Colour

#285EAD

#285EAD
Blue
Dark
Nearest: Dark slateblue

#285EAD is a blue with RGB values 40, 94, 173 and HSL 216°, 62%, 42%. 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

#285EAD#285EAD

HEX#285EAD

RGBrgb(40, 94, 173)

RGB (0–1)0.1569, 0.3686, 0.6784

RGB percentages15.7%, 36.9%, 67.8%

HSLhsl(215.6, 62.4%, 41.8%)

HSV / HSBhsv(215.6, 76.9%, 67.8%)

CMYK76.9%, 45.7%, 0%, 32.2%≈naive device-independent conversion; real print needs an ICC profile

24-bit integer2,645,677

CSS custom property--colour: #285EAD;

Brightness & contrast

Relative luminance0.11474WCAG 2.x, 0 is black and 1 is white

Perceived brightness95.3 of 255ITU-R BT.601 weighting

Light or darkDark

Best text colour on this backgroundWhitecontrast 6.37:1

Contrast with white6.37:1WCAG normal text: AA

Contrast with black3.29:1WCAG normal text: Fail

Greyscale equivalent#585858

Inverted#D7A152

Colour vision & accessibility

Normal vision Protanopia Deuteranopia Tritanopia

Protanopia#3566B0no red cones; affects about 1% of men; ΔE 4.8 from the original

Deuteranopia#1859ABno green cones; the most common form, about 1% of men; ΔE 3 from the original

Tritanopia#00717Dno blue cones; rare, and affects men and women equally; ΔE 46.8 from the original

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

Contrast with white, large text6.37:1WCAG large text: AAA

Contrast with black, large text3.29:1WCAG large text: AA

Named colours

Dark slateblue · ΔE 18.8 Cornflower blue · ΔE 21.7 Steel blue · ΔE 24.4 Royal blue · ΔE 24.8 Dodgerblue · ΔE 24.9 Slate blue · ΔE 27.8

Nearest named CSS colourDark slateblue (#483D8B)ΔE 18.77, a distinctly different colour

Hue familyblue

CSS keyword usableNo exact keyword

Colour harmonies

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

Complementary#AD7728

Analogous#28A0AD, #3528AD

Triadic#AD285E, #5EAD28

Split complementary#AD3528, #A0AD28

Tetradic#AD28A1, #AD7728, #28AD35

Tints, shades & saturation

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

Lighter +40%#B3CBEE

Lighter +30%#8AAFE4

Lighter +20%#6192DA

Lighter +10%#3776D1

Darker −10%#1E4784

Darker −20%#15315A

Darker −30%#0B1A31

Darker −40%#020407

More saturated +25%#0D59C8

Less saturated −25%#436392

Channel breakdown

R40

G94

B173

Red40 (15.7%)

Green94 (36.9%)

Blue173 (67.8%)

Hue215.64°

Saturation (HSL)62.44%

Lightness41.76%

Dominant channelBlue

Hex per channelR 28 · G 5E · B AD

Keep nerding

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

#285EAD

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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