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Recognised as Colour

#3F5193

  • #3F5193
  • Blue
  • Dark
  • Nearest: Dark slateblue

#3F5193 is a blue with RGB values 63, 81, 147 and HSL 227°, 40%, 41%. It is a dark colour, so white text on it reaches 7.5:1 contrast (AAA for normal text). The nearest named colour is Dark slateblue.

Colour values

#3F5193#3F5193
HEX#3F5193
RGBrgb(63, 81, 147)
RGB (0–1)0.2471, 0.3176, 0.5765
RGB percentages24.7%, 31.8%, 57.6%
HSLhsl(227.1, 40%, 41.2%)
HSV / HSBhsv(227.1, 57.1%, 57.6%)
CMYK57.1%, 44.9%, 0%, 42.4%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer4,149,651
CSS custom property--colour: #3F5193;

Brightness & contrast

Relative luminance0.09048WCAG 2.x, 0 is black and 1 is white
Perceived brightness86.6 of 255ITU-R BT.601 weighting
Light or darkDark
Best text colour on this backgroundWhitecontrast 7.47:1
Contrast with white7.47:1WCAG normal text: AAA
Contrast with black2.81:1WCAG normal text: Fail
Greyscale equivalent#525252
Inverted#C0AE6C

Colour vision & accessibility

Normal visionProtanopiaDeuteranopiaTritanopia
Protanopia#345996no red cones; affects about 1% of men; ΔE 6.8 from the original
Deuteranopia#295192no green cones; the most common form, about 1% of men; ΔE 4.9 from the original
Tritanopia#0D606Bno blue cones; rare, and affects men and women equally; ΔE 41.3 from the original
Distinguishable without hueYesnever rely on hue alone to carry meaning
Contrast with white, large text7.47:1WCAG large text: AAA
Contrast with black, large text2.81:1WCAG large text: Fail

Named colours

Dark slateblue · ΔE 14Steel blue · ΔE 24.9Cornflower blue · ΔE 28.3Midnight blue · ΔE 29.3Rebecca purple · ΔE 30.7Slate blue · ΔE 30.9
Nearest named CSS colourDark slateblue (#483D8B)ΔE 13.97, a distinctly different colour
Hue familyblue
CSS keyword usableNo exact keyword

Colour harmonies

base+30°+90°+120°+180°+210°+240°+270°+330°
Complementary#93813F
Analogous#3F7B93, #573F93
Triadic#933F51, #51933F
Split complementary#93573F, #7B933F
Tetradic#933F7B, #93813F, #3F9357

Tints, shades & saturation

+40%+30%+20%+10%base-10%-20%-30%-40%
Lighter +40%#BCC4E2
Lighter +30%#98A5D3
Lighter +20%#7485C4
Lighter +10%#5166B4
Darker −10%#303D6F
Darker −20%#202A4C
Darker −30%#111628
Darker −40%#020204
More saturated +25%#2542AD
Less saturated −25%#596079

Channel breakdown

R63
G81
B147
Red63 (24.7%)
Green81 (31.8%)
Blue147 (57.6%)
Hue227.14°
Saturation (HSL)40%
Lightness41.18%
Dominant channelBlue
Hex per channelR 3F · G 51 · B 93

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Every value on this page was computed from “3f5193” by Nerdulator’s colour engine. Nothing here was retrieved from a database of answers or written by a model.