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Colour

#83B4BB

  • #83B4BB
  • Cyan
  • Dark
  • Nearest: Cadetblue

#83B4BB is a cyan with RGB values 131, 180, 187 and HSL 187°, 29%, 62%. It is a dark colour, so black text on it reaches 9.2:1 contrast (AAA for normal text). The nearest named colour is Cadetblue.

Colour values

#83B4BB#83B4BB
HEX#83B4BB
RGBrgb(131, 180, 187)
RGB (0–1)0.5137, 0.7059, 0.7333
RGB percentages51.4%, 70.6%, 73.3%
HSLhsl(187.5, 29.2%, 62.4%)
HSV / HSBhsv(187.5, 29.9%, 73.3%)
CMYK29.9%, 3.7%, 0%, 26.7%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer8,631,483
CSS custom property--colour: #83B4BB;

Brightness & contrast

Relative luminance0.41056WCAG 2.x, 0 is black and 1 is white
Perceived brightness167.7 of 255ITU-R BT.601 weighting
Light or darkDark
Best text colour on this backgroundBlackcontrast 9.21:1
Contrast with white2.28:1WCAG normal text: Fail
Contrast with black9.21:1WCAG normal text: AAA
Greyscale equivalent#AAAAAA
Inverted#7C4B44

Colour vision & accessibility

Normal visionProtanopiaDeuteranopiaTritanopia
Protanopia#ACB0BCno red cones; affects about 1% of men; ΔE 15.6 from the original
Deuteranopia#A2A8BBno green cones; the most common form, about 1% of men; ΔE 16.3 from the original
Tritanopia#70B8B6no blue cones; rare, and affects men and women equally; ΔE 8.9 from the original
Distinguishable without hueYesnever rely on hue alone to carry meaning
Contrast with white, large text2.28:1WCAG large text: Fail
Contrast with black, large text9.21:1WCAG large text: AAA

Named colours

Cadetblue · ΔE 10.6Light blue · ΔE 14.3Sky blue · ΔE 15.4Powder blue · ΔE 15.9Light steelblue · ΔE 16.8Dark grey · ΔE 16.9
Nearest named CSS colourCadetblue (#5F9EA0)ΔE 10.56, a distinctly different colour
Hue familycyan
CSS keyword usableNo exact keyword

Colour harmonies

base+30°+90°+120°+180°+210°+240°+270°+330°
Complementary#BB8A83
Analogous#83BBA6, #8398BB
Triadic#BB83B4, #B4BB83
Split complementary#BB8398, #BBA683
Tetradic#A683BB, #BB8A83, #98BB83

Tints, shades & saturation

+40%+30%+20%+10%base-10%-20%-30%-40%
Lighter +40%#FFFFFF
Lighter +30%#E6F0F1
Lighter +20%#C5DCDF
Lighter +10%#A4C8CD
Darker −10%#62A0A9
Darker −20%#4D848C
Darker −30%#3A656B
Darker −40%#28454A
More saturated +25%#6BC6D3
Less saturated −25%#9BA2A3

Channel breakdown

R131
G180
B187
Red131 (51.4%)
Green180 (70.6%)
Blue187 (73.3%)
Hue187.5°
Saturation (HSL)29.17%
Lightness62.35%
Dominant channelBlue
Hex per channelR 83 · G B4 · B BB

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Every value on this page was computed from “83b4bb” by Nerdulator’s colour engine. Nothing here was retrieved from a database of answers or written by a model.