Colour

#5170AC

#5170AC
Blue
Dark
Nearest: Steel blue

#5170AC is a blue with RGB values 81, 112, 172 and HSL 220°, 36%, 50%. It is a dark colour, so white text on it reaches 4.9:1 contrast (AA for normal text). The nearest named colour is Steel blue.

Colour values

#5170AC#5170AC

HEX#5170AC

RGBrgb(81, 112, 172)

RGB (0–1)0.3176, 0.4392, 0.6745

RGB percentages31.8%, 43.9%, 67.5%

HSLhsl(219.6, 36%, 49.6%)

HSV / HSBhsv(219.6, 52.9%, 67.5%)

CMYK52.9%, 34.9%, 0%, 32.5%≈naive device-independent conversion; real print needs an ICC profile

24-bit integer5,337,260

CSS custom property--colour: #5170AC;

Brightness & contrast

Relative luminance0.16316WCAG 2.x, 0 is black and 1 is white

Perceived brightness112.7 of 255ITU-R BT.601 weighting

Light or darkDark

Best text colour on this backgroundWhitecontrast 4.93:1

Contrast with white4.93:1WCAG normal text: AA

Contrast with black4.26:1WCAG normal text: Fail

Greyscale equivalent#6E6E6E

Inverted#AE8F53

Colour vision & accessibility

Normal vision Protanopia Deuteranopia Tritanopia

Protanopia#5875AEno red cones; affects about 1% of men; ΔE 2.8 from the original

Deuteranopia#4E6DABno green cones; the most common form, about 1% of men; ΔE 1.8 from the original

Tritanopia#237D86no blue cones; rare, and affects men and women equally; ΔE 37 from the original

Distinguishable without hueYesnever rely on hue alone to carry meaning

Contrast with white, large text4.93:1WCAG large text: AAA

Contrast with black, large text4.26:1WCAG large text: AA

Named colours

Steel blue · ΔE 12.1 Cornflower blue · ΔE 20.3 Dark slateblue · ΔE 26.5 Slate grey · ΔE 26.9 Light slate grey · ΔE 27.3 Dodgerblue · ΔE 30.6

Nearest named CSS colourSteel blue (#4682B4)ΔE 12.14, a distinctly different colour

Hue familyblue

CSS keyword usableNo exact keyword

Colour harmonies

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

Complementary#AC8D51

Analogous#519DAC, #6051AC

Triadic#AC5170, #70AC51

Split complementary#AC6051, #9DAC51

Tetradic#AC519D, #AC8D51, #51AC60

Tints, shades & saturation

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

Lighter +40%#DBE1EE

Lighter +30%#B8C5DE

Lighter +20%#96A9CD

Lighter +10%#738CBD

Darker −10%#415989

Darker −20%#304367

Darker −30%#202C44

Darker −40%#101621

More saturated +25%#3166CC

Less saturated −25%#717A8C

Channel breakdown

R81

G112

B172

Red81 (31.8%)

Green112 (43.9%)

Blue172 (67.5%)

Hue219.56°

Saturation (HSL)35.97%

Lightness49.61%

Dominant channelBlue

Hex per channelR 51 · G 70 · B AC

Keep nerding

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

#5170AC

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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