Colour

#0B3558

#0B3558
Blue
Dark
Nearest: Dark slate grey

#0B3558 is a blue with RGB values 11, 53, 88 and HSL 207°, 78%, 19%. It is a dark colour, so white text on it reaches 12.6:1 contrast (AAA for normal text). The nearest named colour is Dark slate grey.

Colour values

#0B3558#0B3558

HEX#0B3558

RGBrgb(11, 53, 88)

RGB (0–1)0.0431, 0.2078, 0.3451

RGB percentages4.3%, 20.8%, 34.5%

HSLhsl(207.3, 77.8%, 19.4%)

HSV / HSBhsv(207.3, 87.5%, 34.5%)

CMYK87.5%, 39.8%, 0%, 65.5%≈naive device-independent conversion; real print needs an ICC profile

24-bit integer734,552

CSS custom property--colour: #0B3558;

Brightness & contrast

Relative luminance0.03322WCAG 2.x, 0 is black and 1 is white

Perceived brightness50.7 of 255ITU-R BT.601 weighting

Light or darkDark

Best text colour on this backgroundWhitecontrast 12.62:1

Contrast with white12.62:1WCAG normal text: AAA

Contrast with black1.66:1WCAG normal text: Fail

Greyscale equivalent#2F2F2F

Inverted#F4CAA7

Colour vision & accessibility

Normal vision Protanopia Deuteranopia Tritanopia

Protanopia#243759no red cones; affects about 1% of men; ΔE 4.7 from the original

Deuteranopia#193057no green cones; the most common form, about 1% of men; ΔE 5.6 from the original

Tritanopia#003D42no blue cones; rare, and affects men and women equally; ΔE 23.1 from the original

Distinguishable without hueYesnever rely on hue alone to carry meaning

Contrast with white, large text12.62:1WCAG large text: AAA

Contrast with black, large text1.66:1WCAG large text: Fail

Named colours

Dark slate grey · ΔE 26.4 Steel blue · ΔE 32.3 Dark slateblue · ΔE 32.4 Black · ΔE 32.9 Dim grey · ΔE 34.1 Slate grey · ΔE 34.8

Nearest named CSS colourDark slate grey (#2F4F4F)ΔE 26.41, a distinctly different colour

Hue familyblue

CSS keyword usableNo exact keyword

Colour harmonies

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

Complementary#582E0B

Analogous#0B5854, #0B0F58

Triadic#580B35, #35580B

Split complementary#580B0F, #58540B

Tetradic#540B58, #582E0B, #0F580B

Tints, shades & saturation

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

Lighter +40%#479FE8

Lighter +30%#1C87E0

Lighter +20%#166CB3

Lighter +10%#115085

Darker −10%#051A2B

Darker −20%#000000

Darker −30%#000000

Darker −40%#000000

More saturated +25%#003663

Less saturated −25%#17344C

Channel breakdown

R11

G53

B88

Red11 (4.3%)

Green53 (20.8%)

Blue88 (34.5%)

Hue207.27°

Saturation (HSL)77.78%

Lightness19.41%

Dominant channelBlue

Hex per channelR 0B · G 35 · B 58

Keep nerding

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

#0B3558

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