Recognised as Colour

#0B1B37

#0B1B37
Blue
Dark
Nearest: Black

#0B1B37 is a blue with RGB values 11, 27, 55 and HSL 218°, 67%, 13%. It is a dark colour, so white text on it reaches 17.1:1 contrast (AAA for normal text). The nearest named colour is Black.

Colour values

#0B1B37#0B1B37

HEX#0B1B37

RGBrgb(11, 27, 55)

RGB (0–1)0.0431, 0.1059, 0.2157

RGB percentages4.3%, 10.6%, 21.6%

HSLhsl(218.2, 66.7%, 12.9%)

HSV / HSBhsv(218.2, 80%, 21.6%)

CMYK80%, 50.9%, 0%, 78.4%≈naive device-independent conversion; real print needs an ICC profile

24-bit integer727,863

CSS custom property--colour: #0B1B37;

Brightness & contrast

Relative luminance0.01131WCAG 2.x, 0 is black and 1 is white

Perceived brightness28.4 of 255ITU-R BT.601 weighting

Light or darkDark

Best text colour on this backgroundWhitecontrast 17.13:1

Contrast with white17.13:1WCAG normal text: AAA

Contrast with black1.23:1WCAG normal text: Fail

Greyscale equivalent#1A1A1A

Inverted#F4E4C8

Colour vision & accessibility

Normal vision Protanopia Deuteranopia Tritanopia

Protanopia#0E1E38no red cones; affects about 1% of men; ΔE 2.2 from the original

Deuteranopia#061A36no green cones; the most common form, about 1% of men; ΔE 1 from the original

Tritanopia#002126no blue cones; rare, and affects men and women equally; ΔE 19.9 from the original

Distinguishable without hueYesnever rely on hue alone to carry meaning

Contrast with white, large text17.13:1WCAG large text: AAA

Contrast with black, large text1.23:1WCAG large text: Fail

Named colours

Black · ΔE 23.1 Dark slate grey · ΔE 31.6 Dark slateblue · ΔE 36.9 Midnight blue · ΔE 40.2 Dim grey · ΔE 40.2 Slate grey · ΔE 44.4

Nearest named CSS colourBlack (#000000)ΔE 23.14, a distinctly different colour

Hue familyblue

CSS keyword usableNo exact keyword

Colour harmonies

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

Complementary#37270B

Analogous#0B3137, #110B37

Triadic#370B1B, #1B370B

Split complementary#37110B, #31370B

Tetradic#370B31, #37270B, #0B3711

Tints, shades & saturation

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

Lighter +40%#3771D7

Lighter +30%#255AB7

Lighter +20%#1C458C

Lighter +10%#133062

Darker −10%#03060D

Darker −20%#000000

Darker −30%#000000

Darker −40%#000000

More saturated +25%#03193F

Less saturated −25%#131D2F

Channel breakdown

R11

G27

B55

Red11 (4.3%)

Green27 (10.6%)

Blue55 (21.6%)

Hue218.18°

Saturation (HSL)66.67%

Lightness12.94%

Dominant channelBlue

Hex per channelR 0B · G 1B · B 37

Keep nerding

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

#0B1B37

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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