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Colour

#3567CF

  • #3567CF
  • Blue
  • Dark
  • Nearest: Royal blue

#3567CF is a blue with RGB values 53, 103, 207 and HSL 221°, 62%, 51%. It is a dark colour, so white text on it reaches 5.3:1 contrast (AA for normal text). The nearest named colour is Royal blue.

Colour values

#3567CF#3567CF
HEX#3567CF
RGBrgb(53, 103, 207)
RGB (0–1)0.2078, 0.4039, 0.8118
RGB percentages20.8%, 40.4%, 81.2%
HSLhsl(220.5, 61.6%, 51%)
HSV / HSBhsv(220.5, 74.4%, 81.2%)
CMYK74.4%, 50.2%, 0%, 18.8%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer3,499,983
CSS custom property--colour: #3567CF;

Brightness & contrast

Relative luminance0.14962WCAG 2.x, 0 is black and 1 is white
Perceived brightness109.3 of 255ITU-R BT.601 weighting
Light or darkDark
Best text colour on this backgroundWhitecontrast 5.26:1
Contrast with white5.26:1WCAG normal text: AA
Contrast with black3.99:1WCAG normal text: Fail
Greyscale equivalent#646464
Inverted#CA9830

Colour vision & accessibility

Normal visionProtanopiaDeuteranopiaTritanopia
Protanopia#2773D3no red cones; affects about 1% of men; ΔE 8.7 from the original
Deuteranopia#0065CDno green cones; the most common form, about 1% of men; ΔE 4 from the original
Tritanopia#008091no blue cones; rare, and affects men and women equally; ΔE 59.3 from the original
Distinguishable without hueShifts in lightness toonever rely on hue alone to carry meaning
Contrast with white, large text5.26:1WCAG large text: AAA
Contrast with black, large text3.99:1WCAG large text: AA

Named colours

Royal blue · ΔE 9.7Slate blue · ΔE 16.6Dodgerblue · ΔE 17.4Cornflower blue · ΔE 21.4Medium purple · ΔE 21.5Dark slateblue · ΔE 23.2
Nearest named CSS colourRoyal blue (#4169E1)ΔE 9.75, clearly different but related
Hue familyblue
CSS keyword usableNo exact keyword

Colour harmonies

base+30°+90°+120°+180°+210°+240°+270°+330°
Complementary#CF9D35
Analogous#35B4CF, #5035CF
Triadic#CF3567, #67CF35
Split complementary#CF5035, #B4CF35
Tetradic#CF35B4, #CF9D35, #35CF50

Tints, shades & saturation

+40%+30%+20%+10%base-10%-20%-30%-40%
Lighter +40%#DAE3F6
Lighter +30%#B1C4EC
Lighter +20%#87A5E3
Lighter +10%#5E86D9
Darker −10%#2852A9
Darker −20%#1E3E80
Darker −30%#152A56
Darker −40%#0B162D
More saturated +25%#165CEE
Less saturated −25%#5472B0

Channel breakdown

R53
G103
B207
Red53 (20.8%)
Green103 (40.4%)
Blue207 (81.2%)
Hue220.52°
Saturation (HSL)61.6%
Lightness50.98%
Dominant channelBlue
Hex per channelR 35 · G 67 · B CF

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Every value on this page was computed from “3567cf” by Nerdulator’s colour engine. Nothing here was retrieved from a database of answers or written by a model.