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Recognised as Colour

#108BC5

  • #108BC5
  • Cyan
  • Dark
  • Nearest: Steel blue

#108BC5 is a cyan with RGB values 16, 139, 197 and HSL 199°, 85%, 42%. It is a dark colour, so black text on it reaches 5.5:1 contrast (AA for normal text). The nearest named colour is Steel blue.

Colour values

#108BC5#108BC5
HEX#108BC5
RGBrgb(16, 139, 197)
RGB (0–1)0.0627, 0.5451, 0.7725
RGB percentages6.3%, 54.5%, 77.3%
HSLhsl(199.2, 85%, 41.8%)
HSV / HSBhsv(199.2, 91.9%, 77.3%)
CMYK91.9%, 29.4%, 0%, 22.7%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer1,084,357
CSS custom property--colour: #108BC5;

Brightness & contrast

Relative luminance0.22607WCAG 2.x, 0 is black and 1 is white
Perceived brightness125.9 of 255ITU-R BT.601 weighting
Light or darkDark
Best text colour on this backgroundBlackcontrast 5.52:1
Contrast with white3.8:1WCAG normal text: Fail
Contrast with black5.52:1WCAG normal text: AA
Greyscale equivalent#757575
Inverted#EF743A

Colour vision & accessibility

Normal visionProtanopiaDeuteranopiaTritanopia
Protanopia#6F8BC8no red cones; affects about 1% of men; ΔE 16.7 from the original
Deuteranopia#587CC4no green cones; the most common form, about 1% of men; ΔE 18.5 from the original
Tritanopia#009A9Fno blue cones; rare, and affects men and women equally; ΔE 34.3 from the original
Distinguishable without hueShifts in lightness toonever rely on hue alone to carry meaning
Contrast with white, large text3.8:1WCAG large text: AA
Contrast with black, large text5.52:1WCAG large text: AAA

Named colours

Steel blue · ΔE 8.7Deep skyblue · ΔE 20Cornflower blue · ΔE 22.9Light skyblue · ΔE 27Light slate grey · ΔE 28.4Slate grey · ΔE 29
Nearest named CSS colourSteel blue (#4682B4)ΔE 8.69, clearly different but related
Hue familycyan
CSS keyword usableNo exact keyword

Colour harmonies

base+30°+90°+120°+180°+210°+240°+270°+330°
Complementary#C54A10
Analogous#10C5A4, #1031C5
Triadic#C5108B, #8BC510
Split complementary#C51031, #C5A410
Tetradic#A410C5, #C54A10, #31C510

Tints, shades & saturation

+40%+30%+20%+10%base-10%-20%-30%-40%
Lighter +40%#A9DFF8
Lighter +30%#7ACDF4
Lighter +20%#4BBBF0
Lighter +10%#1BAAED
Darker −10%#0C6A96
Darker −20%#084867
Darker −30%#052737
Darker −40%#010608
More saturated +25%#0091D5
Less saturated −25%#2B81AA

Channel breakdown

R16
G139
B197
Red16 (6.3%)
Green139 (54.5%)
Blue197 (77.3%)
Hue199.23°
Saturation (HSL)84.98%
Lightness41.76%
Dominant channelBlue
Hex per channelR 10 · G 8B · B C5

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Every value on this page was computed from “108bc5” by Nerdulator’s colour engine. Nothing here was retrieved from a database of answers or written by a model.