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Colour

#11B9FF

  • #11B9FF
  • Cyan
  • Dark
  • Nearest: Deep skyblue

#11B9FF is a cyan with RGB values 17, 185, 255 and HSL 198°, 100%, 53%. It is a dark colour, so black text on it reaches 9.4:1 contrast (AAA for normal text). The nearest named colour is Deep skyblue.

Colour values

#11B9FF#11B9FF
HEX#11B9FF
RGBrgb(17, 185, 255)
RGB (0–1)0.0667, 0.7255, 1
RGB percentages6.7%, 72.5%, 100%
HSLhsl(197.6, 100%, 53.3%)
HSV / HSBhsv(197.6, 93.3%, 100%)
CMYK93.3%, 27.5%, 0%, 0%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer1,161,727
CSS custom property--colour: #11B9FF;

Brightness & contrast

Relative luminance0.42037WCAG 2.x, 0 is black and 1 is white
Perceived brightness166.1 of 255ITU-R BT.601 weighting
Light or darkDark
Best text colour on this backgroundBlackcontrast 9.41:1
Contrast with white2.23:1WCAG normal text: Fail
Contrast with black9.41:1WCAG normal text: AAA
Greyscale equivalent#9A9A9A
Inverted#EE4600

Colour vision & accessibility

Normal visionProtanopiaDeuteranopiaTritanopia
Protanopia#96B8FFno red cones; affects about 1% of men; ΔE 21.5 from the original
Deuteranopia#79A5FEno green cones; the most common form, about 1% of men; ΔE 24.2 from the original
Tritanopia#00CBD1no blue cones; rare, and affects men and women equally; ΔE 39.2 from the original
Distinguishable without hueShifts in lightness toonever rely on hue alone to carry meaning
Contrast with white, large text2.23:1WCAG large text: Fail
Contrast with black, large text9.41:1WCAG large text: AAA

Named colours

Deep skyblue · ΔE 4.7Light skyblue · ΔE 19.1Steel blue · ΔE 24.6Sky blue · ΔE 25.3Cornflower blue · ΔE 25.4Dodgerblue · ΔE 32.3
Nearest named CSS colourDeep skyblue (#00BFFF)ΔE 4.74, a close match
Hue familycyan
CSS keyword usableNo exact keyword

Colour harmonies

base+30°+90°+120°+180°+210°+240°+270°+330°
Complementary#FF5711
Analogous#11FFCE, #1142FF
Triadic#FF11B9, #B9FF11
Split complementary#FF1142, #FFCE11
Tetradic#CE11FF, #FF5711, #42FF11

Tints, shades & saturation

+40%+30%+20%+10%base-10%-20%-30%-40%
Lighter +40%#DDF5FF
Lighter +30%#AAE6FF
Lighter +20%#77D7FF
Lighter +10%#44C8FF
Darker −10%#009CDD
Darker −20%#0078AA
Darker −30%#005477
Darker −40%#003044
More saturated +25%#11B9FF
Less saturated −25%#2FADE1

Channel breakdown

R17
G185
B255
Red17 (6.7%)
Green185 (72.5%)
Blue255 (100%)
Hue197.65°
Saturation (HSL)100%
Lightness53.33%
Dominant channelBlue
Hex per channelR 11 · G B9 · B FF

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Every value on this page was computed from “11b9ff” by Nerdulator’s colour engine. Nothing here was retrieved from a database of answers or written by a model.