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Recognised as Colour

#55B6DF

  • #55B6DF
  • Cyan
  • Dark
  • Nearest: Light skyblue

#55B6DF is a cyan with RGB values 85, 182, 223 and HSL 198°, 68%, 60%. It is a dark colour, so black text on it reaches 9.1:1 contrast (AAA for normal text). The nearest named colour is Light skyblue.

Colour values

#55B6DF#55B6DF
HEX#55B6DF
RGBrgb(85, 182, 223)
RGB (0–1)0.3333, 0.7137, 0.8745
RGB percentages33.3%, 71.4%, 87.5%
HSLhsl(197.8, 68.3%, 60.4%)
HSV / HSBhsv(197.8, 61.9%, 87.5%)
CMYK61.9%, 18.4%, 0%, 12.5%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer5,617,375
CSS custom property--colour: #55B6DF;

Brightness & contrast

Relative luminance0.40715WCAG 2.x, 0 is black and 1 is white
Perceived brightness165.1 of 255ITU-R BT.601 weighting
Light or darkDark
Best text colour on this backgroundBlackcontrast 9.14:1
Contrast with white2.3:1WCAG normal text: Fail
Contrast with black9.14:1WCAG normal text: AAA
Greyscale equivalent#A4A4A4
Inverted#AA4920

Colour vision & accessibility

Normal visionProtanopiaDeuteranopiaTritanopia
Protanopia#A1B3E1no red cones; affects about 1% of men; ΔE 21.1 from the original
Deuteranopia#8DA5DEno green cones; the most common form, about 1% of men; ΔE 22.1 from the original
Tritanopia#00C2C3no blue cones; rare, and affects men and women equally; ΔE 28.3 from the original
Distinguishable without hueYesnever rely on hue alone to carry meaning
Contrast with white, large text2.3:1WCAG large text: Fail
Contrast with black, large text9.14:1WCAG large text: AAA

Named colours

Light skyblue · ΔE 11.2Sky blue · ΔE 12.2Deep skyblue · ΔE 13.8Steel blue · ΔE 21.6Light steelblue · ΔE 22.2Light blue · ΔE 23.1
Nearest named CSS colourLight skyblue (#87CEFA)ΔE 11.23, a distinctly different colour
Hue familycyan
CSS keyword usableNo exact keyword

Colour harmonies

base+30°+90°+120°+180°+210°+240°+270°+330°
Complementary#DF7E55
Analogous#55DFC3, #5571DF
Triadic#DF55B6, #B6DF55
Split complementary#DF5571, #DFC355
Tetradic#C355DF, #DF7E55, #71DF55

Tints, shades & saturation

+40%+30%+20%+10%base-10%-20%-30%-40%
Lighter +40%#FFFFFF
Lighter +30%#D6EDF7
Lighter +20%#ABDBEF
Lighter +10%#80C8E7
Darker −10%#2AA4D7
Darker −20%#2184AD
Darker −30%#196382
Darker −40%#104258
More saturated +25%#3CC0F8
Less saturated −25%#6EACC6

Channel breakdown

R85
G182
B223
Red85 (33.3%)
Green182 (71.4%)
Blue223 (87.5%)
Hue197.83°
Saturation (HSL)68.32%
Lightness60.39%
Dominant channelBlue
Hex per channelR 55 · G B6 · B DF

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Every value on this page was computed from “55b6df” by Nerdulator’s colour engine. Nothing here was retrieved from a database of answers or written by a model.