Colour

#3F5891

#3F5891
Blue
Dark
Nearest: Steel blue

#3F5891 is a blue with RGB values 63, 88, 145 and HSL 222°, 39%, 41%. It is a dark colour, so white text on it reaches 7:1 contrast (AA for normal text). The nearest named colour is Steel blue.

Colour values

#3F5891#3F5891

HEX#3F5891

RGBrgb(63, 88, 145)

RGB (0–1)0.2471, 0.3451, 0.5686

RGB percentages24.7%, 34.5%, 56.9%

HSLhsl(221.7, 39.4%, 40.8%)

HSV / HSBhsv(221.7, 56.6%, 56.9%)

CMYK56.6%, 39.3%, 0%, 43.1%≈naive device-independent conversion; real print needs an ICC profile

24-bit integer4,151,441

CSS custom property--colour: #3F5891;

Brightness & contrast

Relative luminance0.10081WCAG 2.x, 0 is black and 1 is white

Perceived brightness90.2 of 255ITU-R BT.601 weighting

Light or darkDark

Best text colour on this backgroundWhitecontrast 6.96:1

Contrast with white6.96:1WCAG normal text: AA

Contrast with black3.02:1WCAG normal text: Fail

Greyscale equivalent#575757

Inverted#C0A76E

Colour vision & accessibility

Normal vision Protanopia Deuteranopia Tritanopia

Protanopia#415D93no red cones; affects about 1% of men; ΔE 3 from the original

Deuteranopia#375690no green cones; the most common form, about 1% of men; ΔE 1.8 from the original

Tritanopia#0E646Dno blue cones; rare, and affects men and women equally; ΔE 36.2 from the original

Distinguishable without hueYesnever rely on hue alone to carry meaning

Contrast with white, large text6.96:1WCAG large text: AAA

Contrast with black, large text3.02:1WCAG large text: AA

Named colours

Steel blue · ΔE 19.2 Dark slateblue · ΔE 20.6 Cornflower blue · ΔE 28.2 Slate grey · ΔE 29.9 Light slate grey · ΔE 31.2 Midnight blue · ΔE 35.6

Nearest named CSS colourSteel blue (#4682B4)ΔE 19.2, a distinctly different colour

Hue familyblue

CSS keyword usableNo exact keyword

Colour harmonies

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

Complementary#91783F

Analogous#3F8191, #4F3F91

Triadic#913F58, #58913F

Split complementary#914F3F, #81913F

Tetradic#913F81, #91783F, #3F914F

Tints, shades & saturation

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

Lighter +40%#BBC6E1

Lighter +30%#97A9D2

Lighter +20%#748CC2

Lighter +10%#506EB3

Darker −10%#30426D

Darker −20%#202D4A

Darker −30%#111726

Darker −40%#010203

More saturated +25%#254EAB

Less saturated −25%#596277

Channel breakdown

R63

G88

B145

Red63 (24.7%)

Green88 (34.5%)

Blue145 (56.9%)

Hue221.71°

Saturation (HSL)39.42%

Lightness40.78%

Dominant channelBlue

Hex per channelR 3F · G 58 · B 91

Keep nerding

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

#3F5891

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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