔE 5.02, clearly different but related
Hue familyblue
CSS keyword usableNo exact keyword

Colour harmonies

base+30°+90°+120°+180°+210°+240°+270°+330°
Complementary#F5AE42
Analogous#42E3F5, #5542F5
Triadic#F54289, #89F542
Split complementary#F55542, #E2F542
Tetradic#F542E3, #F5AE42, #42F555

Tints, shades & saturation

+40%+30%+20%+10%base-10%-20%-30%-40%
Lighter +40%#FFFFFF
Lighter +30%#D3E4FD
Lighter +20%#A3C5FA
Lighter +10%#72A7F8
Darker −10%#126BF2
Darker −20%#0B55C6
Darker −30%#084096
Darker −40%#052C66
More saturated +25%#3887FF
Less saturated −25%#5B8EDC

Channel breakdown

R66
G137
B245
Red66 (25.9%)
Green137 (53.7%)
Blue245 (96.1%)
Hue216.2°
Saturation (HSL)89.95%
Lightness60.98%
Dominant channelBlue
Hex per channelR 42 · G 89 · B F5

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Every value on this page was computed from “4289f5” by Nerdulator’s colour engine. Nothing here was retrieved from a database of answers or written by a model.