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Recognised as Colour

#4588F0

  • #4588F0
  • Blue
  • Dark
  • Nearest: Dodgerblue

#4588F0 is a blue with RGB values 69, 136, 240 and HSL 216°, 85%, 61%. It is a dark colour, so black text on it reaches 6:1 contrast (AA for normal text). The nearest named colour is Dodgerblue.

Colour values

#4588F0#4588F0
HEX#4588F0
RGBrgb(69, 136, 240)
RGB (0–1)0.2706, 0.5333, 0.9412
RGB percentages27.1%, 53.3%, 94.1%
HSLhsl(216.5, 85.1%, 60.6%)
HSV / HSBhsv(216.5, 71.3%, 94.1%)
CMYK71.3%, 43.3%, 0%, 5.9%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer4,557,040
CSS custom property--colour: #4588F0;

Brightness & contrast

Relative luminance0.25165WCAG 2.x, 0 is black and 1 is white
Perceived brightness137.3 of 255ITU-R BT.601 weighting
Light or darkDark
Best text colour on this backgroundBlackcontrast 6.03:1
Contrast with white3.48:1WCAG normal text: Fail
Contrast with black6.03:1WCAG normal text: AA
Greyscale equivalent#818181
Inverted#BA770F

Colour vision & accessibility

Normal visionProtanopiaDeuteranopiaTritanopia
Protanopia#5492F4no red cones; affects about 1% of men; ΔE 5.5 from the original
Deuteranopia#3582EEno green cones; the most common form, about 1% of men; ΔE 3.6 from the original
Tritanopia#00A0B0no blue cones; rare, and affects men and women equally; ΔE 58.1 from the original
Distinguishable without hueShifts in lightness toonever rely on hue alone to carry meaning
Contrast with white, large text3.48:1WCAG large text: AA
Contrast with black, large text6.03:1WCAG large text: AAA

Named colours

Dodgerblue · ΔE 6.1Cornflower blue · ΔE 10.9Royal blue · ΔE 17.6Medium purple · ΔE 25.4Slate blue · ΔE 26Medium slateblue · ΔE 29.4
Nearest named CSS colourDodgerblue (#1E90FF)ΔE 6.11, clearly different but related
Hue familyblue
CSS keyword usableNo exact keyword

Colour harmonies

base+30°+90°+120°+180°+210°+240°+270°+330°
Complementary#F0AD45
Analogous#45DDF0, #5845F0
Triadic#F04588, #88F045
Split complementary#F05845, #DDF045
Tetradic#F045DD, #F0AD45, #45F058

Tints, shades & saturation

+40%+30%+20%+10%base-10%-20%-30%-40%
Lighter +40%#FFFFFF
Lighter +30%#D3E3FB
Lighter +20%#A3C4F8
Lighter +10%#74A6F4
Darker −10%#166AEC
Darker −20%#0F54C0
Darker −30%#0C4090
Darker −40%#082B61
More saturated +25%#3685FF
Less saturated −25%#5E8DD7

Channel breakdown

R69
G136
B240
Red69 (27.1%)
Green136 (53.3%)
Blue240 (94.1%)
Hue216.49°
Saturation (HSL)85.07%
Lightness60.59%
Dominant channelBlue
Hex per channelR 45 · G 88 · B F0

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Every value on this page was computed from “4588f0” by Nerdulator’s colour engine. Nothing here was retrieved from a database of answers or written by a model.