Recognised as Colour

#3556AA

#3556AA
Blue
Dark
Nearest: Dark slateblue

#3556AA is a blue with RGB values 53, 86, 170 and HSL 223°, 52%, 44%. It is a dark colour, so white text on it reaches 6.9:1 contrast (AA for normal text). The nearest named colour is Dark slateblue.

Colour values

#3556AA#3556AA

HEX#3556AA

RGBrgb(53, 86, 170)

RGB (0–1)0.2078, 0.3373, 0.6667

RGB percentages20.8%, 33.7%, 66.7%

HSLhsl(223.1, 52.5%, 43.7%)

HSV / HSBhsv(223.1, 68.8%, 66.7%)

CMYK68.8%, 49.4%, 0%, 33.3%≈naive device-independent conversion; real print needs an ICC profile

24-bit integer3,495,594

CSS custom property--colour: #3556AA;

Brightness & contrast

Relative luminance0.10315WCAG 2.x, 0 is black and 1 is white

Perceived brightness92.1 of 255ITU-R BT.601 weighting

Light or darkDark

Best text colour on this backgroundWhitecontrast 6.86:1

Contrast with white6.86:1WCAG normal text: AA

Contrast with black3.06:1WCAG normal text: Fail

Greyscale equivalent#555555

Inverted#CAA955

Colour vision & accessibility

Normal vision Protanopia Deuteranopia Tritanopia

Protanopia#2860ADno red cones; affects about 1% of men; ΔE 8 from the original

Deuteranopia#0555A8no green cones; the most common form, about 1% of men; ΔE 5.3 from the original

Tritanopia#006A78no blue cones; rare, and affects men and women equally; ΔE 50 from the original

Distinguishable without hueYesnever rely on hue alone to carry meaning

Contrast with white, large text6.86:1WCAG large text: AAA

Contrast with black, large text3.06:1WCAG large text: AA

Named colours

Dark slateblue · ΔE 13.7 Royal blue · ΔE 21.3 Slate blue · ΔE 22.5 Cornflower blue · ΔE 24.7 Medium purple · ΔE 26.1 Dodgerblue · ΔE 26.5

Nearest named CSS colourDark slateblue (#483D8B)ΔE 13.74, a distinctly different colour

Hue familyblue

CSS keyword usableNo exact keyword

Colour harmonies

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

Complementary#AA8935

Analogous#3591AA, #4F35AA

Triadic#AA3556, #56AA35

Split complementary#AA4F35, #90AA35

Tetradic#AA3591, #AA8935, #35AA4F

Tints, shades & saturation

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

Lighter +40%#C0CCEB

Lighter +30%#99ADDF

Lighter +20%#728DD3

Lighter +10%#4B6EC7

Darker −10%#294283

Darker −20%#1D2F5C

Darker −30%#111B35

Darker −40%#05070E

More saturated +25%#194AC6

Less saturated −25%#51628E

Channel breakdown

R53

G86

B170

Red53 (20.8%)

Green86 (33.7%)

Blue170 (66.7%)

Hue223.08°

Saturation (HSL)52.47%

Lightness43.73%

Dominant channelBlue

Hex per channelR 35 · G 56 · B AA

Keep nerding

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

#3556AA

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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