Colour

#559FCA

#559FCA
Blue
Dark
Nearest: Steel blue

#559FCA is a blue with RGB values 85, 159, 202 and HSL 202°, 52%, 56%. It is a dark colour, so black text on it reaches 7.2:1 contrast (AAA for normal text). The nearest named colour is Steel blue.

Colour values

#559FCA#559FCA

HEX#559FCA

RGBrgb(85, 159, 202)

RGB (0–1)0.3333, 0.6235, 0.7922

RGB percentages33.3%, 62.4%, 79.2%

HSLhsl(202.1, 52.5%, 56.3%)

HSV / HSBhsv(202.1, 57.9%, 79.2%)

CMYK57.9%, 21.3%, 0%, 20.8%≈naive device-independent conversion; real print needs an ICC profile

24-bit integer5,611,466

CSS custom property--colour: #559FCA;

Brightness & contrast

Relative luminance0.30992WCAG 2.x, 0 is black and 1 is white

Perceived brightness147.1 of 255ITU-R BT.601 weighting

Light or darkDark

Best text colour on this backgroundBlackcontrast 7.2:1

Contrast with white2.92:1WCAG normal text: Fail

Contrast with black7.2:1WCAG normal text: AAA

Greyscale equivalent#929292

Inverted#AA6035

Colour vision & accessibility

Normal vision Protanopia Deuteranopia Tritanopia

Protanopia#8B9ECCno red cones; affects about 1% of men; ΔE 15.2 from the original

Deuteranopia#7B92C9no green cones; the most common form, about 1% of men; ΔE 16.4 from the original

Tritanopia#00AAADno blue cones; rare, and affects men and women equally; ΔE 29.5 from the original

Distinguishable without hueYesnever rely on hue alone to carry meaning

Contrast with white, large text2.92:1WCAG large text: Fail

Contrast with black, large text7.2:1WCAG large text: AAA

Named colours

Steel blue · ΔE 12.3 Light skyblue · ΔE 17.2 Deep skyblue · ΔE 18.3 Sky blue · ΔE 18.9 Light slate grey · ΔE 20.8 Slate grey · ΔE 22.4

Nearest named CSS colourSteel blue (#4682B4)ΔE 12.32, a distinctly different colour

Hue familyblue

CSS keyword usableNo exact keyword

Colour harmonies

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

Complementary#CA8055

Analogous#55CABA, #5565CA

Triadic#CA559F, #9FCA55

Split complementary#CA5565, #CABB55

Tetradic#BA55CA, #CA8055, #65CA55

Tints, shades & saturation

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

Lighter +40%#F1F7FA

Lighter +30%#CAE1EE

Lighter +20%#A3CBE2

Lighter +10%#7CB5D6

Darker −10%#3886B4

Darker −20%#2C698D

Darker −30%#204C66

Darker −40%#142F3F

More saturated +25%#39A6E6

Less saturated −25%#7198AE

Channel breakdown

R85

G159

B202

Red85 (33.3%)

Green159 (62.4%)

Blue202 (79.2%)

Hue202.05°

Saturation (HSL)52.47%

Lightness56.27%

Dominant channelBlue

Hex per channelR 55 · G 9F · B CA

Keep nerding

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

#559FCA

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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