Recognised as Colour

#53577B

#53577B
Blue
Dark
Nearest: Slate grey

#53577B is a blue with RGB values 83, 87, 123 and HSL 234°, 19%, 40%. It is a dark colour, so white text on it reaches 7:1 contrast (AA for normal text). The nearest named colour is Slate grey.

Colour values

#53577B#53577B

HEX#53577B

RGBrgb(83, 87, 123)

RGB (0–1)0.3255, 0.3412, 0.4824

RGB percentages32.5%, 34.1%, 48.2%

HSLhsl(234, 19.4%, 40.4%)

HSV / HSBhsv(234, 32.5%, 48.2%)

CMYK32.5%, 29.3%, 0%, 51.8%≈naive device-independent conversion; real print needs an ICC profile

24-bit integer5,461,883

CSS custom property--colour: #53577B;

Brightness & contrast

Relative luminance0.10085WCAG 2.x, 0 is black and 1 is white

Perceived brightness90.7 of 255ITU-R BT.601 weighting

Light or darkDark

Best text colour on this backgroundWhitecontrast 6.96:1

Contrast with white6.96:1WCAG normal text: AA

Contrast with black3.02:1WCAG normal text: Fail

Greyscale equivalent#595959

Inverted#ACA884

Colour vision & accessibility

Normal vision Protanopia Deuteranopia Tritanopia

Protanopia#4C5B7Dno red cones; affects about 1% of men; ΔE 4.2 from the original

Deuteranopia#4A587Ano green cones; the most common form, about 1% of men; ΔE 3.8 from the original

Tritanopia#495E64no blue cones; rare, and affects men and women equally; ΔE 20.3 from the original

Distinguishable without hueYesnever rely on hue alone to carry meaning

Contrast with white, large text6.96:1WCAG large text: AAA

Contrast with black, large text3.02:1WCAG large text: AA

Named colours

Slate grey · ΔE 20.5 Steel blue · ΔE 21.8 Light slate grey · ΔE 22.6 Dim grey · ΔE 23.1 Dark slate grey · ΔE 26.6 Gray · ΔE 27.1

Nearest named CSS colourSlate grey (#708090)ΔE 20.48, a distinctly different colour

Hue familyblue

CSS keyword usableNo exact keyword

Colour harmonies

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

Complementary#7B7753

Analogous#536B7B, #63537B

Triadic#7B5357, #577B53

Split complementary#7B6353, #6B7B53

Tetradic#7B536B, #7B7753, #537B63

Tints, shades & saturation

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

Lighter +40%#C3C5D7

Lighter +30%#A5A8C2

Lighter +20%#868AAE

Lighter +10%#686D99

Darker −10%#3E415D

Darker −20%#2A2C3E

Darker −30%#151620

Darker −40%#010101

More saturated +25%#394295

Less saturated −25%#676767

Channel breakdown

R83

G87

B123

Red83 (32.5%)

Green87 (34.1%)

Blue123 (48.2%)

Hue234°

Saturation (HSL)19.42%

Lightness40.39%

Dominant channelBlue

Hex per channelR 53 · G 57 · B 7B

Keep nerding

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

#53577B

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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