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Recognised as Colour

#3FB3EA

  • #3FB3EA
  • Cyan
  • Dark
  • Nearest: Deep skyblue

#3FB3EA is a cyan with RGB values 63, 179, 234 and HSL 199°, 80%, 58%. It is a dark colour, so black text on it reaches 8.8:1 contrast (AAA for normal text). The nearest named colour is Deep skyblue.

Colour values

#3FB3EA#3FB3EA
HEX#3FB3EA
RGBrgb(63, 179, 234)
RGB (0–1)0.2471, 0.702, 0.9176
RGB percentages24.7%, 70.2%, 91.8%
HSLhsl(199.3, 80.3%, 58.2%)
HSV / HSBhsv(199.3, 73.1%, 91.8%)
CMYK73.1%, 23.5%, 0%, 8.2%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer4,174,826
CSS custom property--colour: #3FB3EA;

Brightness & contrast

Relative luminance0.39237WCAG 2.x, 0 is black and 1 is white
Perceived brightness162 of 255ITU-R BT.601 weighting
Light or darkDark
Best text colour on this backgroundBlackcontrast 8.85:1
Contrast with white2.37:1WCAG normal text: Fail
Contrast with black8.85:1WCAG normal text: AAA
Greyscale equivalent#9E9E9E
Inverted#C04C15

Colour vision & accessibility

Normal visionProtanopiaDeuteranopiaTritanopia
Protanopia#98B1EDno red cones; affects about 1% of men; ΔE 20.9 from the original
Deuteranopia#81A1E9no green cones; the most common form, about 1% of men; ΔE 22.5 from the original
Tritanopia#00C2C6no blue cones; rare, and affects men and women equally; ΔE 33.1 from the original
Distinguishable without hueShifts in lightness toonever rely on hue alone to carry meaning
Contrast with white, large text2.37:1WCAG large text: Fail
Contrast with black, large text8.85:1WCAG large text: AAA

Named colours

Deep skyblue · ΔE 7.5Light skyblue · ΔE 14.1Sky blue · ΔE 18.6Steel blue · ΔE 20Light steelblue · ΔE 27.1Cornflower blue · ΔE 27.9
Nearest named CSS colourDeep skyblue (#00BFFF)ΔE 7.49, clearly different but related
Hue familycyan
CSS keyword usableNo exact keyword

Colour harmonies

base+30°+90°+120°+180°+210°+240°+270°+330°
Complementary#EA763F
Analogous#3FEACB, #3F5EEA
Triadic#EA3FB3, #B3EA3F
Split complementary#EA3F5E, #EACB3F
Tetradic#CB3FEA, #EA763F, #5EEA3F

Tints, shades & saturation

+40%+30%+20%+10%base-10%-20%-30%-40%
Lighter +40%#F7FCFE
Lighter +30%#C9EAF9
Lighter +20%#9BD7F4
Lighter +10%#6DC5EF
Darker −10%#189EDE
Darker −20%#137DB0
Darker −30%#0E5D82
Darker −40%#093C54
More saturated +25%#2ABAFF
Less saturated −25%#5AAACF

Channel breakdown

R63
G179
B234
Red63 (24.7%)
Green179 (70.2%)
Blue234 (91.8%)
Hue199.3°
Saturation (HSL)80.28%
Lightness58.24%
Dominant channelBlue
Hex per channelR 3F · G B3 · B EA

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Every value on this page was computed from “3fb3ea” by Nerdulator’s colour engine. Nothing here was retrieved from a database of answers or written by a model.