Recognised as Colour

#2F18AA

#2F18AA
Blue
Dark
Nearest: Dark blue

#2F18AA is a blue with RGB values 47, 24, 170 and HSL 249°, 75%, 38%. It is a dark colour, so white text on it reaches 11.5:1 contrast (AAA for normal text). The nearest named colour is Dark blue.

Colour values

#2F18AA#2F18AA

HEX#2F18AA

RGBrgb(47, 24, 170)

RGB (0–1)0.1843, 0.0941, 0.6667

RGB percentages18.4%, 9.4%, 66.7%

HSLhsl(249.5, 75.3%, 38%)

HSV / HSBhsv(249.5, 85.9%, 66.7%)

CMYK72.4%, 85.9%, 0%, 33.3%≈naive device-independent conversion; real print needs an ICC profile

24-bit integer3,086,506

CSS custom property--colour: #2F18AA;

Brightness & contrast

Relative luminance0.0416WCAG 2.x, 0 is black and 1 is white

Perceived brightness65.5 of 255ITU-R BT.601 weighting

Light or darkDark

Best text colour on this backgroundWhitecontrast 11.46:1

Contrast with white11.46:1WCAG normal text: AAA

Contrast with black1.83:1WCAG normal text: Fail

Greyscale equivalent#272727

Inverted#D0E755

Colour vision & accessibility

Normal vision Protanopia Deuteranopia Tritanopia

Protanopia#003FAEno red cones; affects about 1% of men; ΔE 25.8 from the original

Deuteranopia#0033A8no green cones; the most common form, about 1% of men; ΔE 19.1 from the original

Tritanopia#004864no blue cones; rare, and affects men and women equally; ΔE 78.9 from the original

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

Contrast with white, large text11.46:1WCAG large text: AAA

Contrast with black, large text1.83:1WCAG large text: Fail

Named colours

Dark blue · ΔE 10.2 Navy · ΔE 14.3 Indigo · ΔE 19 Medium blue · ΔE 24.4 Blue violet · ΔE 25.1 Dark orchid · ΔE 25.8

Nearest named CSS colourDark blue (#00008B)ΔE 10.22, a distinctly different colour

Hue familyblue

CSS keyword usableNo exact keyword

Colour harmonies

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

Complementary#93AA18

Analogous#184AAA, #7818AA

Triadic#AA2F18, #18AA2F

Split complementary#AA7818, #4AAA18

Tetradic#AA184A, #93AA18, #18AA78

Tints, shades & saturation

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

Lighter +40%#AA9DF1

Lighter +30%#8370EB

Lighter +20%#5D43E5

Lighter +10%#3B1ED7

Darker −10%#23127D

Darker −20%#160B51

Darker −30%#0A0524

Darker −40%#000000

More saturated +25%#1F00C2

Less saturated −25%#403092

Channel breakdown

R47

G24

B170

Red47 (18.4%)

Green24 (9.4%)

Blue170 (66.7%)

Hue249.45°

Saturation (HSL)75.26%

Lightness38.04%

Dominant channelBlue

Hex per channelR 2F · G 18 · B AA

Keep nerding

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

#2F18AA

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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