Colour

#223A69

#223A69
Blue
Dark
Nearest: Dark slateblue

#223A69 is a blue with RGB values 34, 58, 105 and HSL 220°, 51%, 27%. It is a dark colour, so white text on it reaches 11.2:1 contrast (AAA for normal text). The nearest named colour is Dark slateblue.

Colour values

#223A69#223A69

HEX#223A69

RGBrgb(34, 58, 105)

RGB (0–1)0.1333, 0.2275, 0.4118

RGB percentages13.3%, 22.7%, 41.2%

HSLhsl(219.7, 51.1%, 27.3%)

HSV / HSBhsv(219.7, 67.6%, 41.2%)

CMYK67.6%, 44.8%, 0%, 58.8%≈naive device-independent conversion; real print needs an ICC profile

24-bit integer2,243,177

CSS custom property--colour: #223A69;

Brightness & contrast

Relative luminance0.04386WCAG 2.x, 0 is black and 1 is white

Perceived brightness59.8 of 255ITU-R BT.601 weighting

Light or darkDark

Best text colour on this backgroundWhitecontrast 11.19:1

Contrast with white11.19:1WCAG normal text: AAA

Contrast with black1.88:1WCAG normal text: Fail

Greyscale equivalent#383838

Inverted#DDC596

Colour vision & accessibility

Normal vision Protanopia Deuteranopia Tritanopia

Protanopia#243F6Bno red cones; affects about 1% of men; ΔE 3.3 from the original

Deuteranopia#1A3868no green cones; the most common form, about 1% of men; ΔE 1.6 from the original

Tritanopia#00454Cno blue cones; rare, and affects men and women equally; ΔE 31.4 from the original

Distinguishable without hueYesnever rely on hue alone to carry meaning

Contrast with white, large text11.19:1WCAG large text: AAA

Contrast with black, large text1.88:1WCAG large text: Fail

Named colours

Dark slateblue · ΔE 22.8 Steel blue · ΔE 29.9 Midnight blue · ΔE 32.2 Dark slate grey · ΔE 33.4 Slate grey · ΔE 35.5 Dim grey · ΔE 36.8

Nearest named CSS colourDark slateblue (#483D8B)ΔE 22.77, a distinctly different colour

Hue familyblue

CSS keyword usableNo exact keyword

Colour harmonies

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

Complementary#695122

Analogous#225E69, #2E2269

Triadic#69223A, #3A6922

Split complementary#692E22, #5D6922

Tetradic#69225D, #695122, #22692D

Tints, shades & saturation

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

Lighter +40%#819ED6

Lighter +30%#5A80CA

Lighter +20%#3B65B6

Lighter +10%#2E4F90

Darker −10%#162542

Darker −20%#090F1C

Darker −30%#000000

Darker −40%#000000

More saturated +25%#11347A

Less saturated −25%#334058

Channel breakdown

R34

G58

B105

Red34 (13.3%)

Green58 (22.7%)

Blue105 (41.2%)

Hue219.72°

Saturation (HSL)51.08%

Lightness27.25%

Dominant channelBlue

Hex per channelR 22 · G 3A · B 69

Keep nerding

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

#223A69

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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