Recognised as Colour

#212FB2

#212FB2
Blue
Dark
Nearest: Dark blue

#212FB2 is a blue with RGB values 33, 47, 178 and HSL 234°, 69%, 41%. It is a dark colour, so white text on it reaches 9.9:1 contrast (AAA for normal text). The nearest named colour is Dark blue.

Colour values

#212FB2#212FB2

HEX#212FB2

RGBrgb(33, 47, 178)

RGB (0–1)0.1294, 0.1843, 0.698

RGB percentages12.9%, 18.4%, 69.8%

HSLhsl(234.2, 68.7%, 41.4%)

HSV / HSBhsv(234.2, 81.5%, 69.8%)

CMYK81.5%, 73.6%, 0%, 30.2%≈naive device-independent conversion; real print needs an ICC profile

24-bit integer2,174,898

CSS custom property--colour: #212FB2;

Brightness & contrast

Relative luminance0.05571WCAG 2.x, 0 is black and 1 is white

Perceived brightness72.3 of 255ITU-R BT.601 weighting

Light or darkDark

Best text colour on this backgroundWhitecontrast 9.93:1

Contrast with white9.93:1WCAG normal text: AAA

Contrast with black2.11:1WCAG normal text: Fail

Greyscale equivalent#353535

Inverted#DED04D

Colour vision & accessibility

Normal vision Protanopia Deuteranopia Tritanopia

Protanopia#004AB6no red cones; affects about 1% of men; ΔE 20.2 from the original

Deuteranopia#003CB0no green cones; the most common form, about 1% of men; ΔE 11.6 from the original

Tritanopia#00556Eno blue cones; rare, and affects men and women equally; ΔE 73.9 from the original

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

Contrast with white, large text9.93:1WCAG large text: AAA

Contrast with black, large text2.11:1WCAG large text: Fail

Named colours

Dark blue · ΔE 15.7 Navy · ΔE 17 Indigo · ΔE 20.6 Slate blue · ΔE 21.9 Rebecca purple · ΔE 23.3 Medium slateblue · ΔE 24.3

Nearest named CSS colourDark blue (#00008B)ΔE 15.73, a distinctly different colour

Hue familyblue

CSS keyword usableNo exact keyword

Colour harmonies

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

Complementary#B2A421

Analogous#2177B2, #5C21B2

Triadic#B2212F, #2FB221

Split complementary#B25B21, #78B221

Tetradic#B22177, #B2A421, #21B25B

Tints, shades & saturation

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

Lighter +40%#AFB5F0

Lighter +30%#848EE8

Lighter +20%#5966E0

Lighter +10%#2E3ED8

Darker −10%#192487

Darker −20%#11185C

Darker −30%#090D31

Darker −40%#010206

More saturated +25%#071ACC

Less saturated −25%#3B4498

Channel breakdown

R33

G47

B178

Red33 (12.9%)

Green47 (18.4%)

Blue178 (69.8%)

Hue234.21°

Saturation (HSL)68.72%

Lightness41.37%

Dominant channelBlue

Hex per channelR 21 · G 2F · B B2

Keep nerding

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

#212FB2

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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