Recognised as Colour

#0001B9

#0001B9
Blue
Dark
Nearest: Medium blue

#0001B9 is a blue with RGB values 0, 1, 185 and HSL 240°, 100%, 36%. It is a dark colour, so white text on it reaches 12.3:1 contrast (AAA for normal text). The nearest named colour is Medium blue.

Colour values

#0001B9#0001B9

HEX#0001B9

RGBrgb(0, 1, 185)

RGB (0–1)0, 0.0039, 0.7255

RGB percentages0%, 0.4%, 72.5%

HSLhsl(239.7, 100%, 36.3%)

HSV / HSBhsv(239.7, 100%, 72.5%)

CMYK100%, 99.5%, 0%, 27.5%≈naive device-independent conversion; real print needs an ICC profile

24-bit integer441

CSS custom property--colour: #0001B9;

Brightness & contrast

Relative luminance0.03524WCAG 2.x, 0 is black and 1 is white

Perceived brightness62.5 of 255ITU-R BT.601 weighting

Light or darkDark

Best text colour on this backgroundWhitecontrast 12.32:1

Contrast with white12.32:1WCAG normal text: AAA

Contrast with black1.7:1WCAG normal text: Fail

Greyscale equivalent#0E0E0E

Inverted#FFFE46

Colour vision & accessibility

Normal vision Protanopia Deuteranopia Tritanopia

Protanopia#003EBDno red cones; affects about 1% of men; ΔE 31.5 from the original

Deuteranopia#002AB6no green cones; the most common form, about 1% of men; ΔE 19.7 from the original

Tritanopia#004C6Bno blue cones; rare, and affects men and women equally; ΔE 93.1 from the original

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

Contrast with white, large text12.32:1WCAG large text: AAA

Contrast with black, large text1.7:1WCAG large text: Fail

Named colours

Medium blue · ΔE 9.1 Dark blue · ΔE 21 Blue violet · ΔE 23.8 Navy · ΔE 26.2 Dark violet · ΔE 26.8 Blue · ΔE 30.7

Nearest named CSS colourMedium blue (#0000CD)ΔE 9.11, clearly different but related

Hue familyblue

CSS keyword usableNo exact keyword

Colour harmonies

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

Complementary#B9B800

Analogous#005EB9, #5B00B9

Triadic#B90001, #01B900

Split complementary#B95C00, #5EB900

Tetradic#B9005E, #B9B800, #00B95C

Tints, shades & saturation

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

Lighter +40%#8687FF

Lighter +30%#5354FF

Lighter +20%#2021FF

Lighter +10%#0001EC

Darker −10%#000186

Darker −20%#000053

Darker −30%#000020

Darker −40%#000000

More saturated +25%#0001B9

Less saturated −25%#1718A2

Channel breakdown

B185

Red0 (0%)

Green1 (0.4%)

Blue185 (72.5%)

Hue239.68°

Saturation (HSL)100%

Lightness36.27%

Dominant channelBlue

Hex per channelR 00 · G 01 · B B9

Keep nerding

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

#0001B9

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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