Colour

#222B53

#222B53
Blue
Dark
Nearest: Dark slateblue

#222B53 is a blue with RGB values 34, 43, 83 and HSL 229°, 42%, 23%. It is a dark colour, so white text on it reaches 13.6:1 contrast (AAA for normal text). The nearest named colour is Dark slateblue.

Colour values

#222B53#222B53

HEX#222B53

RGBrgb(34, 43, 83)

RGB (0–1)0.1333, 0.1686, 0.3255

RGB percentages13.3%, 16.9%, 32.5%

HSLhsl(229, 41.9%, 22.9%)

HSV / HSBhsv(229, 59%, 32.5%)

CMYK59%, 48.2%, 0%, 67.5%≈naive device-independent conversion; real print needs an ICC profile

24-bit integer2,239,315

CSS custom property--colour: #222B53;

Brightness & contrast

Relative luminance0.02692WCAG 2.x, 0 is black and 1 is white

Perceived brightness47.1 of 255ITU-R BT.601 weighting

Light or darkDark

Best text colour on this backgroundWhitecontrast 13.65:1

Contrast with white13.65:1WCAG normal text: AAA

Contrast with black1.54:1WCAG normal text: Fail

Greyscale equivalent#2C2C2C

Inverted#DDD4AC

Colour vision & accessibility

Normal vision Protanopia Deuteranopia Tritanopia

Protanopia#1A3055no red cones; affects about 1% of men; ΔE 4.9 from the original

Deuteranopia#142C52no green cones; the most common form, about 1% of men; ΔE 4.2 from the original

Tritanopia#09343Bno blue cones; rare, and affects men and women equally; ΔE 27.1 from the original

Distinguishable without hueYesnever rely on hue alone to carry meaning

Contrast with white, large text13.65:1WCAG large text: AAA

Contrast with black, large text1.54:1WCAG large text: Fail

Named colours

Dark slateblue · ΔE 26.2 Midnight blue · ΔE 32.7 Dark slate grey · ΔE 33.1 Black · ΔE 33.2 Steel blue · ΔE 37 Dim grey · ΔE 37.5

Nearest named CSS colourDark slateblue (#483D8B)ΔE 26.17, a distinctly different colour

Hue familyblue

CSS keyword usableNo exact keyword

Colour harmonies

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

Complementary#534A22

Analogous#224353, #322253

Triadic#53222B, #2B5322

Split complementary#533222, #435322

Tetradic#532243, #534A22, #225332

Tints, shades & saturation

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

Lighter +40%#7987C8

Lighter +30%#5567B9

Lighter +20%#40509B

Lighter +10%#313E77

Darker −10%#13182F

Darker −20%#04060B

Darker −30%#000000

Darker −40%#000000

More saturated +25%#132262

Less saturated −25%#313444

Channel breakdown

R34

G43

B83

Red34 (13.3%)

Green43 (16.9%)

Blue83 (32.5%)

Hue228.98°

Saturation (HSL)41.88%

Lightness22.94%

Dominant channelBlue

Hex per channelR 22 · G 2B · B 53

Keep nerding

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

#222B53

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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