Recognised as Colour

#3F5BB4

#3F5BB4
Blue
Dark
Nearest: Dark slateblue

#3F5BB4 is a blue with RGB values 63, 91, 180 and HSL 226°, 48%, 48%. It is a dark colour, so white text on it reaches 6.2:1 contrast (AA for normal text). The nearest named colour is Dark slateblue.

Colour values

#3F5BB4#3F5BB4

HEX#3F5BB4

RGBrgb(63, 91, 180)

RGB (0–1)0.2471, 0.3569, 0.7059

RGB percentages24.7%, 35.7%, 70.6%

HSLhsl(225.6, 48.1%, 47.6%)

HSV / HSBhsv(225.6, 65%, 70.6%)

CMYK65%, 49.4%, 0%, 29.4%≈naive device-independent conversion; real print needs an ICC profile

24-bit integer4,152,244

CSS custom property--colour: #3F5BB4;

Brightness & contrast

Relative luminance0.11834WCAG 2.x, 0 is black and 1 is white

Perceived brightness98.7 of 255ITU-R BT.601 weighting

Light or darkDark

Best text colour on this backgroundWhitecontrast 6.24:1

Contrast with white6.24:1WCAG normal text: AA

Contrast with black3.37:1WCAG normal text: Fail

Greyscale equivalent#5B5B5B

Inverted#C0A44B

Colour vision & accessibility

Normal vision Protanopia Deuteranopia Tritanopia

Protanopia#2B66B7no red cones; affects about 1% of men; ΔE 9.5 from the original

Deuteranopia#0E5CB2no green cones; the most common form, about 1% of men; ΔE 7.2 from the original

Tritanopia#00707Fno blue cones; rare, and affects men and women equally; ΔE 52.7 from the original

Distinguishable without hueYesnever rely on hue alone to carry meaning

Contrast with white, large text6.24:1WCAG large text: AAA

Contrast with black, large text3.37:1WCAG large text: AA

Named colours

Dark slateblue · ΔE 15 Royal blue · ΔE 18 Slate blue · ΔE 19.3 Medium purple · ΔE 22.9 Cornflower blue · ΔE 23 Dodgerblue · ΔE 24.2

Nearest named CSS colourDark slateblue (#483D8B)ΔE 15.04, a distinctly different colour

Hue familyblue

CSS keyword usableNo exact keyword

Colour harmonies

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

Complementary#B4983F

Analogous#3F96B4, #5E3FB4

Triadic#B43F5B, #5BB43F

Split complementary#B45E3F, #96B43F

Tetradic#B43F96, #B4983F, #3FB45E

Tints, shades & saturation

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

Lighter +40%#D0D8EF

Lighter +30%#ABB8E1

Lighter +20%#8598D4

Lighter +10%#5F78C7

Darker −10%#32488E

Darker −20%#253568

Darker −30%#172243

Darker −40%#0A0F1D

More saturated +25%#214BD2

Less saturated −25%#5D6B96

Channel breakdown

R63

G91

B180

Red63 (24.7%)

Green91 (35.7%)

Blue180 (70.6%)

Hue225.64°

Saturation (HSL)48.15%

Lightness47.65%

Dominant channelBlue

Hex per channelR 3F · G 5B · B B4

Keep nerding

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

#3F5BB4

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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