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Recognised as Colour

#4366A4

  • #4366A4
  • Blue
  • Dark
  • Nearest: Steel blue

#4366A4 is a blue with RGB values 67, 102, 164 and HSL 218°, 42%, 45%. It is a dark colour, so white text on it reaches 5.7:1 contrast (AA for normal text). The nearest named colour is Steel blue.

Colour values

#4366A4#4366A4
HEX#4366A4
RGBrgb(67, 102, 164)
RGB (0–1)0.2627, 0.4, 0.6431
RGB percentages26.3%, 40%, 64.3%
HSLhsl(218.4, 42%, 45.3%)
HSV / HSBhsv(218.4, 59.1%, 64.3%)
CMYK59.1%, 37.8%, 0%, 35.7%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer4,417,188
CSS custom property--colour: #4366A4;

Brightness & contrast

Relative luminance0.13376WCAG 2.x, 0 is black and 1 is white
Perceived brightness102.5 of 255ITU-R BT.601 weighting
Light or darkDark
Best text colour on this backgroundWhitecontrast 5.71:1
Contrast with white5.71:1WCAG normal text: AA
Contrast with black3.68:1WCAG normal text: Fail
Greyscale equivalent#636363
Inverted#BC995B

Colour vision & accessibility

Normal visionProtanopiaDeuteranopiaTritanopia
Protanopia#4C6BA7no red cones; affects about 1% of men; ΔE 2.6 from the original
Deuteranopia#3F62A3no green cones; the most common form, about 1% of men; ΔE 2.6 from the original
Tritanopia#00747Dno blue cones; rare, and affects men and women equally; ΔE 39.2 from the original
Distinguishable without hueYesnever rely on hue alone to carry meaning
Contrast with white, large text5.71:1WCAG large text: AAA
Contrast with black, large text3.68:1WCAG large text: AA

Named colours

Steel blue · ΔE 15.1Cornflower blue · ΔE 22.3Dark slateblue · ΔE 23.4Slate grey · ΔE 29.7Light slate grey · ΔE 30.4Dodgerblue · ΔE 30.8
Nearest named CSS colourSteel blue (#4682B4)ΔE 15.13, a distinctly different colour
Hue familyblue
CSS keyword usableNo exact keyword

Colour harmonies

base+30°+90°+120°+180°+210°+240°+270°+330°
Complementary#A48143
Analogous#4397A4, #5143A4
Triadic#A44366, #66A443
Split complementary#A45143, #96A443
Tetradic#A44396, #A48143, #43A451

Tints, shades & saturation

+40%+30%+20%+10%base-10%-20%-30%-40%
Lighter +40%#CAD5E9
Lighter +30%#A6B9DA
Lighter +20%#819CCC
Lighter +10%#5D80BD
Darker −10%#344F80
Darker −20%#25395C
Darker −30%#172237
Darker −40%#080C13
More saturated +25%#265EC1
Less saturated −25%#606E87

Channel breakdown

R67
G102
B164
Red67 (26.3%)
Green102 (40%)
Blue164 (64.3%)
Hue218.35°
Saturation (HSL)41.99%
Lightness45.29%
Dominant channelBlue
Hex per channelR 43 · G 66 · B A4

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Every value on this page was computed from “4366a4” by Nerdulator’s colour engine. Nothing here was retrieved from a database of answers or written by a model.