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Colour

#3563CD

  • #3563CD
  • Blue
  • Dark
  • Nearest: Royal blue

#3563CD is a blue with RGB values 53, 99, 205 and HSL 222°, 60%, 51%. It is a dark colour, so white text on it reaches 5.5:1 contrast (AA for normal text). The nearest named colour is Royal blue.

Colour values

#3563CD#3563CD
HEX#3563CD
RGBrgb(53, 99, 205)
RGB (0–1)0.2078, 0.3882, 0.8039
RGB percentages20.8%, 38.8%, 80.4%
HSLhsl(221.8, 60.3%, 50.6%)
HSV / HSBhsv(221.8, 74.1%, 80.4%)
CMYK74.1%, 51.7%, 0%, 19.6%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer3,498,957
CSS custom property--colour: #3563CD;

Brightness & contrast

Relative luminance0.14088WCAG 2.x, 0 is black and 1 is white
Perceived brightness106.7 of 255ITU-R BT.601 weighting
Light or darkDark
Best text colour on this backgroundWhitecontrast 5.5:1
Contrast with white5.5:1WCAG normal text: AA
Contrast with black3.82:1WCAG normal text: Fail
Greyscale equivalent#616161
Inverted#CA9C32

Colour vision & accessibility

Normal visionProtanopiaDeuteranopiaTritanopia
Protanopia#1C70D1no red cones; affects about 1% of men; ΔE 10.1 from the original
Deuteranopia#0062CBno green cones; the most common form, about 1% of men; ΔE 4.3 from the original
Tritanopia#007D8Eno blue cones; rare, and affects men and women equally; ΔE 60.8 from the original
Distinguishable without hueShifts in lightness toonever rely on hue alone to carry meaning
Contrast with white, large text5.5:1WCAG large text: AAA
Contrast with black, large text3.82:1WCAG large text: AA

Named colours

Royal blue · ΔE 8.4Slate blue · ΔE 14.9Dodgerblue · ΔE 19.2Medium purple · ΔE 21.1Medium slateblue · ΔE 22.1Dark slateblue · ΔE 22.6
Nearest named CSS colourRoyal blue (#4169E1)ΔE 8.38, clearly different but related
Hue familyblue
CSS keyword usableNo exact keyword

Colour harmonies

base+30°+90°+120°+180°+210°+240°+270°+330°
Complementary#CD9F35
Analogous#35AFCD, #5335CD
Triadic#CD3563, #63CD35
Split complementary#CD5335, #AFCD35
Tetradic#CD35AF, #CD9F35, #35CD53

Tints, shades & saturation

+40%+30%+20%+10%base-10%-20%-30%-40%
Lighter +40%#D9E1F5
Lighter +30%#B0C2EB
Lighter +20%#87A2E1
Lighter +10%#5E83D7
Darker −10%#294FA6
Darker −20%#1F3B7D
Darker −30%#152854
Darker −40%#0B152B
More saturated +25%#1557ED
Less saturated −25%#556FAE

Channel breakdown

R53
G99
B205
Red53 (20.8%)
Green99 (38.8%)
Blue205 (80.4%)
Hue221.84°
Saturation (HSL)60.32%
Lightness50.59%
Dominant channelBlue
Hex per channelR 35 · G 63 · B CD

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Every value on this page was computed from “3563cd” by Nerdulator’s colour engine. Nothing here was retrieved from a database of answers or written by a model.