Recognised as Colour

#0100A5

#0100A5
Blue
Dark
Nearest: Dark blue

#0100A5 is a blue with RGB values 1, 0, 165 and HSL 240°, 100%, 32%. It is a dark colour, so white text on it reaches 13.6:1 contrast (AAA for normal text). The nearest named colour is Dark blue.

Colour values

#0100A5#0100A5

HEX#0100A5

RGBrgb(1, 0, 165)

RGB (0–1)0.0039, 0, 0.6471

RGB percentages0.4%, 0%, 64.7%

HSLhsl(240.4, 100%, 32.4%)

HSV / HSBhsv(240.4, 100%, 64.7%)

CMYK99.4%, 100%, 0%, 35.3%≈naive device-independent conversion; real print needs an ICC profile

24-bit integer65,701

CSS custom property--colour: #0100A5;

Brightness & contrast

Relative luminance0.02723WCAG 2.x, 0 is black and 1 is white

Perceived brightness55.7 of 255ITU-R BT.601 weighting

Light or darkDark

Best text colour on this backgroundWhitecontrast 13.6:1

Contrast with white13.6:1WCAG normal text: AAA

Contrast with black1.54:1WCAG normal text: Fail

Greyscale equivalent#0C0C0C

Inverted#FEFF5A

Colour vision & accessibility

Normal vision Protanopia Deuteranopia Tritanopia

Protanopia#0036A9no red cones; affects about 1% of men; ΔE 28.7 from the original

Deuteranopia#0024A3no green cones; the most common form, about 1% of men; ΔE 17.8 from the original

Tritanopia#00435Fno blue cones; rare, and affects men and women equally; ΔE 85.7 from the original

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

Contrast with white, large text13.6:1WCAG large text: AAA

Contrast with black, large text1.54:1WCAG large text: Fail

Named colours

Dark blue · ΔE 12.1 Navy · ΔE 17.3 Medium blue · ΔE 18 Indigo · ΔE 25.2 Blue violet · ΔE 26.7 Dark violet · ΔE 29.2

Nearest named CSS colourDark blue (#00008B)ΔE 12.1, a distinctly different colour

Hue familyblue

CSS keyword usableNo exact keyword

Colour harmonies

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

Complementary#A4A500

Analogous#0051A5, #5300A5

Triadic#A50100, #00A501

Split complementary#A55400, #51A500

Tetradic#A50052, #A4A500, #00A554

Tints, shades & saturation

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

Lighter +40%#7372FF

Lighter +30%#403FFF

Lighter +20%#0D0CFF

Lighter +10%#0100D8

Darker −10%#010072

Darker −20%#00003F

Darker −30%#00000C

Darker −40%#000000

More saturated +25%#0100A5

Less saturated −25%#151590

Channel breakdown

B165

Red1 (0.4%)

Green0 (0%)

Blue165 (64.7%)

Hue240.36°

Saturation (HSL)100%

Lightness32.35%

Dominant channelBlue

Hex per channelR 01 · G 00 · B A5

Keep nerding

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

#0100A5

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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