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Recognised as Colour

#3697A6

  • #3697A6
  • Cyan
  • Dark
  • Nearest: Cadetblue

#3697A6 is a cyan with RGB values 54, 151, 166 and HSL 188°, 51%, 43%. It is a dark colour, so black text on it reaches 6.1:1 contrast (AA for normal text). The nearest named colour is Cadetblue.

Colour values

#3697A6#3697A6
HEX#3697A6
RGBrgb(54, 151, 166)
RGB (0–1)0.2118, 0.5922, 0.651
RGB percentages21.2%, 59.2%, 65.1%
HSLhsl(188, 50.9%, 43.1%)
HSV / HSBhsv(188, 67.5%, 65.1%)
CMYK67.5%, 9%, 0%, 34.9%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer3,577,766
CSS custom property--colour: #3697A6;

Brightness & contrast

Relative luminance0.25671WCAG 2.x, 0 is black and 1 is white
Perceived brightness131.9 of 255ITU-R BT.601 weighting
Light or darkDark
Best text colour on this backgroundBlackcontrast 6.13:1
Contrast with white3.42:1WCAG normal text: Fail
Contrast with black6.13:1WCAG normal text: AA
Greyscale equivalent#838383
Inverted#C96859

Colour vision & accessibility

Normal visionProtanopiaDeuteranopiaTritanopia
Protanopia#8A92A7no red cones; affects about 1% of men; ΔE 25.2 from the original
Deuteranopia#7A86A6no green cones; the most common form, about 1% of men; ΔE 26.2 from the original
Tritanopia#009E9Bno blue cones; rare, and affects men and women equally; ΔE 14 from the original
Distinguishable without hueShifts in lightness toonever rely on hue alone to carry meaning
Contrast with white, large text3.42:1WCAG large text: AA
Contrast with black, large text6.13:1WCAG large text: AAA

Named colours

Cadetblue · ΔE 9.9Dark cyan · ΔE 11.8Teal · ΔE 13.5Light seagreen · ΔE 19.3Light slate grey · ΔE 21.5Slate grey · ΔE 22.2
Nearest named CSS colourCadetblue (#5F9EA0)ΔE 9.94, clearly different but related
Hue familycyan
CSS keyword usableNo exact keyword

Colour harmonies

base+30°+90°+120°+180°+210°+240°+270°+330°
Complementary#A64536
Analogous#36A67D, #365FA6
Triadic#A63697, #97A636
Split complementary#A6365F, #A67D36
Tetradic#7D36A6, #A64536, #5FA636

Tints, shades & saturation

+40%+30%+20%+10%base-10%-20%-30%-40%
Lighter +40%#BEE4EA
Lighter +30%#98D4DD
Lighter +20%#71C4D1
Lighter +10%#4BB4C4
Darker −10%#297480
Darker −20%#1D5159
Darker −30%#102E33
Darker −40%#040B0C
More saturated +25%#1BABC2
Less saturated −25%#52838B

Channel breakdown

R54
G151
B166
Red54 (21.2%)
Green151 (59.2%)
Blue166 (65.1%)
Hue188.04°
Saturation (HSL)50.91%
Lightness43.14%
Dominant channelBlue
Hex per channelR 36 · G 97 · B A6

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Every value on this page was computed from “3697a6” by Nerdulator’s colour engine. Nothing here was retrieved from a database of answers or written by a model.