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Recognised as Colour

#3787F2

  • #3787F2
  • Blue
  • Dark
  • Nearest: Dodgerblue

#3787F2 is a blue with RGB values 55, 135, 242 and HSL 214°, 88%, 58%. It is a dark colour, so black text on it reaches 5.9:1 contrast (AA for normal text). The nearest named colour is Dodgerblue.

Colour values

#3787F2#3787F2
HEX#3787F2
RGBrgb(55, 135, 242)
RGB (0–1)0.2157, 0.5294, 0.949
RGB percentages21.6%, 52.9%, 94.9%
HSLhsl(214.3, 87.8%, 58.2%)
HSV / HSBhsv(214.3, 77.3%, 94.9%)
CMYK77.3%, 44.2%, 0%, 5.1%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer3,639,282
CSS custom property--colour: #3787F2;

Brightness & contrast

Relative luminance0.24551WCAG 2.x, 0 is black and 1 is white
Perceived brightness135.2 of 255ITU-R BT.601 weighting
Light or darkDark
Best text colour on this backgroundBlackcontrast 5.91:1
Contrast with white3.55:1WCAG normal text: Fail
Contrast with black5.91:1WCAG normal text: AA
Greyscale equivalent#7E7E7E
Inverted#C8780D

Colour vision & accessibility

Normal visionProtanopiaDeuteranopiaTritanopia
Protanopia#4F91F6no red cones; affects about 1% of men; ΔE 5.6 from the original
Deuteranopia#2780F0no green cones; the most common form, about 1% of men; ΔE 4.3 from the original
Tritanopia#00A0B1no blue cones; rare, and affects men and women equally; ΔE 58.8 from the original
Distinguishable without hueShifts in lightness toonever rely on hue alone to carry meaning
Contrast with white, large text3.55:1WCAG large text: AA
Contrast with black, large text5.91:1WCAG large text: AAA

Named colours

Dodgerblue · ΔE 4.7Cornflower blue · ΔE 12.9Royal blue · ΔE 16.9Slate blue · ΔE 26.2Medium purple · ΔE 26.4Medium slateblue · ΔE 29.2
Nearest named CSS colourDodgerblue (#1E90FF)ΔE 4.71, a close match
Hue familyblue
CSS keyword usableNo exact keyword

Colour harmonies

base+30°+90°+120°+180°+210°+240°+270°+330°
Complementary#F2A237
Analogous#37E4F2, #4537F2
Triadic#F23787, #87F237
Split complementary#F24537, #E4F237
Tetradic#F237E4, #F2A237, #37F245

Tints, shades & saturation

+40%+30%+20%+10%base-10%-20%-30%-40%
Lighter +40%#F7FAFE
Lighter +30%#C7DDFB
Lighter +20%#97C0F8
Lighter +10%#67A4F5
Darker −10%#0F6BE7
Darker −20%#0C55B7
Darker −30%#093F87
Darker −40%#062957
More saturated +25%#2A85FF
Less saturated −25%#528BD7

Channel breakdown

R55
G135
B242
Red55 (21.6%)
Green135 (52.9%)
Blue242 (94.9%)
Hue214.33°
Saturation (HSL)87.79%
Lightness58.24%
Dominant channelBlue
Hex per channelR 37 · G 87 · B F2

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Every value on this page was computed from “3787f2” by Nerdulator’s colour engine. Nothing here was retrieved from a database of answers or written by a model.