Colour

#204D99

#204D99
Blue
Dark
Nearest: Dark slateblue

#204D99 is a blue with RGB values 32, 77, 153 and HSL 218°, 65%, 36%. It is a dark colour, so white text on it reaches 8.1:1 contrast (AAA for normal text). The nearest named colour is Dark slateblue.

Colour values

#204D99#204D99

HEX#204D99

RGBrgb(32, 77, 153)

RGB (0–1)0.1255, 0.302, 0.6

RGB percentages12.5%, 30.2%, 60%

HSLhsl(217.7, 65.4%, 36.3%)

HSV / HSBhsv(217.7, 79.1%, 60%)

CMYK79.1%, 49.7%, 0%, 40%≈naive device-independent conversion; real print needs an ICC profile

24-bit integer2,117,017

CSS custom property--colour: #204D99;

Brightness & contrast

Relative luminance0.07915WCAG 2.x, 0 is black and 1 is white

Perceived brightness80.3 of 255ITU-R BT.601 weighting

Light or darkDark

Best text colour on this backgroundWhitecontrast 8.13:1

Contrast with white8.13:1WCAG normal text: AAA

Contrast with black2.58:1WCAG normal text: Fail

Greyscale equivalent#494949

Inverted#DFB266

Colour vision & accessibility

Normal vision Protanopia Deuteranopia Tritanopia

Protanopia#21559Cno red cones; affects about 1% of men; ΔE 5.4 from the original

Deuteranopia#004A97no green cones; the most common form, about 1% of men; ΔE 2.6 from the original

Tritanopia#005F6Bno blue cones; rare, and affects men and women equally; ΔE 45.8 from the original

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

Contrast with white, large text8.13:1WCAG large text: AAA

Contrast with black, large text2.58:1WCAG large text: Fail

Named colours

Dark slateblue · ΔE 13.7 Midnight blue · ΔE 26 Royal blue · ΔE 27.2 Slate blue · ΔE 28.2 Cornflower blue · ΔE 28.6 Steel blue · ΔE 28.9

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#996C20

Analogous#208999, #302099

Triadic#99204D, #4D9920

Split complementary#993020, #899920

Tetradic#992089, #996C20, #209930

Tints, shades & saturation

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

Lighter +40%#9BB8EA

Lighter +30%#719BE1

Lighter +20%#477DD8

Lighter +10%#2962C3

Darker −10%#17386F

Darker −20%#0E2345

Darker −30%#060D1A

Darker −40%#000000

More saturated +25%#0947B0

Less saturated −25%#375382

Channel breakdown

R32

G77

B153

Red32 (12.5%)

Green77 (30.2%)

Blue153 (60%)

Hue217.69°

Saturation (HSL)65.41%

Lightness36.27%

Dominant channelBlue

Hex per channelR 20 · G 4D · B 99

Keep nerding

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#204D99

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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