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Recognised as Colour

#65BCDF

  • #65BCDF
  • Cyan
  • Dark
  • Nearest: Sky blue

#65BCDF is a cyan with RGB values 101, 188, 223 and HSL 197°, 66%, 64%. It is a dark colour, so black text on it reaches 9.8:1 contrast (AAA for normal text). The nearest named colour is Sky blue.

Colour values

#65BCDF#65BCDF
HEX#65BCDF
RGBrgb(101, 188, 223)
RGB (0–1)0.3961, 0.7373, 0.8745
RGB percentages39.6%, 73.7%, 87.5%
HSLhsl(197.2, 65.6%, 63.5%)
HSV / HSBhsv(197.2, 54.7%, 87.5%)
CMYK54.7%, 15.7%, 0%, 12.5%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer6,667,487
CSS custom property--colour: #65BCDF;

Brightness & contrast

Relative luminance0.44061WCAG 2.x, 0 is black and 1 is white
Perceived brightness171.7 of 255ITU-R BT.601 weighting
Light or darkDark
Best text colour on this backgroundBlackcontrast 9.81:1
Contrast with white2.14:1WCAG normal text: Fail
Contrast with black9.81:1WCAG normal text: AAA
Greyscale equivalent#ACACAC
Inverted#9A4320

Colour vision & accessibility

Normal visionProtanopiaDeuteranopiaTritanopia
Protanopia#A9B9E1no red cones; affects about 1% of men; ΔE 20.2 from the original
Deuteranopia#98ABDFno green cones; the most common form, about 1% of men; ΔE 22.2 from the original
Tritanopia#00C6C7no blue cones; rare, and affects men and women equally; ΔE 26.6 from the original
Distinguishable without hueYesnever rely on hue alone to carry meaning
Contrast with white, large text2.14:1WCAG large text: Fail
Contrast with black, large text9.81:1WCAG large text: AAA

Named colours

Sky blue · ΔE 8.3Light skyblue · ΔE 9.8Deep skyblue · ΔE 17.1Light blue · ΔE 19Light steelblue · ΔE 19.4Cadetblue · ΔE 21.5
Nearest named CSS colourSky blue (#87CEEB)ΔE 8.3, clearly different but related
Hue familycyan
CSS keyword usableNo exact keyword

Colour harmonies

base+30°+90°+120°+180°+210°+240°+270°+330°
Complementary#DF8865
Analogous#65DFC5, #657FDF
Triadic#DF65BC, #BCDF65
Split complementary#DF657F, #DFC565
Tetradic#C565DF, #DF8865, #7FDF65

Tints, shades & saturation

+40%+30%+20%+10%base-10%-20%-30%-40%
Lighter +40%#FFFFFF
Lighter +30%#E4F3F9
Lighter +20%#B9E1F1
Lighter +10%#8FCEE8
Darker −10%#3BAAD6
Darker −20%#268EB8
Darker −30%#1D6D8E
Darker −40%#154D63
More saturated +25%#4EC6F6
Less saturated −25%#7CB2C8

Channel breakdown

R101
G188
B223
Red101 (39.6%)
Green188 (73.7%)
Blue223 (87.5%)
Hue197.21°
Saturation (HSL)65.59%
Lightness63.53%
Dominant channelBlue
Hex per channelR 65 · G BC · B DF

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Every value on this page was computed from “65bcdf” by Nerdulator’s colour engine. Nothing here was retrieved from a database of answers or written by a model.