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Colour

#3F4C86

  • #3F4C86
  • Blue
  • Dark
  • Nearest: Dark slateblue

#3F4C86 is a blue with RGB values 63, 76, 134 and HSL 229°, 36%, 39%. It is a dark colour, so white text on it reaches 8.1:1 contrast (AAA for normal text). The nearest named colour is Dark slateblue.

Colour values

#3F4C86#3F4C86
HEX#3F4C86
RGBrgb(63, 76, 134)
RGB (0–1)0.2471, 0.298, 0.5255
RGB percentages24.7%, 29.8%, 52.5%
HSLhsl(229, 36%, 38.6%)
HSV / HSBhsv(229, 53%, 52.5%)
CMYK53%, 43.3%, 0%, 47.5%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer4,148,358
CSS custom property--colour: #3F4C86;

Brightness & contrast

Relative luminance0.07947WCAG 2.x, 0 is black and 1 is white
Perceived brightness81.4 of 255ITU-R BT.601 weighting
Light or darkDark
Best text colour on this backgroundWhitecontrast 8.11:1
Contrast with white8.11:1WCAG normal text: AAA
Contrast with black2.59:1WCAG normal text: Fail
Greyscale equivalent#4D4D4D
Inverted#C0B379

Colour vision & accessibility

Normal visionProtanopiaDeuteranopiaTritanopia
Protanopia#345388no red cones; affects about 1% of men; ΔE 6.7 from the original
Deuteranopia#2D4D85no green cones; the most common form, about 1% of men; ΔE 5.1 from the original
Tritanopia#205862no blue cones; rare, and affects men and women equally; ΔE 35.5 from the original
Distinguishable without hueYesnever rely on hue alone to carry meaning
Contrast with white, large text8.11:1WCAG large text: AAA
Contrast with black, large text2.59:1WCAG large text: Fail

Named colours

Dark slateblue · ΔE 16.1Steel blue · ΔE 24.9Midnight blue · ΔE 30.6Cornflower blue · ΔE 32Rebecca purple · ΔE 33.1Slate grey · ΔE 33.6
Nearest named CSS colourDark slateblue (#483D8B)ΔE 16.07, a distinctly different colour
Hue familyblue
CSS keyword usableNo exact keyword

Colour harmonies

base+30°+90°+120°+180°+210°+240°+270°+330°
Complementary#86793F
Analogous#3F6F86, #563F86
Triadic#863F4C, #4C863F
Split complementary#86563F, #6F863F
Tetradic#863F6F, #86793F, #3F8656

Tints, shades & saturation

+40%+30%+20%+10%base-10%-20%-30%-40%
Lighter +40%#B5BCDC
Lighter +30%#929DCC
Lighter +20%#6F7DBC
Lighter +10%#4F60A9
Darker −10%#2F3863
Darker −20%#1E2541
Darker −30%#0E111E
Darker −40%#000000
More saturated +25%#263C9F
Less saturated −25%#585C6D

Channel breakdown

R63
G76
B134
Red63 (24.7%)
Green76 (29.8%)
Blue134 (52.5%)
Hue229.01°
Saturation (HSL)36.04%
Lightness38.63%
Dominant channelBlue
Hex per channelR 3F · G 4C · B 86

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Every value on this page was computed from “3f4c86” by Nerdulator’s colour engine. Nothing here was retrieved from a database of answers or written by a model.