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Recognised as Colour

#3C64AA

  • #3C64AA
  • Blue
  • Dark
  • Nearest: Steel blue

#3C64AA is a blue with RGB values 60, 100, 170 and HSL 218°, 48%, 45%. It is a dark colour, so white text on it reaches 5.8:1 contrast (AA for normal text). The nearest named colour is Steel blue.

Colour values

#3C64AA#3C64AA
HEX#3C64AA
RGBrgb(60, 100, 170)
RGB (0–1)0.2353, 0.3922, 0.6667
RGB percentages23.5%, 39.2%, 66.7%
HSLhsl(218.2, 47.8%, 45.1%)
HSV / HSBhsv(218.2, 64.7%, 66.7%)
CMYK64.7%, 41.2%, 0%, 33.3%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer3,957,930
CSS custom property--colour: #3C64AA;

Brightness & contrast

Relative luminance0.12977WCAG 2.x, 0 is black and 1 is white
Perceived brightness101.2 of 255ITU-R BT.601 weighting
Light or darkDark
Best text colour on this backgroundWhitecontrast 5.84:1
Contrast with white5.84:1WCAG normal text: AA
Contrast with black3.6:1WCAG normal text: Fail
Greyscale equivalent#616161
Inverted#C39B55

Colour vision & accessibility

Normal visionProtanopiaDeuteranopiaTritanopia
Protanopia#456AADno red cones; affects about 1% of men; ΔE 3.2 from the original
Deuteranopia#3460A9no green cones; the most common form, about 1% of men; ΔE 2.6 from the original
Tritanopia#00747Fno blue cones; rare, and affects men and women equally; ΔE 42.4 from the original
Distinguishable without hueYesnever rely on hue alone to carry meaning
Contrast with white, large text5.84:1WCAG large text: AAA
Contrast with black, large text3.6:1WCAG large text: AA

Named colours

Steel blue · ΔE 18.8Cornflower blue · ΔE 20.6Dark slateblue · ΔE 20.9Dodgerblue · ΔE 27.3Royal blue · ΔE 29.7Medium purple · ΔE 31.6
Nearest named CSS colourSteel blue (#4682B4)ΔE 18.8, a distinctly different colour
Hue familyblue
CSS keyword usableNo exact keyword

Colour harmonies

base+30°+90°+120°+180°+210°+240°+270°+330°
Complementary#AA823C
Analogous#3C9BAA, #4B3CAA
Triadic#AA3C64, #64AA3C
Split complementary#AA4B3C, #9BAA3C
Tetradic#AA3C9B, #AA823C, #3CAA4B

Tints, shades & saturation

+40%+30%+20%+10%base-10%-20%-30%-40%
Lighter +40%#C7D4EB
Lighter +30%#A1B7DE
Lighter +20%#7B9AD1
Lighter +10%#567EC3
Darker −10%#2F4E84
Darker −20%#21385F
Darker −30%#142139
Darker −40%#070B13
More saturated +25%#1F5CC7
Less saturated −25%#596C8D

Channel breakdown

R60
G100
B170
Red60 (23.5%)
Green100 (39.2%)
Blue170 (66.7%)
Hue218.18°
Saturation (HSL)47.83%
Lightness45.1%
Dominant channelBlue
Hex per channelR 3C · G 64 · B AA

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Every value on this page was computed from “3c64aa” by Nerdulator’s colour engine. Nothing here was retrieved from a database of answers or written by a model.