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Recognised as Colour

#394EA9

  • #394EA9
  • Blue
  • Dark
  • Nearest: Dark slateblue

#394EA9 is a blue with RGB values 57, 78, 169 and HSL 229°, 50%, 44%. It is a dark colour, so white text on it reaches 7.4:1 contrast (AAA for normal text). The nearest named colour is Dark slateblue.

Colour values

#394EA9#394EA9
HEX#394EA9
RGBrgb(57, 78, 169)
RGB (0–1)0.2235, 0.3059, 0.6627
RGB percentages22.4%, 30.6%, 66.3%
HSLhsl(228.8, 49.6%, 44.3%)
HSV / HSBhsv(228.8, 66.3%, 66.3%)
CMYK66.3%, 53.8%, 0%, 33.7%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer3,755,689
CSS custom property--colour: #394EA9;

Brightness & contrast

Relative luminance0.09183WCAG 2.x, 0 is black and 1 is white
Perceived brightness88.3 of 255ITU-R BT.601 weighting
Light or darkDark
Best text colour on this backgroundWhitecontrast 7.4:1
Contrast with white7.4:1WCAG normal text: AAA
Contrast with black2.84:1WCAG normal text: Fail
Greyscale equivalent#505050
Inverted#C6B156

Colour vision & accessibility

Normal visionProtanopiaDeuteranopiaTritanopia
Protanopia#105BACno red cones; affects about 1% of men; ΔE 12.5 from the original
Deuteranopia#0051A7no green cones; the most common form, about 1% of men; ΔE 8.3 from the original
Tritanopia#006474no blue cones; rare, and affects men and women equally; ΔE 54 from the original
Distinguishable without hueYesnever rely on hue alone to carry meaning
Contrast with white, large text7.4:1WCAG large text: AAA
Contrast with black, large text2.84:1WCAG large text: Fail

Named colours

Dark slateblue · ΔE 11.5Slate blue · ΔE 17.7Royal blue · ΔE 18.4Rebecca purple · ΔE 21.4Midnight blue · ΔE 22.6Medium purple · ΔE 23.7
Nearest named CSS colourDark slateblue (#483D8B)ΔE 11.5, a distinctly different colour
Hue familyblue
CSS keyword usableNo exact keyword

Colour harmonies

base+30°+90°+120°+180°+210°+240°+270°+330°
Complementary#A99439
Analogous#3986A9, #5C39A9
Triadic#A9394E, #4EA939
Split complementary#A95C39, #86A939
Tetradic#A93986, #A99439, #39A95C

Tints, shades & saturation

+40%+30%+20%+10%base-10%-20%-30%-40%
Lighter +40%#C3CBEB
Lighter +30%#9DA9DE
Lighter +20%#7788D1
Lighter +10%#5166C4
Darker −10%#2C3C83
Darker −20%#1F2B5D
Darker −30%#121937
Darker −40%#060810
More saturated +25%#1D3CC5
Less saturated −25%#55608D

Channel breakdown

R57
G78
B169
Red57 (22.4%)
Green78 (30.6%)
Blue169 (66.3%)
Hue228.75°
Saturation (HSL)49.56%
Lightness44.31%
Dominant channelBlue
Hex per channelR 39 · G 4E · B A9

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Every value on this page was computed from “394ea9” by Nerdulator’s colour engine. Nothing here was retrieved from a database of answers or written by a model.