Recognised as Colour

#3F36A9

#3F36A9
Blue
Dark
Nearest: Rebecca purple

#3F36A9 is a blue with RGB values 63, 54, 169 and HSL 245°, 52%, 44%. It is a dark colour, so white text on it reaches 9.1:1 contrast (AAA for normal text). The nearest named colour is Rebecca purple.

Colour values

#3F36A9#3F36A9

HEX#3F36A9

RGBrgb(63, 54, 169)

RGB (0–1)0.2471, 0.2118, 0.6627

RGB percentages24.7%, 21.2%, 66.3%

HSLhsl(244.7, 51.6%, 43.7%)

HSV / HSBhsv(244.7, 68%, 66.3%)

CMYK62.7%, 68%, 0%, 33.7%≈naive device-independent conversion; real print needs an ICC profile

24-bit integer4,142,761

CSS custom property--colour: #3F36A9;

Brightness & contrast

Relative luminance0.0656WCAG 2.x, 0 is black and 1 is white

Perceived brightness78.4 of 255ITU-R BT.601 weighting

Light or darkDark

Best text colour on this backgroundWhitecontrast 9.08:1

Contrast with white9.08:1WCAG normal text: AAA

Contrast with black2.31:1WCAG normal text: Fail

Greyscale equivalent#404040

Inverted#C0C956

Colour vision & accessibility

Normal vision Protanopia Deuteranopia Tritanopia

Protanopia#004DADno red cones; affects about 1% of men; ΔE 20 from the original

Deuteranopia#0044A7no green cones; the most common form, about 1% of men; ΔE 15.8 from the original

Tritanopia#00546Bno blue cones; rare, and affects men and women equally; ΔE 65.7 from the original

Distinguishable without hueShifts in lightness toonever rely on hue alone to carry meaning

Contrast with white, large text9.08:1WCAG large text: AAA

Contrast with black, large text2.31:1WCAG large text: Fail

Named colours

Rebecca purple · ΔE 14.2 Slate blue · ΔE 15 Indigo · ΔE 18.2 Midnight blue · ΔE 19.7 Navy · ΔE 20.4 Royal blue · ΔE 21.5

Nearest named CSS colourRebecca purple (#663399)ΔE 14.17, a distinctly different colour

Hue familyblue

CSS keyword usableNo exact keyword

Colour harmonies

base +30°+90°+120°+180°+210°+240°+270°+330°

Complementary#A0A936

Analogous#3667A9, #7836A9

Triadic#A93F36, #36A93F

Split complementary#A97836, #67A936

Tetradic#A93667, #A0A936, #36A978

Tints, shades & saturation

+40%+30%+20%+10%base -10%-20%-30%-40%

Lighter +40%#C3C0EB

Lighter +30%#9F99DF

Lighter +20%#7A73D2

Lighter +10%#564CC6

Darker −10%#312A82

Darker −20%#221D5C

Darker −30%#141135

Darker −40%#05050E

More saturated +25%#271AC5

Less saturated −25%#57528D

Channel breakdown

R63

G54

B169

Red63 (24.7%)

Green54 (21.2%)

Blue169 (66.3%)

Hue244.7°

Saturation (HSL)51.57%

Lightness43.73%

Dominant channelBlue

Hex per channelR 3F · G 36 · B A9

Keep nerding

Every link below is a page Nerdulator can generate from what it already knows about this value.

#3F36A9

Colour values

Brightness & contrast

Colour vision & accessibility

Named colours

Colour harmonies

Tints, shades & saturation

Channel breakdown

Keep nerding

Harmonies

Lighter and darker

Similar named colours

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