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Recognised as Colour

#3789F4

  • #3789F4
  • Blue
  • Dark
  • Nearest: Dodgerblue

#3789F4 is a blue with RGB values 55, 137, 244 and HSL 214°, 90%, 59%. 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

#3789F4#3789F4
HEX#3789F4
RGBrgb(55, 137, 244)
RGB (0–1)0.2157, 0.5373, 0.9569
RGB percentages21.6%, 53.7%, 95.7%
HSLhsl(214, 89.6%, 58.6%)
HSV / HSBhsv(214, 77.5%, 95.7%)
CMYK77.5%, 43.9%, 0%, 4.3%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer3,639,796
CSS custom property--colour: #3789F4;

Brightness & contrast

Relative luminance0.25235WCAG 2.x, 0 is black and 1 is white
Perceived brightness136.8 of 255ITU-R BT.601 weighting
Light or darkDark
Best text colour on this backgroundBlackcontrast 6.05:1
Contrast with white3.47:1WCAG normal text: Fail
Contrast with black6.05:1WCAG normal text: AA
Greyscale equivalent#7F7F7F
Inverted#C8760B

Colour vision & accessibility

Protanopia#5293F8no red cones; affects about 1% of men; ΔE 5.7 from the original
Deuteranopia#2A82F2no green cones; the most common form, about 1% of men; ΔE 4.3 from the original
Tritanopia#00A2B3no blue cones; rare, and affects men and women equally; ΔE 58.6 from the original
Distinguishable without hueShifts in lightness toonever rely on hue alone to carry meaning
Contrast with white, large text3.47:1WCAG large text: AA
Contrast with black, large text6.05:1WCAG large text: AAA

Named colours

Nearest named CSS colourDodgerblue (#1E90FF)ΔE 4.06, a close match
Hue familyblue
CSS keyword usableNo exact keyword

Colour harmonies

Complementary#F4A237
Analogous#37E8F4, #4437F4
Triadic#F43789, #89F437
Split complementary#F44437, #E8F437
Tetradic#F437E7, #F4A237, #37F443

Tints, shades & saturation

Lighter +40%#F8FBFF
Lighter +30%#C8DFFC
Lighter +20%#98C2F9
Lighter +10%#67A6F7
Darker −10%#0D6DEB
Darker −20%#0A57BB
Darker −30%#08408A
Darker −40%#052A5A
More saturated +25%#2C88FF
Less saturated −25%#518CDA

Channel breakdown

R55
G137
B244
Red55 (21.6%)
Green137 (53.7%)
Blue244 (95.7%)
Hue213.97°
Saturation (HSL)89.57%
Lightness58.63%
Dominant channelBlue
Hex per channelR 37 · G 89 · B F4

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Every value on this page was computed from “3789f4” by Nerdulator’s colour engine. Nothing here was retrieved from a database of answers or written by a model.