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Recognised as Colour

#17D3F7

  • #17D3F7
  • Cyan
  • Light
  • Nearest: Sky blue

#17D3F7 is a cyan with RGB values 23, 211, 247 and HSL 190°, 93%, 53%. It is a light colour, so black text on it reaches 11.7:1 contrast (AAA for normal text). The nearest named colour is Sky blue.

Colour values

#17D3F7#17D3F7
HEX#17D3F7
RGBrgb(23, 211, 247)
RGB (0–1)0.0902, 0.8275, 0.9686
RGB percentages9%, 82.7%, 96.9%
HSLhsl(189.6, 93.3%, 52.9%)
HSV / HSBhsv(189.6, 90.7%, 96.9%)
CMYK90.7%, 14.6%, 0%, 3.1%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer1,561,591
CSS custom property--colour: #17D3F7;

Brightness & contrast

Relative luminance0.53486WCAG 2.x, 0 is black and 1 is white
Perceived brightness182.3 of 255ITU-R BT.601 weighting
Light or darkLight
Best text colour on this backgroundBlackcontrast 11.7:1
Contrast with white1.8:1WCAG normal text: Fail
Contrast with black11.7:1WCAG normal text: AAA
Greyscale equivalent#AEAEAE
Inverted#E82C08

Colour vision & accessibility

Normal visionProtanopiaDeuteranopiaTritanopia
Protanopia#BBCCF9no red cones; affects about 1% of men; ΔE 34.4 from the original
Deuteranopia#A0B9F7no green cones; the most common form, about 1% of men; ΔE 36.2 from the original
Tritanopia#00E0DEno blue cones; rare, and affects men and women equally; ΔE 23 from the original
Distinguishable without hueShifts in lightness toonever rely on hue alone to carry meaning
Contrast with white, large text1.8:1WCAG large text: Fail
Contrast with black, large text11.7:1WCAG large text: AAA

Named colours

Sky blue · ΔE 17.2Deep skyblue · ΔE 18.7Light skyblue · ΔE 19.1Dark turquoise · ΔE 19.2Medium turquoise · ΔE 22.5Light blue · ΔE 26.8
Nearest named CSS colourSky blue (#87CEEB)ΔE 17.15, a distinctly different colour
Hue familycyan
CSS keyword usableNo exact keyword

Colour harmonies

base+30°+90°+120°+180°+210°+240°+270°+330°
Complementary#F73B17
Analogous#17F7AB, #1763F7
Triadic#F717D3, #D3F717
Split complementary#F71763, #F7AB17
Tetradic#AB17F7, #F73B17, #63F717

Tints, shades & saturation

+40%+30%+20%+10%base-10%-20%-30%-40%
Lighter +40%#DCF8FE
Lighter +30%#ABEFFC
Lighter +20%#7AE6FA
Lighter +10%#48DCF9
Darker −10%#07B3D4
Darker −20%#0689A2
Darker −30%#046071
Darker −40%#023640
More saturated +25%#0FD8FF
Less saturated −25%#35BFD9

Channel breakdown

R23
G211
B247
Red23 (9%)
Green211 (82.7%)
Blue247 (96.9%)
Hue189.64°
Saturation (HSL)93.33%
Lightness52.94%
Dominant channelBlue
Hex per channelR 17 · G D3 · B F7

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Every value on this page was computed from “17d3f7” by Nerdulator’s colour engine. Nothing here was retrieved from a database of answers or written by a model.