Colour

#040C19

#040C19
Blue
Dark
Nearest: Black

#040C19 is a blue with RGB values 4, 12, 25 and HSL 217°, 72%, 6%. It is a dark colour, so white text on it reaches 19.6:1 contrast (AAA for normal text). The nearest named colour is Black.

Colour values

#040C19#040C19

HEX#040C19

RGBrgb(4, 12, 25)

RGB (0–1)0.0157, 0.0471, 0.098

RGB percentages1.6%, 4.7%, 9.8%

HSLhsl(217.1, 72.4%, 5.7%)

HSV / HSBhsv(217.1, 84%, 9.8%)

CMYK84%, 52%, 0%, 90.2%≈naive device-independent conversion; real print needs an ICC profile

24-bit integer265,241

CSS custom property--colour: #040C19;

Brightness & contrast

Relative luminance0.00359WCAG 2.x, 0 is black and 1 is white

Perceived brightness12.7 of 255ITU-R BT.601 weighting

Light or darkDark

Best text colour on this backgroundWhitecontrast 19.59:1

Contrast with white19.59:1WCAG normal text: AAA

Contrast with black1.07:1WCAG normal text: Fail

Greyscale equivalent#0B0B0B

Inverted#FBF3E6

Colour vision & accessibility

Normal vision Protanopia Deuteranopia Tritanopia

Protanopia#070D1Ano red cones; affects about 1% of men; ΔE 0.8 from the original

Deuteranopia#050B19no green cones; the most common form, about 1% of men; ΔE 0.7 from the original

Tritanopia#000F11no blue cones; rare, and affects men and women equally; ΔE 7.3 from the original

Distinguishable without hueYesnever rely on hue alone to carry meaning

Contrast with white, large text19.59:1WCAG large text: AAA

Contrast with black, large text1.07:1WCAG large text: Fail

Named colours

Black · ΔE 8.9 Dark slate grey · ΔE 31 Dim grey · ΔE 42 Slate grey · ΔE 49.7 Dark slateblue · ΔE 50.5 Gray · ΔE 51

Nearest named CSS colourBlack (#000000)ΔE 8.92, clearly different but related

Hue familyblue

CSS keyword usableNo exact keyword

Colour harmonies

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

Complementary#191104

Analogous#041719, #060419

Triadic#19040C, #0C1904

Split complementary#190604, #171904

Tetradic#190417, #191104, #041906

Tints, shades & saturation

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

Lighter +40%#2060C9

Lighter +30%#194B9D

Lighter +20%#123671

Lighter +10%#0B2145

Darker −10%#000000

Darker −20%#000000

Darker −30%#000000

Darker −40%#000000

More saturated +25%#000B1D

Less saturated −25%#080D15

Channel breakdown

G12

B25

Red4 (1.6%)

Green12 (4.7%)

Blue25 (9.8%)

Hue217.14°

Saturation (HSL)72.41%

Lightness5.69%

Dominant channelBlue

Hex per channelR 04 · G 0C · B 19

Keep nerding

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

#040C19

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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