Colour

#04040B

#04040B
Blue
Dark
Nearest: Black

#04040B is a blue with RGB values 4, 4, 11 and HSL 240°, 47%, 3%. It is a dark colour, so white text on it reaches 20.4:1 contrast (AAA for normal text). The nearest named colour is Black.

Colour values

#04040B#04040B

HEX#04040B

RGBrgb(4, 4, 11)

RGB (0–1)0.0157, 0.0157, 0.0431

RGB percentages1.6%, 1.6%, 4.3%

HSLhsl(240, 46.7%, 2.9%)

HSV / HSBhsv(240, 63.6%, 4.3%)

CMYK63.6%, 63.6%, 0%, 95.7%≈naive device-independent conversion; real print needs an ICC profile

24-bit integer263,179

CSS custom property--colour: #04040B;

Brightness & contrast

Relative luminance0.00137WCAG 2.x, 0 is black and 1 is white

Perceived brightness5.3 of 255ITU-R BT.601 weighting

Light or darkDark

Best text colour on this backgroundWhitecontrast 20.44:1

Contrast with white20.44:1WCAG normal text: AAA

Contrast with black1.03:1WCAG normal text: Fail

Greyscale equivalent#050505

Inverted#FBFBF4

Colour vision & accessibility

Normal vision Protanopia Deuteranopia Tritanopia

Protanopia#03050Bno red cones; affects about 1% of men; ΔE 0.7 from the original

Deuteranopia#02040Bno green cones; the most common form, about 1% of men; ΔE 0.6 from the original

Tritanopia#030506no blue cones; rare, and affects men and women equally; ΔE 2.5 from the original

Distinguishable without hueYesnever rely on hue alone to carry meaning

Contrast with white, large text20.44:1WCAG large text: AAA

Contrast with black, large text1.03:1WCAG large text: Fail

Named colours

Black · ΔE 3.1 Dark slate grey · ΔE 32.6 Dim grey · ΔE 43.3 Slate grey · ΔE 52.3 Gray · ΔE 52.4 Dark slateblue · ΔE 55.3

Nearest named CSS colourBlack (#000000)ΔE 3.09, a close match

Hue familyblue

CSS keyword usableNo exact keyword

Colour harmonies

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

Complementary#0B0B04

Analogous#04070B, #07040B

Triadic#0B0404, #040B04

Split complementary#0B0704, #070B04

Tetradic#0B0407, #0B0B04, #040B07

Tints, shades & saturation

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

Lighter +40%#3A3AA1

Lighter +30%#2D2D7B

Lighter +20%#1F1F56

Lighter +10%#121230

Darker −10%#000000

Darker −20%#000000

Darker −30%#000000

Darker −40%#000000

More saturated +25%#02020D

Less saturated −25%#060609

Channel breakdown

B11

Red4 (1.6%)

Green4 (1.6%)

Blue11 (4.3%)

Hue240°

Saturation (HSL)46.67%

Lightness2.94%

Dominant channelBlue

Hex per channelR 04 · G 04 · B 0B

Keep nerding

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

#04040B

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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