Colour

#040B1E

#040B1E
Blue
Dark
Nearest: Black

#040B1E is a blue with RGB values 4, 11, 30 and HSL 224°, 76%, 7%. 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

#040B1E#040B1E

HEX#040B1E

RGBrgb(4, 11, 30)

RGB (0–1)0.0157, 0.0431, 0.1176

RGB percentages1.6%, 4.3%, 11.8%

HSLhsl(223.8, 76.5%, 6.7%)

HSV / HSBhsv(223.8, 86.7%, 11.8%)

CMYK86.7%, 63.3%, 0%, 88.2%≈naive device-independent conversion; real print needs an ICC profile

24-bit integer264,990

CSS custom property--colour: #040B1E;

Brightness & contrast

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

Perceived brightness13.4 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#FBF4E1

Colour vision & accessibility

Normal vision Protanopia Deuteranopia Tritanopia

Protanopia#030D1Fno red cones; affects about 1% of men; ΔE 0.9 from the original

Deuteranopia#010B1Eno green cones; the most common form, about 1% of men; ΔE 0.9 from the original

Tritanopia#000F12no blue cones; rare, and affects men and women equally; ΔE 11.1 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 12.9 Dark slate grey · ΔE 32.6 Dim grey · ΔE 43 Dark slateblue · ΔE 46.9 Midnight blue · ΔE 49 Slate grey · ΔE 49.8

Nearest named CSS colourBlack (#000000)ΔE 12.93, a distinctly different colour

Hue familyblue

CSS keyword usableNo exact keyword

Colour harmonies

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

Complementary#1E1704

Analogous#04181E, #0A041E

Triadic#1E040B, #0B1E04

Split complementary#1E0A04, #181E04

Tetradic#1E0418, #1E1704, #041E0A

Tints, shades & saturation

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

Lighter +40%#1C4DD2

Lighter +30%#163DA5

Lighter +20%#102C78

Lighter +10%#0A1C4B

Darker −10%#000000

Darker −20%#000000

Darker −30%#000000

Darker −40%#000000

More saturated +25%#000922

Less saturated −25%#080D1A

Channel breakdown

G11

B30

Red4 (1.6%)

Green11 (4.3%)

Blue30 (11.8%)

Hue223.85°

Saturation (HSL)76.47%

Lightness6.67%

Dominant channelBlue

Hex per channelR 04 · G 0B · B 1E

Keep nerding

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

#040B1E

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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