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Recognised as Colour

#366C75

  • #366C75
  • Cyan
  • Dark
  • Nearest: Dark slate grey

#366C75 is a cyan with RGB values 54, 108, 117 and HSL 189°, 37%, 34%. It is a dark colour, so white text on it reaches 5.9:1 contrast (AA for normal text). The nearest named colour is Dark slate grey.

Colour values

#366C75#366C75
HEX#366C75
RGBrgb(54, 108, 117)
RGB (0–1)0.2118, 0.4235, 0.4588
RGB percentages21.2%, 42.4%, 45.9%
HSLhsl(188.6, 36.8%, 33.5%)
HSV / HSBhsv(188.6, 53.8%, 45.9%)
CMYK53.8%, 7.7%, 0%, 54.1%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer3,566,709
CSS custom property--colour: #366C75;

Brightness & contrast

Relative luminance0.12794WCAG 2.x, 0 is black and 1 is white
Perceived brightness96.3 of 255ITU-R BT.601 weighting
Light or darkDark
Best text colour on this backgroundWhitecontrast 5.9:1
Contrast with white5.9:1WCAG normal text: AA
Contrast with black3.56:1WCAG normal text: Fail
Greyscale equivalent#616161
Inverted#C9938A

Colour vision & accessibility

Normal visionProtanopiaDeuteranopiaTritanopia
Protanopia#646876no red cones; affects about 1% of men; ΔE 17 from the original
Deuteranopia#5A6175no green cones; the most common form, about 1% of men; ΔE 17.3 from the original
Tritanopia#0A706Fno blue cones; rare, and affects men and women equally; ΔE 11.3 from the original
Distinguishable without hueYesnever rely on hue alone to carry meaning
Contrast with white, large text5.9:1WCAG large text: AAA
Contrast with black, large text3.56:1WCAG large text: AA

Named colours

Dark slate grey · ΔE 13.5Teal · ΔE 15Slate grey · ΔE 16.7Dark cyan · ΔE 18.3Dim grey · ΔE 18.6Light slate grey · ΔE 18.7
Nearest named CSS colourDark slate grey (#2F4F4F)ΔE 13.54, a distinctly different colour
Hue familycyan
CSS keyword usableNo exact keyword

Colour harmonies

base+30°+90°+120°+180°+210°+240°+270°+330°
Complementary#753F36
Analogous#36755E, #364C75
Triadic#75366C, #6C7536
Split complementary#75364D, #755E36
Tetradic#5E3675, #753F36, #4D7536

Tints, shades & saturation

+40%+30%+20%+10%base-10%-20%-30%-40%
Lighter +40%#A3CDD4
Lighter +30%#80BAC4
Lighter +20%#5DA8B4
Lighter +10%#468C98
Darker −10%#264C52
Darker −20%#162C2F
Darker −30%#060B0C
Darker −40%#000000
More saturated +25%#217B8A
Less saturated −25%#4B5D60

Channel breakdown

R54
G108
B117
Red54 (21.2%)
Green108 (42.4%)
Blue117 (45.9%)
Hue188.57°
Saturation (HSL)36.84%
Lightness33.53%
Dominant channelBlue
Hex per channelR 36 · G 6C · B 75

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Every value on this page was computed from “366c75” by Nerdulator’s colour engine. Nothing here was retrieved from a database of answers or written by a model.