Colour

#211DD4

#211DD4
Blue
Dark
Nearest: Medium blue

#211DD4 is a blue with RGB values 33, 29, 212 and HSL 241°, 76%, 47%. It is a dark colour, so white text on it reaches 9.6:1 contrast (AAA for normal text). The nearest named colour is Medium blue.

Colour values

#211DD4#211DD4

HEX#211DD4

RGBrgb(33, 29, 212)

RGB (0–1)0.1294, 0.1137, 0.8314

RGB percentages12.9%, 11.4%, 83.1%

HSLhsl(241.3, 75.9%, 47.3%)

HSV / HSBhsv(241.3, 86.3%, 83.1%)

CMYK84.4%, 86.3%, 0%, 16.9%≈naive device-independent conversion; real print needs an ICC profile

24-bit integer2,170,324

CSS custom property--colour: #211DD4;

Brightness & contrast

Relative luminance0.05956WCAG 2.x, 0 is black and 1 is white

Perceived brightness77.1 of 255ITU-R BT.601 weighting

Light or darkDark

Best text colour on this backgroundWhitecontrast 9.58:1

Contrast with white9.58:1WCAG normal text: AAA

Contrast with black2.19:1WCAG normal text: Fail

Greyscale equivalent#2B2B2B

Inverted#DEE22B

Colour vision & accessibility

Normal vision Protanopia Deuteranopia Tritanopia

Protanopia#004ED9no red cones; affects about 1% of men; ΔE 30.3 from the original

Deuteranopia#003BD1no green cones; the most common form, about 1% of men; ΔE 19.4 from the original

Tritanopia#005C7Eno blue cones; rare, and affects men and women equally; ΔE 95.8 from the original

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

Contrast with white, large text9.58:1WCAG large text: AAA

Contrast with black, large text2.19:1WCAG large text: Fail

Named colours

Medium blue · ΔE 7.4 Blue violet · ΔE 20.3 Dark violet · ΔE 25.2 Blue · ΔE 26.2 Dark blue · ΔE 27.1 Dark orchid · ΔE 31.7

Nearest named CSS colourMedium blue (#0000CD)ΔE 7.44, clearly different but related

Hue familyblue

CSS keyword usableNo exact keyword

Colour harmonies

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

Complementary#D0D41D

Analogous#1D75D4, #7C1DD4

Triadic#D4211D, #1DD421

Split complementary#D47D1D, #74D41D

Tetradic#D41D75, #D0D41D, #1DD47D

Tints, shades & saturation

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

Lighter +40%#C7C6F7

Lighter +30%#9B99F1

Lighter +20%#6F6CEB

Lighter +10%#433FE5

Darker −10%#1A17A7

Darker −20%#13117A

Darker −30%#0C0B4D

Darker −40%#050421

More saturated +25%#0500F1

Less saturated −25%#3E3BB6

Channel breakdown

R33

G29

B212

Red33 (12.9%)

Green29 (11.4%)

Blue212 (83.1%)

Hue241.31°

Saturation (HSL)75.93%

Lightness47.25%

Dominant channelBlue

Hex per channelR 21 · G 1D · B D4

Keep nerding

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

#211DD4

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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