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Recognised as Colour

#6573AC

  • #6573AC
  • Blue
  • Dark
  • Nearest: Steel blue

#6573AC is a blue with RGB values 101, 115, 172 and HSL 228°, 30%, 54%. It is a dark colour, so black text on it reaches 4.6:1 contrast (AA for normal text). The nearest named colour is Steel blue.

Colour values

#6573AC#6573AC
HEX#6573AC
RGBrgb(101, 115, 172)
RGB (0–1)0.3961, 0.451, 0.6745
RGB percentages39.6%, 45.1%, 67.5%
HSLhsl(228.2, 30%, 53.5%)
HSV / HSBhsv(228.2, 41.3%, 67.5%)
CMYK41.3%, 33.1%, 0%, 32.5%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer6,648,748
CSS custom property--colour: #6573AC;

Brightness & contrast

Relative luminance0.18007WCAG 2.x, 0 is black and 1 is white
Perceived brightness119.1 of 255ITU-R BT.601 weighting
Light or darkDark
Best text colour on this backgroundBlackcontrast 4.6:1
Contrast with white4.56:1WCAG normal text: AA
Contrast with black4.6:1WCAG normal text: AA
Greyscale equivalent#747474
Inverted#9A8C53

Colour vision & accessibility

Normal visionProtanopiaDeuteranopiaTritanopia
Protanopia#6079AEno red cones; affects about 1% of men; ΔE 4.7 from the original
Deuteranopia#5A73ABno green cones; the most common form, about 1% of men; ΔE 3.4 from the original
Tritanopia#4E7E88no blue cones; rare, and affects men and women equally; ΔE 31.7 from the original
Distinguishable without hueYesnever rely on hue alone to carry meaning
Contrast with white, large text4.56:1WCAG large text: AAA
Contrast with black, large text4.6:1WCAG large text: AAA

Named colours

Steel blue · ΔE 14.1Cornflower blue · ΔE 21.2Slate grey · ΔE 24.8Light slate grey · ΔE 25Dark slateblue · ΔE 26.8Dodgerblue · ΔE 32.8
Nearest named CSS colourSteel blue (#4682B4)ΔE 14.11, a distinctly different colour
Hue familyblue
CSS keyword usableNo exact keyword

Colour harmonies

base+30°+90°+120°+180°+210°+240°+270°+330°
Complementary#AC9E65
Analogous#6597AC, #7A65AC
Triadic#AC6573, #73AC65
Split complementary#AC7A65, #97AC65
Tetradic#AC6597, #AC9E65, #65AC7A

Tints, shades & saturation

+40%+30%+20%+10%base-10%-20%-30%-40%
Lighter +40%#EAECF3
Lighter +30%#C8CDE2
Lighter +20%#A7AFD0
Lighter +10%#8691BE
Darker −10%#4E5B90
Darker −20%#3C466F
Darker −30%#2A314E
Darker −40%#181C2D
More saturated +25%#4761CA
Less saturated −25%#83858E

Channel breakdown

R101
G115
B172
Red101 (39.6%)
Green115 (45.1%)
Blue172 (67.5%)
Hue228.17°
Saturation (HSL)29.96%
Lightness53.53%
Dominant channelBlue
Hex per channelR 65 · G 73 · B AC

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Every value on this page was computed from “6573ac” by Nerdulator’s colour engine. Nothing here was retrieved from a database of answers or written by a model.