Recognised as Colour

#285EA9

#285EA9
Blue
Dark
Nearest: Dark slateblue

#285EA9 is a blue with RGB values 40, 94, 169 and HSL 215°, 62%, 41%. It is a dark colour, so white text on it reaches 6.4:1 contrast (AA for normal text). The nearest named colour is Dark slateblue.

Colour values

#285EA9#285EA9

HEX#285EA9

RGBrgb(40, 94, 169)

RGB (0–1)0.1569, 0.3686, 0.6627

RGB percentages15.7%, 36.9%, 66.3%

HSLhsl(214.9, 61.7%, 41%)

HSV / HSBhsv(214.9, 76.3%, 66.3%)

CMYK76.3%, 44.4%, 0%, 33.7%≈naive device-independent conversion; real print needs an ICC profile

24-bit integer2,645,673

CSS custom property--colour: #285EA9;

Brightness & contrast

Relative luminance0.11321WCAG 2.x, 0 is black and 1 is white

Perceived brightness94.5 of 255ITU-R BT.601 weighting

Light or darkDark

Best text colour on this backgroundWhitecontrast 6.43:1

Contrast with white6.43:1WCAG normal text: AA

Contrast with black3.26:1WCAG normal text: Fail

Greyscale equivalent#585858

Inverted#D7A156

Colour vision & accessibility

Normal vision Protanopia Deuteranopia Tritanopia

Protanopia#3865ACno red cones; affects about 1% of men; ΔE 4.1 from the original

Deuteranopia#1F59A7no green cones; the most common form, about 1% of men; ΔE 3 from the original

Tritanopia#00707Bno blue cones; rare, and affects men and women equally; ΔE 44.8 from the original

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

Contrast with white, large text6.43:1WCAG large text: AAA

Contrast with black, large text3.26:1WCAG large text: AA

Named colours

Dark slateblue · ΔE 19.5 Cornflower blue · ΔE 22.2 Steel blue · ΔE 22.4 Dodgerblue · ΔE 26.4 Royal blue · ΔE 27.3 Slate blue · ΔE 30

Nearest named CSS colourDark slateblue (#483D8B)ΔE 19.51, a distinctly different colour

Hue familyblue

CSS keyword usableNo exact keyword

Colour harmonies

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

Complementary#A97328

Analogous#289EA9, #3328A9

Triadic#A9285E, #5EA928

Split complementary#A93328, #9EA928

Tetradic#A9289E, #A97328, #28A933

Tints, shades & saturation

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

Lighter +40%#B1CAEC

Lighter +30%#87AEE3

Lighter +20%#5E92D9

Lighter +10%#3575CF

Darker −10%#1E4780

Darker −20%#143057

Darker −30%#0B192D

Darker −40%#010204

More saturated +25%#0E5AC3

Less saturated −25%#42628F

Channel breakdown

R40

G94

B169

Red40 (15.7%)

Green94 (36.9%)

Blue169 (66.3%)

Hue214.88°

Saturation (HSL)61.72%

Lightness40.98%

Dominant channelBlue

Hex per channelR 28 · G 5E · B A9

Keep nerding

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

#285EA9

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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