Recognised as Colour

#000409

#000409
Blue
Dark
Nearest: Black

#000409 is a blue with RGB values 0, 4, 9 and HSL 213°, 100%, 2%. It is a dark colour, so white text on it reaches 20.6:1 contrast (AAA for normal text). The nearest named colour is Black.

Colour values

#000409#000409

HEX#000409

RGBrgb(0, 4, 9)

RGB (0–1)0, 0.0157, 0.0353

RGB percentages0%, 1.6%, 3.5%

HSLhsl(213.3, 100%, 1.8%)

HSV / HSBhsv(213.3, 100%, 3.5%)

CMYK100%, 55.6%, 0%, 96.5%≈naive device-independent conversion; real print needs an ICC profile

24-bit integer1,033

CSS custom property--colour: #000409;

Brightness & contrast

Relative luminance0.00107WCAG 2.x, 0 is black and 1 is white

Perceived brightness4.3 of 255ITU-R BT.601 weighting

Light or darkDark

Best text colour on this backgroundWhitecontrast 20.56:1

Contrast with white20.56:1WCAG normal text: AAA

Contrast with black1.02:1WCAG normal text: Fail

Greyscale equivalent#040404

Inverted#FFFBF6

Colour vision & accessibility

Normal vision Protanopia Deuteranopia Tritanopia

Protanopia#020409no red cones; affects about 1% of men; ΔE 0.6 from the original

Deuteranopia#010309no green cones; the most common form, about 1% of men; ΔE 0.7 from the original

Tritanopia#000506no blue cones; rare, and affects men and women equally; ΔE 1.6 from the original

Distinguishable without hueYesnever rely on hue alone to carry meaning

Contrast with white, large text20.56:1WCAG large text: AAA

Contrast with black, large text1.02:1WCAG large text: Fail

Named colours

Black · ΔE 2.5 Dark slate grey · ΔE 32.4 Dim grey · ΔE 43.5 Slate grey · ΔE 52.6 Gray · ΔE 52.7 Teal · ΔE 55.6

Nearest named CSS colourBlack (#000000)ΔE 2.48, a close match

Hue familyblue

CSS keyword usableNo exact keyword

Colour harmonies

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

Complementary#090500

Analogous#000909, #000009

Triadic#090004, #040900

Split complementary#090000, #090900

Tetradic#090009, #090500, #000900

Tints, shades & saturation

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

Lighter +40%#005FD5

Lighter +30%#0048A2

Lighter +20%#00316F

Lighter +10%#001B3C

Darker −10%#000000

Darker −20%#000000

Darker −30%#000000

Darker −40%#000000

More saturated +25%#000409

Less saturated −25%#010408

Channel breakdown

Red0 (0%)

Green4 (1.6%)

Blue9 (3.5%)

Hue213.33°

Saturation (HSL)100%

Lightness1.76%

Dominant channelBlue

Hex per channelR 00 · G 04 · B 09

Keep nerding

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

#000409

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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