Colour

#0B1F39

#0B1F39
Blue
Dark
Nearest: Black

#0B1F39 is a blue with RGB values 11, 31, 57 and HSL 214°, 68%, 13%. It is a dark colour, so white text on it reaches 16.5:1 contrast (AAA for normal text). The nearest named colour is Black.

Colour values

#0B1F39#0B1F39

HEX#0B1F39

RGBrgb(11, 31, 57)

RGB (0–1)0.0431, 0.1216, 0.2235

RGB percentages4.3%, 12.2%, 22.4%

HSLhsl(213.9, 67.6%, 13.3%)

HSV / HSBhsv(213.9, 80.7%, 22.4%)

CMYK80.7%, 45.6%, 0%, 77.6%≈naive device-independent conversion; real print needs an ICC profile

24-bit integer728,889

CSS custom property--colour: #0B1F39;

Brightness & contrast

Relative luminance0.01347WCAG 2.x, 0 is black and 1 is white

Perceived brightness31.2 of 255ITU-R BT.601 weighting

Light or darkDark

Best text colour on this backgroundWhitecontrast 16.54:1

Contrast with white16.54:1WCAG normal text: AAA

Contrast with black1.27:1WCAG normal text: Fail

Greyscale equivalent#1D1D1D

Inverted#F4E0C6

Colour vision & accessibility

Normal vision Protanopia Deuteranopia Tritanopia

Protanopia#13213Ano red cones; affects about 1% of men; ΔE 1.9 from the original

Deuteranopia#0C1D38no green cones; the most common form, about 1% of men; ΔE 1.5 from the original

Tritanopia#002529no blue cones; rare, and affects men and women equally; ΔE 18.8 from the original

Distinguishable without hueYesnever rely on hue alone to carry meaning

Contrast with white, large text16.54:1WCAG large text: AAA

Contrast with black, large text1.27:1WCAG large text: Fail

Named colours

Black · ΔE 22.6 Dark slate grey · ΔE 28.9 Dark slateblue · ΔE 38 Dim grey · ΔE 38.1 Midnight blue · ΔE 42.3 Slate grey · ΔE 42.4

Nearest named CSS colourBlack (#000000)ΔE 22.61, a distinctly different colour

Hue familyblue

CSS keyword usableNo exact keyword

Colour harmonies

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

Complementary#39250B

Analogous#0B3639, #0E0B39

Triadic#390B1F, #1F390B

Split complementary#390E0B, #36390B

Tetradic#390B36, #39250B, #0B390E

Tints, shades & saturation

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

Lighter +40%#377DD9

Lighter +30%#2465B9

Lighter +20%#1B4D8F

Lighter +10%#133664

Darker −10%#03080E

Darker −20%#000000

Darker −30%#000000

Darker −40%#000000

More saturated +25%#021E42

Less saturated −25%#132031

Channel breakdown

R11

G31

B57

Red11 (4.3%)

Green31 (12.2%)

Blue57 (22.4%)

Hue213.91°

Saturation (HSL)67.65%

Lightness13.33%

Dominant channelBlue

Hex per channelR 0B · G 1F · B 39

Keep nerding

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

#0B1F39

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

Nerdulate something else