Colour

#6553AB

#6553AB
Blue
Dark
Nearest: Dark slateblue

#6553AB is a blue with RGB values 101, 83, 171 and HSL 252°, 35%, 50%. 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

#6553AB#6553AB

HEX#6553AB

RGBrgb(101, 83, 171)

RGB (0–1)0.3961, 0.3255, 0.6706

RGB percentages39.6%, 32.5%, 67.1%

HSLhsl(252.3, 34.6%, 49.8%)

HSV / HSBhsv(252.3, 51.5%, 67.1%)

CMYK40.9%, 51.5%, 0%, 32.9%≈naive device-independent conversion; real print needs an ICC profile

24-bit integer6,640,555

CSS custom property--colour: #6553AB;

Brightness & contrast

Relative luminance0.11893WCAG 2.x, 0 is black and 1 is white

Perceived brightness102.1 of 255ITU-R BT.601 weighting

Light or darkDark

Best text colour on this backgroundWhitecontrast 6.22:1

Contrast with white6.22:1WCAG normal text: AA

Contrast with black3.38:1WCAG normal text: Fail

Greyscale equivalent#5D5D5D

Inverted#9AAC54

Colour vision & accessibility

Normal vision Protanopia Deuteranopia Tritanopia

Protanopia#2E62AEno red cones; affects about 1% of men; ΔE 19.8 from the original

Deuteranopia#305FA9no green cones; the most common form, about 1% of men; ΔE 19.4 from the original

Tritanopia#526577no blue cones; rare, and affects men and women equally; ΔE 45.3 from the original

Distinguishable without hueYesnever rely on hue alone to carry meaning

Contrast with white, large text6.22:1WCAG large text: AAA

Contrast with black, large text3.38:1WCAG large text: AA

Named colours

Dark slateblue · ΔE 11 Slate blue · ΔE 15.3 Rebecca purple · ΔE 16.2 Medium purple · ΔE 16.8 Royal blue · ΔE 21.7 Midnight blue · ΔE 25.8

Nearest named CSS colourDark slateblue (#483D8B)ΔE 11.02, a distinctly different colour

Hue familyblue

CSS keyword usableNo exact keyword

Colour harmonies

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

Complementary#99AB53

Analogous#536DAB, #9153AB

Triadic#AB6553, #53AB65

Split complementary#AB9153, #6DAB53

Tetradic#AB536D, #99AB53, #53AB91

Tints, shades & saturation

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

Lighter +40%#E0DCEE

Lighter +30%#C1BADD

Lighter +20%#A297CD

Lighter +10%#8475BC

Darker −10%#514289

Darker −20%#3C3266

Darker −30%#282144

Darker −40%#141022

More saturated +25%#5233CB

Less saturated −25%#78738B

Channel breakdown

R101

G83

B171

Red101 (39.6%)

Green83 (32.5%)

Blue171 (67.1%)

Hue252.27°

Saturation (HSL)34.65%

Lightness49.8%

Dominant channelBlue

Hex per channelR 65 · G 53 · B AB

Keep nerding

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

#6553AB

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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