Colour

#222B47

#222B47
Blue
Dark
Nearest: Dark slate grey

#222B47 is a blue with RGB values 34, 43, 71 and HSL 225°, 35%, 21%. It is a dark colour, so white text on it reaches 14:1 contrast (AAA for normal text). The nearest named colour is Dark slate grey.

Colour values

#222B47#222B47

HEX#222B47

RGBrgb(34, 43, 71)

RGB (0–1)0.1333, 0.1686, 0.2784

RGB percentages13.3%, 16.9%, 27.8%

HSLhsl(225.4, 35.2%, 20.6%)

HSV / HSBhsv(225.4, 52.1%, 27.8%)

CMYK52.1%, 39.4%, 0%, 72.2%≈naive device-independent conversion; real print needs an ICC profile

24-bit integer2,239,303

CSS custom property--colour: #222B47;

Brightness & contrast

Relative luminance0.02523WCAG 2.x, 0 is black and 1 is white

Perceived brightness44.8 of 255ITU-R BT.601 weighting

Light or darkDark

Best text colour on this backgroundWhitecontrast 13.96:1

Contrast with white13.96:1WCAG normal text: AAA

Contrast with black1.5:1WCAG normal text: Fail

Greyscale equivalent#2B2B2B

Inverted#DDD4B8

Colour vision & accessibility

Normal vision Protanopia Deuteranopia Tritanopia

Protanopia#212E48no red cones; affects about 1% of men; ΔE 2.4 from the original

Deuteranopia#1D2B46no green cones; the most common form, about 1% of men; ΔE 1.9 from the original

Tritanopia#143135no blue cones; rare, and affects men and women equally; ΔE 19.5 from the original

Distinguishable without hueYesnever rely on hue alone to carry meaning

Contrast with white, large text13.96:1WCAG large text: AAA

Contrast with black, large text1.5:1WCAG large text: Fail

Named colours

Dark slate grey · ΔE 26.2 Black · ΔE 26.5 Dim grey · ΔE 32.8 Dark slateblue · ΔE 33.8 Slate grey · ΔE 36.5 Steel blue · ΔE 38.1

Nearest named CSS colourDark slate grey (#2F4F4F)ΔE 26.19, a distinctly different colour

Hue familyblue

CSS keyword usableNo exact keyword

Colour harmonies

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

Complementary#473E22

Analogous#223D47, #2C2247

Triadic#47222B, #2B4722

Split complementary#472C22, #3D4722

Tetradic#47223D, #473E22, #22472C

Tints, shades & saturation

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

Lighter +40%#7788BE

Lighter +30%#556AAD

Lighter +20%#43558C

Lighter +10%#334069

Darker −10%#111625

Darker −20%#010102

Darker −30%#000000

Darker −40%#000000

More saturated +25%#152454

Less saturated −25%#2F323A

Channel breakdown

R34

G43

B71

Red34 (13.3%)

Green43 (16.9%)

Blue71 (27.8%)

Hue225.41°

Saturation (HSL)35.24%

Lightness20.59%

Dominant channelBlue

Hex per channelR 22 · G 2B · B 47

Keep nerding

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

#222B47

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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