Colour

#6580BD

#6580BD
Blue
Dark
Nearest: Steel blue

#6580BD is a blue with RGB values 101, 128, 189 and HSL 222°, 40%, 57%. It is a dark colour, so black text on it reaches 5.4:1 contrast (AA for normal text). The nearest named colour is Steel blue.

Colour values

#6580BD#6580BD

HEX#6580BD

RGBrgb(101, 128, 189)

RGB (0–1)0.3961, 0.502, 0.7412

RGB percentages39.6%, 50.2%, 74.1%

HSLhsl(221.6, 40%, 56.9%)

HSV / HSBhsv(221.6, 46.6%, 74.1%)

CMYK46.6%, 32.3%, 0%, 25.9%≈naive device-independent conversion; real print needs an ICC profile

24-bit integer6,652,093

CSS custom property--colour: #6580BD;

Brightness & contrast

Relative luminance0.21879WCAG 2.x, 0 is black and 1 is white

Perceived brightness129.4 of 255ITU-R BT.601 weighting

Light or darkDark

Best text colour on this backgroundBlackcontrast 5.38:1

Contrast with white3.91:1WCAG normal text: Fail

Contrast with black5.38:1WCAG normal text: AA

Greyscale equivalent#7F7F7F

Inverted#9A7F42

Colour vision & accessibility

Normal vision Protanopia Deuteranopia Tritanopia

Protanopia#6A85C0no red cones; affects about 1% of men; ΔE 2.3 from the original

Deuteranopia#607DBCno green cones; the most common form, about 1% of men; ΔE 1.8 from the original

Tritanopia#438D96no blue cones; rare, and affects men and women equally; ΔE 35.8 from the original

Distinguishable without hueYesnever rely on hue alone to carry meaning

Contrast with white, large text3.91:1WCAG large text: AA

Contrast with black, large text5.38:1WCAG large text: AAA

Named colours

Steel blue · ΔE 11.5 Cornflower blue · ΔE 16.6 Light slate grey · ΔE 25.7 Slate grey · ΔE 26.1 Dodgerblue · ΔE 29.1 Dark slateblue · ΔE 30.8

Nearest named CSS colourSteel blue (#4682B4)ΔE 11.48, a distinctly different colour

Hue familyblue

CSS keyword usableNo exact keyword

Colour harmonies

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

Complementary#BDA265

Analogous#65ACBD, #7665BD

Triadic#BD6580, #80BD65

Split complementary#BD7665, #ACBD65

Tetradic#BD65AC, #BDA265, #65BD76

Tints, shades & saturation

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

Lighter +40%#F4F6FA

Lighter +30%#D0D8EB

Lighter +20%#ACBBDC

Lighter +10%#899DCC

Darker −10%#4865A7

Darker −20%#384F84

Darker −30%#293A60

Darker −40%#1A243C

More saturated +25%#4A75D9

Less saturated −25%#818BA2

Channel breakdown

R101

G128

B189

Red101 (39.6%)

Green128 (50.2%)

Blue189 (74.1%)

Hue221.59°

Saturation (HSL)40%

Lightness56.86%

Dominant channelBlue

Hex per channelR 65 · G 80 · B BD

Keep nerding

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#6580BD

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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