Colour

#040B09

#040B09
Cyan
Dark
Nearest: Black

#040B09 is a cyan with RGB values 4, 11, 9 and HSL 163°, 47%, 3%. It is a dark colour, so white text on it reaches 19.9:1 contrast (AAA for normal text). The nearest named colour is Black.

Colour values

#040B09#040B09

HEX#040B09

RGBrgb(4, 11, 9)

RGB (0–1)0.0157, 0.0431, 0.0353

RGB percentages1.6%, 4.3%, 3.5%

HSLhsl(162.9, 46.7%, 2.9%)

HSV / HSBhsv(162.9, 63.6%, 4.3%)

CMYK63.6%, 0%, 18.2%, 95.7%≈naive device-independent conversion; real print needs an ICC profile

24-bit integer264,969

CSS custom property--colour: #040B09;

Brightness & contrast

Relative luminance0.00285WCAG 2.x, 0 is black and 1 is white

Perceived brightness9.2 of 255ITU-R BT.601 weighting

Light or darkDark

Best text colour on this backgroundWhitecontrast 19.87:1

Contrast with white19.87:1WCAG normal text: AAA

Contrast with black1.06:1WCAG normal text: Fail

Greyscale equivalent#090909

Inverted#FBF4F6

Colour vision & accessibility

Normal vision Protanopia Deuteranopia Tritanopia

Protanopia#0A0A09no red cones; affects about 1% of men; ΔE 2 from the original

Deuteranopia#090909no green cones; the most common form, about 1% of men; ΔE 2.1 from the original

Tritanopia#030B0Ano blue cones; rare, and affects men and women equally; ΔE 0.5 from the original

Distinguishable without hueYesnever rely on hue alone to carry meaning

Contrast with white, large text19.87:1WCAG large text: AAA

Contrast with black, large text1.06:1WCAG large text: Fail

Named colours

Black · ΔE 3.3 Dark slate grey · ΔE 30.5 Dim grey · ΔE 41.9 Gray · ΔE 51.1 Slate grey · ΔE 51.4 Dark olivegreen · ΔE 52.7

Nearest named CSS colourBlack (#000000)ΔE 3.34, a close match

Hue familycyan

CSS keyword usableNo exact keyword

Colour harmonies

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

Complementary#0B0406

Analogous#040B06, #04090B

Triadic#09040B, #0B0904

Split complementary#0B0409, #0B0604

Tetradic#06040B, #0B0406, #090B04

Tints, shades & saturation

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

Lighter +40%#3AA183

Lighter +30%#2D7B65

Lighter +20%#1F5646

Lighter +10%#123028

Darker −10%#000000

Darker −20%#000000

Darker −30%#000000

Darker −40%#000000

More saturated +25%#020D0A

Less saturated −25%#060908

Channel breakdown

G11

Red4 (1.6%)

Green11 (4.3%)

Blue9 (3.5%)

Hue162.86°

Saturation (HSL)46.67%

Lightness2.94%

Dominant channelGreen

Hex per channelR 04 · G 0B · B 09

Keep nerding

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

#040B09

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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