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Recognised as Colour

#3668AE

  • #3668AE
  • Blue
  • Dark
  • Nearest: Steel blue

#3668AE is a blue with RGB values 54, 104, 174 and HSL 215°, 53%, 45%. It is a dark colour, so white text on it reaches 5.6:1 contrast (AA for normal text). The nearest named colour is Steel blue.

Colour values

#3668AE#3668AE
HEX#3668AE
RGBrgb(54, 104, 174)
RGB (0–1)0.2118, 0.4078, 0.6824
RGB percentages21.2%, 40.8%, 68.2%
HSLhsl(215, 52.6%, 44.7%)
HSV / HSBhsv(215, 69%, 68.2%)
CMYK69%, 40.2%, 0%, 31.8%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer3,565,742
CSS custom property--colour: #3668AE;

Brightness & contrast

Relative luminance0.13741WCAG 2.x, 0 is black and 1 is white
Perceived brightness103.3 of 255ITU-R BT.601 weighting
Light or darkDark
Best text colour on this backgroundWhitecontrast 5.6:1
Contrast with white5.6:1WCAG normal text: AA
Contrast with black3.75:1WCAG normal text: Fail
Greyscale equivalent#626262
Inverted#C99751

Colour vision & accessibility

Normal visionProtanopiaDeuteranopiaTritanopia
Protanopia#486EB1no red cones; affects about 1% of men; ΔE 3.8 from the original
Deuteranopia#3563ADno green cones; the most common form, about 1% of men; ΔE 3.6 from the original
Tritanopia#007882no blue cones; rare, and affects men and women equally; ΔE 42.3 from the original
Distinguishable without hueYesnever rely on hue alone to carry meaning
Contrast with white, large text5.6:1WCAG large text: AAA
Contrast with black, large text3.75:1WCAG large text: AA

Named colours

Steel blue · ΔE 17.1Cornflower blue · ΔE 19.5Dark slateblue · ΔE 23.3Dodgerblue · ΔE 26.4Royal blue · ΔE 30.4Medium purple · ΔE 33
Nearest named CSS colourSteel blue (#4682B4)ΔE 17.14, a distinctly different colour
Hue familyblue
CSS keyword usableNo exact keyword

Colour harmonies

base+30°+90°+120°+180°+210°+240°+270°+330°
Complementary#AE7C36
Analogous#36A4AE, #4036AE
Triadic#AE3668, #68AE36
Split complementary#AE4036, #A4AE36
Tetradic#AE36A4, #AE7C36, #36AE40

Tints, shades & saturation

+40%+30%+20%+10%base-10%-20%-30%-40%
Lighter +40%#C3D5ED
Lighter +30%#9DB9E0
Lighter +20%#769DD4
Lighter +10%#4F81C8
Darker −10%#2A5187
Darker −20%#1E3960
Darker −30%#122239
Darker −40%#060B12
More saturated +25%#1A63CB
Less saturated −25%#536D92

Channel breakdown

R54
G104
B174
Red54 (21.2%)
Green104 (40.8%)
Blue174 (68.2%)
Hue215°
Saturation (HSL)52.63%
Lightness44.71%
Dominant channelBlue
Hex per channelR 36 · G 68 · B AE

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Every value on this page was computed from “3668ae” by Nerdulator’s colour engine. Nothing here was retrieved from a database of answers or written by a model.