Colour

#000B40

#000B40
Blue
Dark
Nearest: Midnight blue

#000B40 is a blue with RGB values 0, 11, 64 and HSL 230°, 100%, 13%. It is a dark colour, so white text on it reaches 18.7:1 contrast (AAA for normal text). The nearest named colour is Midnight blue.

Colour values

#000B40#000B40

HEX#000B40

RGBrgb(0, 11, 64)

RGB (0–1)0, 0.0431, 0.251

RGB percentages0%, 4.3%, 25.1%

HSLhsl(229.7, 100%, 12.5%)

HSV / HSBhsv(229.7, 100%, 25.1%)

CMYK100%, 82.8%, 0%, 74.9%≈naive device-independent conversion; real print needs an ICC profile

24-bit integer2,880

CSS custom property--colour: #000B40;

Brightness & contrast

Relative luminance0.0061WCAG 2.x, 0 is black and 1 is white

Perceived brightness23.2 of 255ITU-R BT.601 weighting

Light or darkDark

Best text colour on this backgroundWhitecontrast 18.72:1

Contrast with white18.72:1WCAG normal text: AAA

Contrast with black1.12:1WCAG normal text: Fail

Greyscale equivalent#0C0C0C

Inverted#FFF4BF

Colour vision & accessibility

Normal vision Protanopia Deuteranopia Tritanopia

Protanopia#001542no red cones; affects about 1% of men; ΔE 7.1 from the original

Deuteranopia#000F3Fno green cones; the most common form, about 1% of men; ΔE 3.5 from the original

Tritanopia#001B24no blue cones; rare, and affects men and women equally; ΔE 35.3 from the original

Distinguishable without hueYesnever rely on hue alone to carry meaning

Contrast with white, large text18.72:1WCAG large text: AAA

Contrast with black, large text1.12:1WCAG large text: Fail

Named colours

Midnight blue · ΔE 22.8 Dark slateblue · ΔE 27.6 Rebecca purple · ΔE 38.9 Black · ΔE 39.2 Indigo · ΔE 41.2 Navy · ΔE 42.8

Nearest named CSS colourMidnight blue (#191970)ΔE 22.83, a distinctly different colour

Hue familyblue

CSS keyword usableNo exact keyword

Colour harmonies

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

Complementary#403500

Analogous#002B40, #150040

Triadic#40000B, #0B4000

Split complementary#401500, #2B4000

Tetradic#40002B, #403500, #004015

Tints, shades & saturation

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

Lighter +40%#0D37FF

Lighter +30%#0025D9

Lighter +20%#001DA6

Lighter +10%#001473

Darker −10%#00020D

Darker −20%#000000

Darker −30%#000000

Darker −40%#000000

More saturated +25%#000B40

Less saturated −25%#081038

Channel breakdown

G11

B64

Red0 (0%)

Green11 (4.3%)

Blue64 (25.1%)

Hue229.69°

Saturation (HSL)100%

Lightness12.55%

Dominant channelBlue

Hex per channelR 00 · G 0B · B 40

Keep nerding

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#000B40

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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