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Recognised as Colour

#36447E

  • #36447E
  • Blue
  • Dark
  • Nearest: Dark slateblue

#36447E is a blue with RGB values 54, 68, 126 and HSL 228°, 40%, 35%. It is a dark colour, so white text on it reaches 9.2:1 contrast (AAA for normal text). The nearest named colour is Dark slateblue.

Colour values

#36447E#36447E
HEX#36447E
RGBrgb(54, 68, 126)
RGB (0–1)0.2118, 0.2667, 0.4941
RGB percentages21.2%, 26.7%, 49.4%
HSLhsl(228.3, 40%, 35.3%)
HSV / HSBhsv(228.3, 57.1%, 49.4%)
CMYK57.1%, 46%, 0%, 50.6%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer3,556,478
CSS custom property--colour: #36447E;

Brightness & contrast

Relative luminance0.06425WCAG 2.x, 0 is black and 1 is white
Perceived brightness73.5 of 255ITU-R BT.601 weighting
Light or darkDark
Best text colour on this backgroundWhitecontrast 9.19:1
Contrast with white9.19:1WCAG normal text: AAA
Contrast with black2.28:1WCAG normal text: Fail
Greyscale equivalent#454545
Inverted#C9BB81

Colour vision & accessibility

Normal visionProtanopiaDeuteranopiaTritanopia
Protanopia#2B4B80no red cones; affects about 1% of men; ΔE 6.6 from the original
Deuteranopia#22457Dno green cones; the most common form, about 1% of men; ΔE 5.2 from the original
Tritanopia#0E515Bno blue cones; rare, and affects men and women equally; ΔE 36.9 from the original
Distinguishable without hueYesnever rely on hue alone to carry meaning
Contrast with white, large text9.19:1WCAG large text: AAA
Contrast with black, large text2.28:1WCAG large text: Fail

Named colours

Dark slateblue · ΔE 15.2Steel blue · ΔE 27.8Midnight blue · ΔE 28.2Rebecca purple · ΔE 32.7Cornflower blue · ΔE 34.9Slate blue · ΔE 36
Nearest named CSS colourDark slateblue (#483D8B)ΔE 15.18, a distinctly different colour
Hue familyblue
CSS keyword usableNo exact keyword

Colour harmonies

base+30°+90°+120°+180°+210°+240°+270°+330°
Complementary#7E7036
Analogous#36687E, #4C367E
Triadic#7E3644, #447E36
Split complementary#7E4C36, #687E36
Tetradic#7E3668, #7E7036, #367E4C

Tints, shades & saturation

+40%+30%+20%+10%base-10%-20%-30%-40%
Lighter +40%#A7B1D9
Lighter +30%#8391CA
Lighter +20%#5F71BB
Lighter +10%#4557A2
Darker −10%#27315A
Darker −20%#171D37
Darker −30%#080A13
Darker −40%#000000
More saturated +25%#203695
Less saturated −25%#4D5268

Channel breakdown

R54
G68
B126
Red54 (21.2%)
Green68 (26.7%)
Blue126 (49.4%)
Hue228.33°
Saturation (HSL)40%
Lightness35.29%
Dominant channelBlue
Hex per channelR 36 · G 44 · B 7E

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Every value on this page was computed from “36447e” by Nerdulator’s colour engine. Nothing here was retrieved from a database of answers or written by a model.