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Recognised as Colour

#365C66

  • #365C66
  • Cyan
  • Dark
  • Nearest: Dark slate grey

#365C66 is a cyan with RGB values 54, 92, 102 and HSL 193°, 31%, 31%. It is a dark colour, so white text on it reaches 7.3:1 contrast (AAA for normal text). The nearest named colour is Dark slate grey.

Colour values

#365C66#365C66
HEX#365C66
RGBrgb(54, 92, 102)
RGB (0–1)0.2118, 0.3608, 0.4
RGB percentages21.2%, 36.1%, 40%
HSLhsl(192.5, 30.8%, 30.6%)
HSV / HSBhsv(192.5, 47.1%, 40%)
CMYK47.1%, 9.8%, 0%, 60%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer3,562,598
CSS custom property--colour: #365C66;

Brightness & contrast

Relative luminance0.09398WCAG 2.x, 0 is black and 1 is white
Perceived brightness83.8 of 255ITU-R BT.601 weighting
Light or darkDark
Best text colour on this backgroundWhitecontrast 7.29:1
Contrast with white7.29:1WCAG normal text: AAA
Contrast with black2.88:1WCAG normal text: Fail
Greyscale equivalent#555555
Inverted#C9A399

Colour vision & accessibility

Normal visionProtanopiaDeuteranopiaTritanopia
Protanopia#555A67no red cones; affects about 1% of men; ΔE 11.9 from the original
Deuteranopia#4E5466no green cones; the most common form, about 1% of men; ΔE 12.7 from the original
Tritanopia#20605Fno blue cones; rare, and affects men and women equally; ΔE 10.6 from the original
Distinguishable without hueYesnever rely on hue alone to carry meaning
Contrast with white, large text7.29:1WCAG large text: AAA
Contrast with black, large text2.88:1WCAG large text: Fail

Named colours

Dark slate grey · ΔE 8.4Dim grey · ΔE 16.4Slate grey · ΔE 18.2Light slate grey · ΔE 20.9Teal · ΔE 21.7Gray · ΔE 22.2
Nearest named CSS colourDark slate grey (#2F4F4F)ΔE 8.38, clearly different but related
Hue familycyan
CSS keyword usableNo exact keyword

Colour harmonies

base+30°+90°+120°+180°+210°+240°+270°+330°
Complementary#664036
Analogous#366658, #364466
Triadic#66365C, #5C6636
Split complementary#663644, #665836
Tetradic#583666, #664036, #446636

Tints, shades & saturation

+40%+30%+20%+10%base-10%-20%-30%-40%
Lighter +40%#9DC1CB
Lighter +30%#7CADB9
Lighter +20%#5A98A8
Lighter +10%#487A87
Darker −10%#243E45
Darker −20%#132023
Darker −30%#010202
Darker −40%#000000
More saturated +25%#23677A
Less saturated −25%#4A5153

Channel breakdown

R54
G92
B102
Red54 (21.2%)
Green92 (36.1%)
Blue102 (40%)
Hue192.5°
Saturation (HSL)30.77%
Lightness30.59%
Dominant channelBlue
Hex per channelR 36 · G 5C · B 66

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Every value on this page was computed from “365c66” by Nerdulator’s colour engine. Nothing here was retrieved from a database of answers or written by a model.