Recognised as Colour

#040B1C

#040B1C
Blue
Dark
Nearest: Black

#040B1C is a blue with RGB values 4, 11, 28 and HSL 223°, 75%, 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

#040B1C#040B1C

HEX#040B1C

RGBrgb(4, 11, 28)

RGB (0–1)0.0157, 0.0431, 0.1098

RGB percentages1.6%, 4.3%, 11%

HSLhsl(222.5, 75%, 6.3%)

HSV / HSBhsv(222.5, 85.7%, 11%)

CMYK85.7%, 60.7%, 0%, 89%≈naive device-independent conversion; real print needs an ICC profile

24-bit integer264,988

CSS custom property--colour: #040B1C;

Brightness & contrast

Relative luminance0.00349WCAG 2.x, 0 is black and 1 is white

Perceived brightness12.9 of 255ITU-R BT.601 weighting

Light or darkDark

Best text colour on this backgroundWhitecontrast 19.63:1

Contrast with white19.63:1WCAG normal text: AAA

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

Greyscale equivalent#0B0B0B

Inverted#FBF4E3

Colour vision & accessibility

Normal vision Protanopia Deuteranopia Tritanopia

Protanopia#040D1Dno red cones; affects about 1% of men; ΔE 0.8 from the original

Deuteranopia#020A1Cno green cones; the most common form, about 1% of men; ΔE 0.6 from the original

Tritanopia#000F12no blue cones; rare, and affects men and women equally; ΔE 9.5 from the original

Distinguishable without hueYesnever rely on hue alone to carry meaning

Contrast with white, large text19.63:1WCAG large text: AAA

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

Named colours

Black · ΔE 11.4 Dark slate grey · ΔE 32 Dim grey · ΔE 42.7 Dark slateblue · ΔE 48.2 Slate grey · ΔE 49.9 Midnight blue · ΔE 50.5

Nearest named CSS colourBlack (#000000)ΔE 11.42, a distinctly different colour

Hue familyblue

CSS keyword usableNo exact keyword

Colour harmonies

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

Complementary#1C1504

Analogous#04171C, #09041C

Triadic#1C040B, #0B1C04

Split complementary#1C0904, #171C04

Tetradic#1C0417, #1C1504, #041C09

Tints, shades & saturation

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

Lighter +40%#1D51CF

Lighter +30%#1740A2

Lighter +20%#112E75

Lighter +10%#0A1D49

Darker −10%#000000

Darker −20%#000000

Darker −30%#000000

Darker −40%#000000

More saturated +25%#000920

Less saturated −25%#080D18

Channel breakdown

G11

B28

Red4 (1.6%)

Green11 (4.3%)

Blue28 (11%)

Hue222.5°

Saturation (HSL)75%

Lightness6.27%

Dominant channelBlue

Hex per channelR 04 · G 0B · B 1C

Keep nerding

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

#040B1C

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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