Colour

#558BA9

#558BA9
Blue
Dark
Nearest: Steel blue

#558BA9 is a blue with RGB values 85, 139, 169 and HSL 201°, 33%, 50%. It is a dark colour, so black text on it reaches 5.7:1 contrast (AA for normal text). The nearest named colour is Steel blue.

Colour values

#558BA9#558BA9

HEX#558BA9

RGBrgb(85, 139, 169)

RGB (0–1)0.3333, 0.5451, 0.6627

RGB percentages33.3%, 54.5%, 66.3%

HSLhsl(201.4, 33.1%, 49.8%)

HSV / HSBhsv(201.4, 49.7%, 66.3%)

CMYK49.7%, 17.8%, 0%, 33.7%≈naive device-independent conversion; real print needs an ICC profile

24-bit integer5,606,313

CSS custom property--colour: #558BA9;

Brightness & contrast

Relative luminance0.23261WCAG 2.x, 0 is black and 1 is white

Perceived brightness129.5 of 255ITU-R BT.601 weighting

Light or darkDark

Best text colour on this backgroundBlackcontrast 5.65:1

Contrast with white3.72:1WCAG normal text: Fail

Contrast with black5.65:1WCAG normal text: AA

Greyscale equivalent#828282

Inverted#AA7456

Colour vision & accessibility

Normal vision Protanopia Deuteranopia Tritanopia

Protanopia#7D8AABno red cones; affects about 1% of men; ΔE 12.8 from the original

Deuteranopia#7181A9no green cones; the most common form, about 1% of men; ΔE 13.6 from the original

Tritanopia#2A9395no blue cones; rare, and affects men and women equally; ΔE 22 from the original

Distinguishable without hueYesnever rely on hue alone to carry meaning

Contrast with white, large text3.72:1WCAG large text: AA

Contrast with black, large text5.65:1WCAG large text: AAA

Named colours

Steel blue · ΔE 12.4 Light slate grey · ΔE 12.5 Slate grey · ΔE 13.3 Cadetblue · ΔE 18.3 Gray · ΔE 23.4 Teal · ΔE 24.4

Nearest named CSS colourSteel blue (#4682B4)ΔE 12.4, a distinctly different colour

Hue familyblue

CSS keyword usableNo exact keyword

Colour harmonies

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

Complementary#A97355

Analogous#55A99D, #5561A9

Triadic#A9558B, #8BA955

Split complementary#A95561, #A99D55

Tetradic#9D55A9, #A97355, #61A955

Tints, shades & saturation

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

Lighter +40%#DCE7EE

Lighter +30%#BAD0DD

Lighter +20%#99B9CB

Lighter +10%#77A2BA

Darker −10%#446F87

Darker −20%#335365

Darker −30%#223743

Darker −40%#111B21

More saturated +25%#3594C9

Less saturated −25%#758289

Channel breakdown

R85

G139

B169

Red85 (33.3%)

Green139 (54.5%)

Blue169 (66.3%)

Hue201.43°

Saturation (HSL)33.07%

Lightness49.8%

Dominant channelBlue

Hex per channelR 55 · G 8B · B A9

Keep nerding

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

#558BA9

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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