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Recognised as Colour

#11D8F4

  • #11D8F4
  • Cyan
  • Light
  • Nearest: Dark turquoise

#11D8F4 is a cyan with RGB values 17, 216, 244 and HSL 187°, 91%, 51%. It is a light colour, so black text on it reaches 12.2:1 contrast (AAA for normal text). The nearest named colour is Dark turquoise.

Colour values

#11D8F4#11D8F4
HEX#11D8F4
RGBrgb(17, 216, 244)
RGB (0–1)0.0667, 0.8471, 0.9569
RGB percentages6.7%, 84.7%, 95.7%
HSLhsl(187.4, 91.2%, 51.2%)
HSV / HSBhsv(187.4, 93%, 95.7%)
CMYK93%, 11.5%, 0%, 4.3%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer1,169,652
CSS custom property--colour: #11D8F4;

Brightness & contrast

Relative luminance0.55763WCAG 2.x, 0 is black and 1 is white
Perceived brightness185.1 of 255ITU-R BT.601 weighting
Light or darkLight
Best text colour on this backgroundBlackcontrast 12.15:1
Contrast with white1.73:1WCAG normal text: Fail
Contrast with black12.15:1WCAG normal text: AAA
Greyscale equivalent#B0B0B0
Inverted#EE270B

Colour vision & accessibility

Normal visionProtanopiaDeuteranopiaTritanopia
Protanopia#C2D0F6no red cones; affects about 1% of men; ΔE 37.2 from the original
Deuteranopia#A7BDF4no green cones; the most common form, about 1% of men; ΔE 38.7 from the original
Tritanopia#00E4E1no blue cones; rare, and affects men and women equally; ΔE 18.8 from the original
Distinguishable without hueShifts in lightness toonever rely on hue alone to carry meaning
Contrast with white, large text1.73:1WCAG large text: Fail
Contrast with black, large text12.15:1WCAG large text: AAA

Named colours

Dark turquoise · ΔE 14.7Medium turquoise · ΔE 18.2Sky blue · ΔE 19.1Aqua · ΔE 22.1Cyan · ΔE 22.1Light skyblue · ΔE 22.7
Nearest named CSS colourDark turquoise (#00CED1)ΔE 14.69, a distinctly different colour
Hue familycyan
CSS keyword usableNo exact keyword

Colour harmonies

base+30°+90°+120°+180°+210°+240°+270°+330°
Complementary#F42D11
Analogous#11F49F, #1166F4
Triadic#F411D8, #D8F411
Split complementary#F41167, #F49F11
Tetradic#9F11F4, #F42D11, #66F411

Tints, shades & saturation

+40%+30%+20%+10%base-10%-20%-30%-40%
Lighter +40%#D4F8FD
Lighter +30%#A3F0FB
Lighter +20%#72E8F9
Lighter +10%#42E0F6
Darker −10%#09B1C9
Darker −20%#078698
Darker −30%#055B67
Darker −40%#033036
More saturated +25%#06E0FF
Less saturated −25%#30C1D5

Channel breakdown

R17
G216
B244
Red17 (6.7%)
Green216 (84.7%)
Blue244 (95.7%)
Hue187.4°
Saturation (HSL)91.16%
Lightness51.18%
Dominant channelBlue
Hex per channelR 11 · G D8 · B F4

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Every value on this page was computed from “11d8f4” by Nerdulator’s colour engine. Nothing here was retrieved from a database of answers or written by a model.