Colour

#3A5689

#3A5689
Blue
Dark
Nearest: Steel blue

#3A5689 is a blue with RGB values 58, 86, 137 and HSL 219°, 41%, 38%. It is a dark colour, so white text on it reaches 7.3:1 contrast (AAA for normal text). The nearest named colour is Steel blue.

Colour values

#3A5689#3A5689

HEX#3A5689

RGBrgb(58, 86, 137)

RGB (0–1)0.2275, 0.3373, 0.5373

RGB percentages22.7%, 33.7%, 53.7%

HSLhsl(218.7, 40.5%, 38.2%)

HSV / HSBhsv(218.7, 57.7%, 53.7%)

CMYK57.7%, 37.2%, 0%, 46.3%≈naive device-independent conversion; real print needs an ICC profile

24-bit integer3,823,241

CSS custom property--colour: #3A5689;

Brightness & contrast

Relative luminance0.09361WCAG 2.x, 0 is black and 1 is white

Perceived brightness86.5 of 255ITU-R BT.601 weighting

Light or darkDark

Best text colour on this backgroundWhitecontrast 7.31:1

Contrast with white7.31:1WCAG normal text: AAA

Contrast with black2.87:1WCAG normal text: Fail

Greyscale equivalent#545454

Inverted#C5A976

Colour vision & accessibility

Normal vision Protanopia Deuteranopia Tritanopia

Protanopia#415A8Bno red cones; affects about 1% of men; ΔE 2.3 from the original

Deuteranopia#375388no green cones; the most common form, about 1% of men; ΔE 1.9 from the original

Tritanopia#046169no blue cones; rare, and affects men and women equally; ΔE 33.2 from the original

Distinguishable without hueYesnever rely on hue alone to carry meaning

Contrast with white, large text7.31:1WCAG large text: AAA

Contrast with black, large text2.87:1WCAG large text: Fail

Named colours

Steel blue · ΔE 18.6 Dark slateblue · ΔE 23.6 Slate grey · ΔE 27.7 Light slate grey · ΔE 29.2 Cornflower blue · ΔE 31.1 Dim grey · ΔE 33

Nearest named CSS colourSteel blue (#4682B4)ΔE 18.6, a distinctly different colour

Hue familyblue

CSS keyword usableNo exact keyword

Colour harmonies

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

Complementary#896D3A

Analogous#3A7D89, #463A89

Triadic#893A56, #56893A

Split complementary#89463A, #7D893A

Tetradic#893A7D, #896D3A, #3A8946

Tints, shades & saturation

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

Lighter +40%#B1C1DE

Lighter +30%#8DA4CF

Lighter +20%#6988C0

Lighter +10%#496CAD

Darker −10%#2B4065

Darker −20%#1C2941

Darker −30%#0C131E

Darker −40%#000000

More saturated +25%#224FA1

Less saturated −25%#525D71

Channel breakdown

R58

G86

B137

Red58 (22.7%)

Green86 (33.7%)

Blue137 (53.7%)

Hue218.73°

Saturation (HSL)40.51%

Lightness38.24%

Dominant channelBlue

Hex per channelR 3A · G 56 · B 89

Keep nerding

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#3A5689

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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