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Colour

#3F417A

  • #3F417A
  • Blue
  • Dark
  • Nearest: Dark slateblue

#3F417A is a blue with RGB values 63, 65, 122 and HSL 238°, 32%, 36%. It is a dark colour, so white text on it reaches 9.3:1 contrast (AAA for normal text). The nearest named colour is Dark slateblue.

Colour values

#3F417A#3F417A
HEX#3F417A
RGBrgb(63, 65, 122)
RGB (0–1)0.2471, 0.2549, 0.4784
RGB percentages24.7%, 25.5%, 47.8%
HSLhsl(238, 31.9%, 36.3%)
HSV / HSBhsv(238, 48.4%, 47.8%)
CMYK48.4%, 46.7%, 0%, 52.2%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer4,145,530
CSS custom property--colour: #3F417A;

Brightness & contrast

Relative luminance0.06242WCAG 2.x, 0 is black and 1 is white
Perceived brightness73.2 of 255ITU-R BT.601 weighting
Light or darkDark
Best text colour on this backgroundWhitecontrast 9.34:1
Contrast with white9.34:1WCAG normal text: AAA
Contrast with black2.25:1WCAG normal text: Fail
Greyscale equivalent#454545
Inverted#C0BE85

Colour vision & accessibility

Normal visionProtanopiaDeuteranopiaTritanopia
Protanopia#2A497Cno red cones; affects about 1% of men; ΔE 9.6 from the original
Deuteranopia#264579no green cones; the most common form, about 1% of men; ΔE 8.8 from the original
Tritanopia#2A4D57no blue cones; rare, and affects men and women equally; ΔE 34.1 from the original
Distinguishable without hueYesnever rely on hue alone to carry meaning
Contrast with white, large text9.34:1WCAG large text: AAA
Contrast with black, large text2.25:1WCAG large text: Fail

Named colours

Dark slateblue · ΔE 13.9Midnight blue · ΔE 27.2Steel blue · ΔE 29.9Rebecca purple · ΔE 30.9Slate blue · ΔE 35.6Cornflower blue · ΔE 36.5
Nearest named CSS colourDark slateblue (#483D8B)ΔE 13.92, a distinctly different colour
Hue familyblue
CSS keyword usableNo exact keyword

Colour harmonies

base+30°+90°+120°+180°+210°+240°+270°+330°
Complementary#7A783F
Analogous#3F5E7A, #5B3F7A
Triadic#7A3F41, #417A3F
Split complementary#7A5B3F, #5E7A3F
Tetradic#7A3F5E, #7A783F, #3F7A5B

Tints, shades & saturation

+40%+30%+20%+10%base-10%-20%-30%-40%
Lighter +40%#AFB1D6
Lighter +30%#8E8FC4
Lighter +20%#6C6EB3
Lighter +10%#50539C
Darker −10%#2E2F58
Darker −20%#1C1D37
Darker −30%#0B0B15
Darker −40%#000000
More saturated +25%#282B91
Less saturated −25%#565763

Channel breakdown

R63
G65
B122
Red63 (24.7%)
Green65 (25.5%)
Blue122 (47.8%)
Hue237.97°
Saturation (HSL)31.89%
Lightness36.27%
Dominant channelBlue
Hex per channelR 3F · G 41 · B 7A

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Every value on this page was computed from “3f417a” by Nerdulator’s colour engine. Nothing here was retrieved from a database of answers or written by a model.