Colour

#483D8B

#483D8B
Blue
Dark
Named: Dark slateblue

#483D8B is the CSS colour blue with RGB values 72, 61, 139 and HSL 248°, 39%, 39%. It is a dark colour, so white text on it reaches 9.1:1 contrast (AAA for normal text). The nearest named colour is Dark slateblue.

Colour values

#483D8B#483D8B

HEX#483D8B

RGBrgb(72, 61, 139)

RGB (0–1)0.2824, 0.2392, 0.5451

RGB percentages28.2%, 23.9%, 54.5%

HSLhsl(248.5, 39%, 39.2%)

HSV / HSBhsv(248.5, 56.1%, 54.5%)

CMYK48.2%, 56.1%, 0%, 45.5%≈naive device-independent conversion; real print needs an ICC profile

24-bit integer4,734,347

CSS custom property--colour: #483D8B;

Brightness & contrast

Relative luminance0.06579WCAG 2.x, 0 is black and 1 is white

Perceived brightness77.1 of 255ITU-R BT.601 weighting

Light or darkDark

Best text colour on this backgroundWhitecontrast 9.07:1

Contrast with white9.07:1WCAG normal text: AAA

Contrast with black2.32:1WCAG normal text: Fail

Greyscale equivalent#454545

Inverted#B7C274

Colour vision & accessibility

Normal vision Protanopia Deuteranopia Tritanopia

Protanopia#124B8Eno red cones; affects about 1% of men; ΔE 17.4 from the original

Deuteranopia#104689no green cones; the most common form, about 1% of men; ΔE 16.2 from the original

Tritanopia#324E5Eno blue cones; rare, and affects men and women equally; ΔE 43.3 from the original

Distinguishable without hueYesnever rely on hue alone to carry meaning

Contrast with white, large text9.07:1WCAG large text: AAA

Contrast with black, large text2.32:1WCAG large text: Fail

Named colours

Dark slateblue · ΔE 0 Midnight blue · ΔE 17.7 Rebecca purple · ΔE 17.7 Slate blue · ΔE 23.6 Medium purple · ΔE 27.6 Royal blue · ΔE 28.7

This is a named CSS colourDark slateblue (#483D8B)exact match

Hue familyblue

CSS keyword usabledarkslateblue

Colour harmonies

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

Complementary#808B3D

Analogous#3D598B, #6F3D8B

Triadic#8B483D, #3D8B48

Split complementary#8B6F3D, #598B3D

Tetradic#8B3D59, #808B3D, #3D8B6F

Tints, shades & saturation

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

Lighter +40%#BBB5DF

Lighter +30%#9B92CF

Lighter +20%#7A6EC0

Lighter +10%#5A4DAE

Darker −10%#362D68

Darker −20%#231E44

Darker −30%#110E21

Darker −40%#000000

More saturated +25%#3624A4

Less saturated −25%#5A5672

Channel breakdown

R72

G61

B139

Red72 (28.2%)

Green61 (23.9%)

Blue139 (54.5%)

Hue248.46°

Saturation (HSL)39%

Lightness39.22%

Dominant channelBlue

Hex per channelR 48 · G 3D · B 8B

Keep nerding

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

#483D8B

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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