Colour

#040A13

#040A13
Blue
Dark
Nearest: Black

#040A13 is a blue with RGB values 4, 10, 19 and HSL 216°, 65%, 5%. It is a dark colour, so white text on it reaches 19.8:1 contrast (AAA for normal text). The nearest named colour is Black.

Colour values

#040A13#040A13

HEX#040A13

RGBrgb(4, 10, 19)

RGB (0–1)0.0157, 0.0392, 0.0745

RGB percentages1.6%, 3.9%, 7.5%

HSLhsl(216, 65.2%, 4.5%)

HSV / HSBhsv(216, 78.9%, 7.5%)

CMYK78.9%, 47.4%, 0%, 92.5%≈naive device-independent conversion; real print needs an ICC profile

24-bit integer264,723

CSS custom property--colour: #040A13;

Brightness & contrast

Relative luminance0.0029WCAG 2.x, 0 is black and 1 is white

Perceived brightness10.2 of 255ITU-R BT.601 weighting

Light or darkDark

Best text colour on this backgroundWhitecontrast 19.85:1

Contrast with white19.85:1WCAG normal text: AAA

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

Greyscale equivalent#090909

Inverted#FBF5EC

Colour vision & accessibility

Normal vision Protanopia Deuteranopia Tritanopia

Protanopia#070A13no red cones; affects about 1% of men; ΔE 0.8 from the original

Deuteranopia#050913no green cones; the most common form, about 1% of men; ΔE 0.7 from the original

Tritanopia#000C0Dno blue cones; rare, and affects men and women equally; ΔE 4.5 from the original

Distinguishable without hueYesnever rely on hue alone to carry meaning

Contrast with white, large text19.85:1WCAG large text: AAA

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

Named colours

Black · ΔE 5.5 Dark slate grey · ΔE 31 Dim grey · ΔE 42.1 Slate grey · ΔE 50.6 Gray · ΔE 51.2 Dark slateblue · ΔE 53.4

Nearest named CSS colourBlack (#000000)ΔE 5.55, clearly different but related

Hue familyblue

CSS keyword usableNo exact keyword

Colour harmonies

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

Complementary#130D04

Analogous#041113, #050413

Triadic#13040A, #0A1304

Split complementary#130604, #111304

Tetradic#130412, #130D04, #041306

Tints, shades & saturation

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

Lighter +40%#2763BC

Lighter +30%#1F4D91

Lighter +20%#163667

Lighter +10%#0D203D

Darker −10%#000000

Darker −20%#000000

Darker −30%#000000

Darker −40%#000000

More saturated +25%#010916

Less saturated −25%#070B10

Channel breakdown

G10

B19

Red4 (1.6%)

Green10 (3.9%)

Blue19 (7.5%)

Hue216°

Saturation (HSL)65.22%

Lightness4.51%

Dominant channelBlue

Hex per channelR 04 · G 0A · B 13

Keep nerding

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

#040A13

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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