Recognised as Colour

#556CF9

#556CF9
Blue
Dark
Nearest: Medium slateblue

#556CF9 is a blue with RGB values 85, 108, 249 and HSL 232°, 93%, 65%. It is a dark colour, so black text on it reaches 4.9:1 contrast (AA for normal text). The nearest named colour is Medium slateblue.

Colour values

#556CF9#556CF9

HEX#556CF9

RGBrgb(85, 108, 249)

RGB (0–1)0.3333, 0.4235, 0.9765

RGB percentages33.3%, 42.4%, 97.6%

HSLhsl(231.6, 93.2%, 65.5%)

HSV / HSBhsv(231.6, 65.9%, 97.6%)

CMYK65.9%, 56.6%, 0%, 2.4%≈naive device-independent conversion; real print needs an ICC profile

24-bit integer5,598,457

CSS custom property--colour: #556CF9;

Brightness & contrast

Relative luminance0.19496WCAG 2.x, 0 is black and 1 is white

Perceived brightness126.8 of 255ITU-R BT.601 weighting

Light or darkDark

Best text colour on this backgroundBlackcontrast 4.9:1

Contrast with white4.29:1WCAG normal text: Fail

Contrast with black4.9:1WCAG normal text: AA

Greyscale equivalent#717171

Inverted#AA9306

Colour vision & accessibility

Normal vision Protanopia Deuteranopia Tritanopia

Protanopia#0082FEno red cones; affects about 1% of men; ΔE 19.1 from the original

Deuteranopia#0073F6no green cones; the most common form, about 1% of men; ΔE 12 from the original

Tritanopia#008EA8no blue cones; rare, and affects men and women equally; ΔE 76.8 from the original

Distinguishable without hueShifts in lightness toonever rely on hue alone to carry meaning

Contrast with white, large text4.29:1WCAG large text: AA

Contrast with black, large text4.9:1WCAG large text: AAA

Named colours

Medium slateblue · ΔE 9.5 Royal blue · ΔE 12.6 Slate blue · ΔE 16.4 Medium purple · ΔE 23.3 Dodgerblue · ΔE 28.5 Rebecca purple · ΔE 32.6

Nearest named CSS colourMedium slateblue (#7B68EE)ΔE 9.55, clearly different but related

Hue familyblue

CSS keyword usableNo exact keyword

Colour harmonies

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

Complementary#F9E255

Analogous#55BEF9, #9055F9

Triadic#F9556C, #6CF955

Split complementary#F99055, #BEF955

Tetradic#F955BE, #F9E255, #55F990

Tints, shades & saturation

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

Lighter +40%#FFFFFF

Lighter +30%#E9ECFE

Lighter +20%#B8C1FC

Lighter +10%#8697FB

Darker −10%#2441F7

Darker −20%#0826E0

Darker −30%#061EAF

Darker −40%#04157E

More saturated +25%#4F68FF

Less saturated −25%#6B7CE3

Channel breakdown

R85

G108

B249

Red85 (33.3%)

Green108 (42.4%)

Blue249 (97.6%)

Hue231.59°

Saturation (HSL)93.18%

Lightness65.49%

Dominant channelBlue

Hex per channelR 55 · G 6C · B F9

Keep nerding

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

#556CF9

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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