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Recognised as Colour

#394FDD

  • #394FDD
  • Blue
  • Dark
  • Nearest: Medium slateblue

#394FDD is a blue with RGB values 57, 79, 221 and HSL 232°, 71%, 55%. It is a dark colour, so white text on it reaches 6.3:1 contrast (AA for normal text). The nearest named colour is Medium slateblue.

Colour values

#394FDD#394FDD
HEX#394FDD
RGBrgb(57, 79, 221)
RGB (0–1)0.2235, 0.3098, 0.8667
RGB percentages22.4%, 31%, 86.7%
HSLhsl(232, 70.7%, 54.5%)
HSV / HSBhsv(232, 74.2%, 86.7%)
CMYK74.2%, 64.3%, 0%, 13.3%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer3,755,997
CSS custom property--colour: #394FDD;

Brightness & contrast

Relative luminance0.11682WCAG 2.x, 0 is black and 1 is white
Perceived brightness101 of 255ITU-R BT.601 weighting
Light or darkDark
Best text colour on this backgroundWhitecontrast 6.29:1
Contrast with white6.29:1WCAG normal text: AA
Contrast with black3.34:1WCAG normal text: Fail
Greyscale equivalent#555555
Inverted#C6B022

Colour vision & accessibility

Normal visionProtanopiaDeuteranopiaTritanopia
Protanopia#0068E2no red cones; affects about 1% of men; ΔE 19.3 from the original
Deuteranopia#0058DAno green cones; the most common form, about 1% of men; ΔE 10.5 from the original
Tritanopia#00758Fno blue cones; rare, and affects men and women equally; ΔE 78.6 from the original
Distinguishable without hueShifts in lightness toonever rely on hue alone to carry meaning
Contrast with white, large text6.29:1WCAG large text: AAA
Contrast with black, large text3.34:1WCAG large text: AA

Named colours

Medium slateblue · ΔE 14.7Slate blue · ΔE 18Royal blue · ΔE 18.2Dark blue · ΔE 28.5Medium purple · ΔE 28.6Rebecca purple · ΔE 28.7
Nearest named CSS colourMedium slateblue (#7B68EE)ΔE 14.73, a distinctly different colour
Hue familyblue
CSS keyword usableNo exact keyword

Colour harmonies

base+30°+90°+120°+180°+210°+240°+270°+330°
Complementary#DDC739
Analogous#39A1DD, #7539DD
Triadic#DD394F, #4FDD39
Split complementary#DD7539, #A1DD39
Tetradic#DD39A1, #DDC739, #39DD75

Tints, shades & saturation

+40%+30%+20%+10%base-10%-20%-30%-40%
Lighter +40%#E7EAFB
Lighter +30%#BCC3F3
Lighter +20%#909CEC
Lighter +10%#6576E4
Darker −10%#2137C2
Darker −20%#1A2A96
Darker −30%#121E6B
Darker −40%#0B123F
More saturated +25%#1C3AFA
Less saturated −25%#5664C0

Channel breakdown

R57
G79
B221
Red57 (22.4%)
Green79 (31%)
Blue221 (86.7%)
Hue231.95°
Saturation (HSL)70.69%
Lightness54.51%
Dominant channelBlue
Hex per channelR 39 · G 4F · B DD

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