Colour

#0009A5

#0009A5
Blue
Dark
Nearest: Dark blue

#0009A5 is a blue with RGB values 0, 9, 165 and HSL 237°, 100%, 32%. It is a dark colour, so white text on it reaches 13.3:1 contrast (AAA for normal text). The nearest named colour is Dark blue.

Colour values

#0009A5#0009A5

HEX#0009A5

RGBrgb(0, 9, 165)

RGB (0–1)0, 0.0353, 0.6471

RGB percentages0%, 3.5%, 64.7%

HSLhsl(236.7, 100%, 32.4%)

HSV / HSBhsv(236.7, 100%, 64.7%)

CMYK100%, 94.5%, 0%, 35.3%≈naive device-independent conversion; real print needs an ICC profile

24-bit integer2,469

CSS custom property--colour: #0009A5;

Brightness & contrast

Relative luminance0.02912WCAG 2.x, 0 is black and 1 is white

Perceived brightness56.1 of 255ITU-R BT.601 weighting

Light or darkDark

Best text colour on this backgroundWhitecontrast 13.27:1

Contrast with white13.27:1WCAG normal text: AAA

Contrast with black1.58:1WCAG normal text: Fail

Greyscale equivalent#121212

Inverted#FFF65A

Colour vision & accessibility

Normal vision Protanopia Deuteranopia Tritanopia

Protanopia#0038A9no red cones; affects about 1% of men; ΔE 27.4 from the original

Deuteranopia#0026A3no green cones; the most common form, about 1% of men; ΔE 16.2 from the original

Tritanopia#004460no blue cones; rare, and affects men and women equally; ΔE 83.1 from the original

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

Contrast with white, large text13.27:1WCAG large text: AAA

Contrast with black, large text1.58:1WCAG large text: Fail

Named colours

Dark blue · ΔE 10.2 Navy · ΔE 15.3 Medium blue · ΔE 20.3 Indigo · ΔE 23.4 Blue violet · ΔE 27.2 Dark violet · ΔE 30.1

Nearest named CSS colourDark blue (#00008B)ΔE 10.16, a distinctly different colour

Hue familyblue

CSS keyword usableNo exact keyword

Colour harmonies

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

Complementary#A59C00

Analogous#005BA5, #4A00A5

Triadic#A50009, #09A500

Split complementary#A54A00, #5BA500

Tetradic#A5005B, #A59C00, #00A54A

Tints, shades & saturation

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

Lighter +40%#727AFF

Lighter +30%#3F49FF

Lighter +20%#0C19FF

Lighter +10%#000CD8

Darker −10%#000672

Darker −20%#00033F

Darker −30%#00010C

Darker −40%#000000

More saturated +25%#0009A5

Less saturated −25%#151B90

Channel breakdown

B165

Red0 (0%)

Green9 (3.5%)

Blue165 (64.7%)

Hue236.73°

Saturation (HSL)100%

Lightness32.35%

Dominant channelBlue

Hex per channelR 00 · G 09 · B A5

Keep nerding

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#0009A5

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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