Colour

#11BBFF

#11BBFF
Cyan
Dark
Nearest: Deep skyblue

#11BBFF is a cyan with RGB values 17, 187, 255 and HSL 197°, 100%, 53%. It is a dark colour, so black text on it reaches 9.6:1 contrast (AAA for normal text). The nearest named colour is Deep skyblue.

Colour values

#11BBFF#11BBFF

HEX#11BBFF

HEX (short)#1BF

RGBrgb(17, 187, 255)

RGB (0–1)0.0667, 0.7333, 1

RGB percentages6.7%, 73.3%, 100%

HSLhsl(197.1, 100%, 53.3%)

HSV / HSBhsv(197.1, 93.3%, 100%)

CMYK93.3%, 26.7%, 0%, 0%≈naive device-independent conversion; real print needs an ICC profile

24-bit integer1,162,239

CSS custom property--colour: #11BBFF;

Brightness & contrast

Relative luminance0.4288WCAG 2.x, 0 is black and 1 is white

Perceived brightness167.4 of 255ITU-R BT.601 weighting

Light or darkDark

Best text colour on this backgroundBlackcontrast 9.58:1

Contrast with white2.19:1WCAG normal text: Fail

Contrast with black9.58:1WCAG normal text: AAA

Greyscale equivalent#9C9C9C

Inverted#EE4400

Colour vision & accessibility

Normal vision Protanopia Deuteranopia Tritanopia

Protanopia#99BAFFno red cones; affects about 1% of men; ΔE 22.3 from the original

Deuteranopia#7CA6FEno green cones; the most common form, about 1% of men; ΔE 25.3 from the original

Tritanopia#00CDD2no blue cones; rare, and affects men and women equally; ΔE 38.5 from the original

Distinguishable without hueShifts in lightness toonever rely on hue alone to carry meaning

Contrast with white, large text2.19:1WCAG large text: Fail

Contrast with black, large text9.58:1WCAG large text: AAA

Named colours

Deep skyblue · ΔE 3.2 Light skyblue · ΔE 18.3 Sky blue · ΔE 24.2 Steel blue · ΔE 25.1 Cornflower blue · ΔE 26.7 Light steelblue · ΔE 32.9

Nearest named CSS colourDeep skyblue (#00BFFF)ΔE 3.23, a close match

Hue familycyan

CSS keyword usableNo exact keyword

Colour harmonies

base +30°+90°+120°+180°+210°+240°+270°+330°

Complementary#FF5511

Analogous#11FFCC, #1144FF

Triadic#FF11BB, #BBFF11

Split complementary#FF1144, #FFCC11

Tetradic#CC11FF, #FF5511, #44FF11

Tints, shades & saturation

+40%+30%+20%+10%base -10%-20%-30%-40%

Lighter +40%#DDF5FF

Lighter +30%#AAE7FF

Lighter +20%#77D8FF

Lighter +10%#44CAFF

Darker −10%#009EDD

Darker −20%#0079AA

Darker −30%#005577

Darker −40%#003144

More saturated +25%#11BBFF

Less saturated −25%#2FAEE1

Channel breakdown

R17

G187

B255

Red17 (6.7%)

Green187 (73.3%)

Blue255 (100%)

Hue197.14°

Saturation (HSL)100%

Lightness53.33%

Dominant channelBlue

Hex per channelR 11 · G BB · B FF

Keep nerding

Every link below is a page Nerdulator can generate from what it already knows about this value.

#11BBFF

Colour values

Brightness & contrast

Colour vision & accessibility

Named colours

Colour harmonies

Tints, shades & saturation

Channel breakdown

Keep nerding

Harmonies

Lighter and darker

Similar named colours

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