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Colour

#366FA7

  • #366FA7
  • Blue
  • Dark
  • Nearest: Steel blue

#366FA7 is a blue with RGB values 54, 111, 167 and HSL 210°, 51%, 43%. It is a dark colour, so white text on it reaches 5.3:1 contrast (AA for normal text). The nearest named colour is Steel blue.

Colour values

#366FA7#366FA7
HEX#366FA7
RGBrgb(54, 111, 167)
RGB (0–1)0.2118, 0.4353, 0.6549
RGB percentages21.2%, 43.5%, 65.5%
HSLhsl(209.7, 51.1%, 43.3%)
HSV / HSBhsv(209.7, 67.7%, 65.5%)
CMYK67.7%, 33.5%, 0%, 34.5%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer3,567,527
CSS custom property--colour: #366FA7;

Brightness & contrast

Relative luminance0.14943WCAG 2.x, 0 is black and 1 is white
Perceived brightness106.2 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#676767
Inverted#C99058

Colour vision & accessibility

Normal visionProtanopiaDeuteranopiaTritanopia
Protanopia#5672A9no red cones; affects about 1% of men; ΔE 6.8 from the original
Deuteranopia#4767A6no green cones; the most common form, about 1% of men; ΔE 8.3 from the original
Tritanopia#007C83no blue cones; rare, and affects men and women equally; ΔE 34.8 from the original
Distinguishable without hueYesnever 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

Steel blue · ΔE 8.6Cornflower blue · ΔE 23.4Slate grey · ΔE 26.1Light slate grey · ΔE 26.6Dark slateblue · ΔE 30.8Dodgerblue · ΔE 32.7
Nearest named CSS colourSteel blue (#4682B4)ΔE 8.62, clearly different but related
Hue familyblue
CSS keyword usableNo exact keyword

Colour harmonies

base+30°+90°+120°+180°+210°+240°+270°+330°
Complementary#A76E36
Analogous#36A7A6, #3637A7
Triadic#A7366F, #6FA736
Split complementary#A73637, #A7A736
Tetradic#A636A7, #A76E36, #37A736

Tints, shades & saturation

+40%+30%+20%+10%base-10%-20%-30%-40%
Lighter +40%#BFD5EA
Lighter +30%#98BBDE
Lighter +20%#72A2D1
Lighter +10%#4B89C5
Darker −10%#2A5580
Darker −20%#1D3C5A
Darker −30%#112233
Darker −40%#04090D
More saturated +25%#1A6FC3
Less saturated −25%#526F8B

Channel breakdown

R54
G111
B167
Red54 (21.2%)
Green111 (43.5%)
Blue167 (65.5%)
Hue209.73°
Saturation (HSL)51.13%
Lightness43.33%
Dominant channelBlue
Hex per channelR 36 · G 6F · B A7

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Every value on this page was computed from “366fa7” by Nerdulator’s colour engine. Nothing here was retrieved from a database of answers or written by a model.