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Recognised as Colour

#19DBFF

  • #19DBFF
  • Cyan
  • Light
  • Nearest: Sky blue

#19DBFF is a cyan with RGB values 25, 219, 255 and HSL 189°, 100%, 55%. It is a light colour, so black text on it reaches 12.6:1 contrast (AAA for normal text). The nearest named colour is Sky blue.

Colour values

#19DBFF#19DBFF
HEX#19DBFF
RGBrgb(25, 219, 255)
RGB (0–1)0.098, 0.8588, 1
RGB percentages9.8%, 85.9%, 100%
HSLhsl(189.4, 100%, 54.9%)
HSV / HSBhsv(189.4, 90.2%, 100%)
CMYK90.2%, 14.1%, 0%, 0%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer1,694,719
CSS custom property--colour: #19DBFF;

Brightness & contrast

Relative luminance0.5809WCAG 2.x, 0 is black and 1 is white
Perceived brightness189.1 of 255ITU-R BT.601 weighting
Light or darkLight
Best text colour on this backgroundBlackcontrast 12.62:1
Contrast with white1.66:1WCAG normal text: Fail
Contrast with black12.62:1WCAG normal text: AAA
Greyscale equivalent#B4B4B4
Inverted#E62400

Colour vision & accessibility

Protanopia#C2D4FFno red cones; affects about 1% of men; ΔE 35 from the original
Deuteranopia#A7C0FFno green cones; the most common form, about 1% of men; ΔE 37.5 from the original
Tritanopia#00E8E6no blue cones; rare, and affects men and women equally; ΔE 22.8 from the original
Distinguishable without hueShifts in lightness toonever rely on hue alone to carry meaning
Contrast with white, large text1.66:1WCAG large text: Fail
Contrast with black, large text12.62:1WCAG large text: AAA

Named colours

Nearest named CSS colourSky blue (#87CEEB)ΔE 18.37, a distinctly different colour
Hue familycyan
CSS keyword usableNo exact keyword

Colour harmonies

Complementary#FF3D19
Analogous#19FFB0, #1968FF
Triadic#FF19DB, #DBFF19
Split complementary#FF1968, #FFB019
Tetradic#B019FF, #FF3D19, #68FF19

Tints, shades & saturation

Lighter +40%#E5FBFF
Lighter +30%#B2F3FF
Lighter +20%#7FEBFF
Lighter +10%#4CE3FF
Darker −10%#00C1E5
Darker −20%#0096B2
Darker −30%#006B7F
Darker −40%#00404C
More saturated +25%#19DBFF
Less saturated −25%#36C7E2

Channel breakdown

R25
G219
B255
Red25 (9.8%)
Green219 (85.9%)
Blue255 (100%)
Hue189.39°
Saturation (HSL)100%
Lightness54.9%
Dominant channelBlue
Hex per channelR 19 · G DB · B FF

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Every value on this page was computed from “19dbff” by Nerdulator’s colour engine. Nothing here was retrieved from a database of answers or written by a model.