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Recognised as Colour

#15DBFB

  • #15DBFB
  • Cyan
  • Light
  • Nearest: Dark turquoise

#15DBFB is a cyan with RGB values 21, 219, 251 and HSL 188°, 97%, 53%. It is a light colour, so black text on it reaches 12.6:1 contrast (AAA for normal text). The nearest named colour is Dark turquoise.

Colour values

#15DBFB#15DBFB
HEX#15DBFB
RGBrgb(21, 219, 251)
RGB (0–1)0.0824, 0.8588, 0.9843
RGB percentages8.2%, 85.9%, 98.4%
HSLhsl(188.3, 96.6%, 53.3%)
HSV / HSBhsv(188.3, 91.6%, 98.4%)
CMYK91.6%, 12.7%, 0%, 1.6%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer1,432,571
CSS custom property--colour: #15DBFB;

Brightness & contrast

Relative luminance0.57787WCAG 2.x, 0 is black and 1 is white
Perceived brightness188.3 of 255ITU-R BT.601 weighting
Light or darkLight
Best text colour on this backgroundBlackcontrast 12.56:1
Contrast with white1.67:1WCAG normal text: Fail
Contrast with black12.56:1WCAG normal text: AAA
Greyscale equivalent#B3B3B3
Inverted#EA2404

Colour vision & accessibility

Normal visionProtanopiaDeuteranopiaTritanopia
Protanopia#C4D3FDno red cones; affects about 1% of men; ΔE 36.9 from the original
Deuteranopia#A8C0FBno green cones; the most common form, about 1% of men; ΔE 38.2 from the original
Tritanopia#00E7E5no blue cones; rare, and affects men and women equally; ΔE 20.4 from the original
Distinguishable without hueShifts in lightness toonever rely on hue alone to carry meaning
Contrast with white, large text1.67:1WCAG large text: Fail
Contrast with black, large text12.56:1WCAG large text: AAA

Named colours

Dark turquoise · ΔE 17.1Sky blue · ΔE 18.9Medium turquoise · ΔE 20.5Light skyblue · ΔE 21.7Deep skyblue · ΔE 22.3Aqua · ΔE 23.3
Nearest named CSS colourDark turquoise (#00CED1)ΔE 17.11, a distinctly different colour
Hue familycyan
CSS keyword usableNo exact keyword

Colour harmonies

base+30°+90°+120°+180°+210°+240°+270°+330°
Complementary#FB3515
Analogous#15FBA8, #1568FB
Triadic#FB15DB, #DBFB15
Split complementary#FB1568, #FBA815
Tetradic#A815FB, #FB3515, #68FB15

Tints, shades & saturation

+40%+30%+20%+10%base-10%-20%-30%-40%
Lighter +40%#DEFAFE
Lighter +30%#ABF2FE
Lighter +20%#79EAFD
Lighter +10%#47E3FC
Darker −10%#04BCD9
Darker −20%#0390A7
Darker −30%#026575
Darker −40%#013A43
More saturated +25%#11DEFF
Less saturated −25%#33C6DD

Channel breakdown

R21
G219
B251
Red21 (8.2%)
Green219 (85.9%)
Blue251 (98.4%)
Hue188.35°
Saturation (HSL)96.64%
Lightness53.33%
Dominant channelBlue
Hex per channelR 15 · G DB · B FB

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Every value on this page was computed from “15dbfb” by Nerdulator’s colour engine. Nothing here was retrieved from a database of answers or written by a model.