Colour

#2B3BB2

#2B3BB2
Blue
Dark
Nearest: Slate blue

#2B3BB2 is a blue with RGB values 43, 59, 178 and HSL 233°, 61%, 43%. It is a dark colour, so white text on it reaches 8.9:1 contrast (AAA for normal text). The nearest named colour is Slate blue.

Colour values

#2B3BB2#2B3BB2

HEX#2B3BB2

RGBrgb(43, 59, 178)

RGB (0–1)0.1686, 0.2314, 0.698

RGB percentages16.9%, 23.1%, 69.8%

HSLhsl(232.9, 61.1%, 43.3%)

HSV / HSBhsv(232.9, 75.8%, 69.8%)

CMYK75.8%, 66.9%, 0%, 30.2%≈naive device-independent conversion; real print needs an ICC profile

24-bit integer2,833,330

CSS custom property--colour: #2B3BB2;

Brightness & contrast

Relative luminance0.06856WCAG 2.x, 0 is black and 1 is white

Perceived brightness78.8 of 255ITU-R BT.601 weighting

Light or darkDark

Best text colour on this backgroundWhitecontrast 8.86:1

Contrast with white8.86:1WCAG normal text: AAA

Contrast with black2.37:1WCAG normal text: Fail

Greyscale equivalent#404040

Inverted#D4C44D

Colour vision & accessibility

Normal vision Protanopia Deuteranopia Tritanopia

Protanopia#0051B6no red cones; affects about 1% of men; ΔE 17.5 from the original

Deuteranopia#0044B0no green cones; the most common form, about 1% of men; ΔE 9.8 from the original

Tritanopia#005B71no blue cones; rare, and affects men and women equally; ΔE 68.3 from the original

Distinguishable without hueShifts in lightness toonever rely on hue alone to carry meaning

Contrast with white, large text8.86:1WCAG large text: AAA

Contrast with black, large text2.37:1WCAG large text: Fail

Named colours

Slate blue · ΔE 15.5 Rebecca purple · ΔE 18.9 Royal blue · ΔE 19 Medium slateblue · ΔE 21.3 Navy · ΔE 21.8 Midnight blue · ΔE 22.2

Nearest named CSS colourSlate blue (#6A5ACD)ΔE 15.52, a distinctly different colour

Hue familyblue

CSS keyword usableNo exact keyword

Colour harmonies

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

Complementary#B2A22B

Analogous#2B7EB2, #5F2BB2

Triadic#B22B3B, #3BB22B

Split complementary#B25F2B, #7EB22B

Tetradic#B22B7E, #B2A22B, #2BB25F

Tints, shades & saturation

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

Lighter +40%#BBC1EE

Lighter +30%#919BE5

Lighter +20%#6876DB

Lighter +10%#3F51D1

Darker −10%#212D89

Darker −20%#172060

Darker −30%#0D1237

Darker −40%#03050E

More saturated +25%#0F26CE

Less saturated −25%#475096

Channel breakdown

R43

G59

B178

Red43 (16.9%)

Green59 (23.1%)

Blue178 (69.8%)

Hue232.89°

Saturation (HSL)61.09%

Lightness43.33%

Dominant channelBlue

Hex per channelR 2B · G 3B · B B2

Keep nerding

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

#2B3BB2

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