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Recognised as Colour

#83B1BB

  • #83B1BB
  • Cyan
  • Dark
  • Nearest: Cadetblue

#83B1BB is a cyan with RGB values 131, 177, 187 and HSL 191°, 29%, 62%. It is a dark colour, so black text on it reaches 9:1 contrast (AAA for normal text). The nearest named colour is Cadetblue.

Colour values

#83B1BB#83B1BB
HEX#83B1BB
RGBrgb(131, 177, 187)
RGB (0–1)0.5137, 0.6941, 0.7333
RGB percentages51.4%, 69.4%, 73.3%
HSLhsl(190.7, 29.2%, 62.4%)
HSV / HSBhsv(190.7, 29.9%, 73.3%)
CMYK29.9%, 5.3%, 0%, 26.7%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer8,630,715
CSS custom property--colour: #83B1BB;

Brightness & contrast

Relative luminance0.39857WCAG 2.x, 0 is black and 1 is white
Perceived brightness165.9 of 255ITU-R BT.601 weighting
Light or darkDark
Best text colour on this backgroundBlackcontrast 8.97:1
Contrast with white2.34:1WCAG normal text: Fail
Contrast with black8.97:1WCAG normal text: AAA
Greyscale equivalent#A8A8A8
Inverted#7C4E44

Colour vision & accessibility

Normal visionProtanopiaDeuteranopiaTritanopia
Protanopia#A9AEBCno red cones; affects about 1% of men; ΔE 14.2 from the original
Deuteranopia#9FA6BBno green cones; the most common form, about 1% of men; ΔE 14.9 from the original
Tritanopia#70B5B4no blue cones; rare, and affects men and women equally; ΔE 9.8 from the original
Distinguishable without hueYesnever rely on hue alone to carry meaning
Contrast with white, large text2.34:1WCAG large text: Fail
Contrast with black, large text8.97:1WCAG large text: AAA

Named colours

Cadetblue · ΔE 11Light blue · ΔE 14.6Sky blue · ΔE 15.1Light steelblue · ΔE 15.6Dark grey · ΔE 16.3Powder blue · ΔE 16.9
Nearest named CSS colourCadetblue (#5F9EA0)ΔE 11, a distinctly different colour
Hue familycyan
CSS keyword usableNo exact keyword

Colour harmonies

base+30°+90°+120°+180°+210°+240°+270°+330°
Complementary#BB8D83
Analogous#83BBA9, #8395BB
Triadic#BB83B1, #B1BB83
Split complementary#BB8395, #BBA983
Tetradic#A983BB, #BB8D83, #95BB83

Tints, shades & saturation

+40%+30%+20%+10%base-10%-20%-30%-40%
Lighter +40%#FFFFFF
Lighter +30%#E6EFF1
Lighter +20%#C5DADF
Lighter +10%#A4C6CD
Darker −10%#629CA9
Darker −20%#4D808C
Darker −30%#3A626B
Darker −40%#28444A
More saturated +25%#6BC0D3
Less saturated −25%#9BA2A3

Channel breakdown

R131
G177
B187
Red131 (51.4%)
Green177 (69.4%)
Blue187 (73.3%)
Hue190.71°
Saturation (HSL)29.17%
Lightness62.35%
Dominant channelBlue
Hex per channelR 83 · G B1 · B BB

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Every value on this page was computed from “83b1bb” by Nerdulator’s colour engine. Nothing here was retrieved from a database of answers or written by a model.