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Recognised as Colour

#15BBFC

  • #15BBFC
  • Cyan
  • Dark
  • Nearest: Deep skyblue

#15BBFC is a cyan with RGB values 21, 187, 252 and HSL 197°, 97%, 54%. It is a dark colour, so black text on it reaches 9.5:1 contrast (AAA for normal text). The nearest named colour is Deep skyblue.

Colour values

#15BBFC#15BBFC
HEX#15BBFC
RGBrgb(21, 187, 252)
RGB (0–1)0.0824, 0.7333, 0.9882
RGB percentages8.2%, 73.3%, 98.8%
HSLhsl(196.9, 97.5%, 53.5%)
HSV / HSBhsv(196.9, 91.7%, 98.8%)
CMYK91.7%, 25.8%, 0%, 1.2%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer1,424,380
CSS custom property--colour: #15BBFC;

Brightness & contrast

Relative luminance0.42728WCAG 2.x, 0 is black and 1 is white
Perceived brightness167 of 255ITU-R BT.601 weighting
Light or darkDark
Best text colour on this backgroundBlackcontrast 9.55:1
Contrast with white2.2:1WCAG normal text: Fail
Contrast with black9.55:1WCAG normal text: AAA
Greyscale equivalent#9C9C9C
Inverted#EA4403

Colour vision & accessibility

Normal visionProtanopiaDeuteranopiaTritanopia
Protanopia#9ABAFFno red cones; affects about 1% of men; ΔE 23 from the original
Deuteranopia#7EA6FBno green cones; the most common form, about 1% of men; ΔE 25.8 from the original
Tritanopia#00CCD1no blue cones; rare, and affects men and women equally; ΔE 36.7 from the original
Distinguishable without hueShifts in lightness toonever rely on hue alone to carry meaning
Contrast with white, large text2.2:1WCAG large text: Fail
Contrast with black, large text9.55:1WCAG large text: AAA

Named colours

Deep skyblue · ΔE 2Light skyblue · ΔE 17.3Sky blue · ΔE 22.9Steel blue · ΔE 24.7Cornflower blue · ΔE 27.8Light steelblue · ΔE 32
Nearest named CSS colourDeep skyblue (#00BFFF)ΔE 2.03, below the just-noticeable difference
Hue familycyan
CSS keyword usableNo exact keyword

Colour harmonies

base+30°+90°+120°+180°+210°+240°+270°+330°
Complementary#FC5615
Analogous#15FCC9, #1548FC
Triadic#FC15BB, #BBFC15
Split complementary#FC1548, #FCCA15
Tetradic#C915FC, #FC5615, #48FC15

Tints, shades & saturation

+40%+30%+20%+10%base-10%-20%-30%-40%
Lighter +40%#DEF6FF
Lighter +30%#ACE7FE
Lighter +20%#7AD8FD
Lighter +10%#47CAFD
Darker −10%#039EDB
Darker −20%#027AA9
Darker −30%#025676
Darker −40%#013144
More saturated +25%#12BCFF
Less saturated −25%#33AEDE

Channel breakdown

R21
G187
B252
Red21 (8.2%)
Green187 (73.3%)
Blue252 (98.8%)
Hue196.88°
Saturation (HSL)97.47%
Lightness53.53%
Dominant channelBlue
Hex per channelR 15 · G BB · B FC

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