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Recognised as Colour

#108AA8

  • #108AA8
  • Cyan
  • Dark
  • Nearest: Steel blue

#108AA8 is a cyan with RGB values 16, 138, 168 and HSL 192°, 83%, 36%. It is a dark colour, so black text on it reaches 5.2:1 contrast (AA for normal text). The nearest named colour is Steel blue.

Colour values

#108AA8#108AA8
HEX#108AA8
RGBrgb(16, 138, 168)
RGB (0–1)0.0627, 0.5412, 0.6588
RGB percentages6.3%, 54.1%, 65.9%
HSLhsl(191.8, 82.6%, 36.1%)
HSV / HSBhsv(191.8, 90.5%, 65.9%)
CMYK90.5%, 17.9%, 0%, 34.1%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer1,084,072
CSS custom property--colour: #108AA8;

Brightness & contrast

Relative luminance0.21114WCAG 2.x, 0 is black and 1 is white
Perceived brightness120.3 of 255ITU-R BT.601 weighting
Light or darkDark
Best text colour on this backgroundBlackcontrast 5.22:1
Contrast with white4.02:1WCAG normal text: Fail
Contrast with black5.22:1WCAG normal text: AA
Greyscale equivalent#727272
Inverted#EF7557

Colour vision & accessibility

Normal visionProtanopiaDeuteranopiaTritanopia
Protanopia#7886AAno red cones; affects about 1% of men; ΔE 23.5 from the original
Deuteranopia#6579A8no green cones; the most common form, about 1% of men; ΔE 24.8 from the original
Tritanopia#009494no blue cones; rare, and affects men and women equally; ΔE 19.7 from the original
Distinguishable without hueShifts in lightness toonever rely on hue alone to carry meaning
Contrast with white, large text4.02:1WCAG large text: AA
Contrast with black, large text5.22:1WCAG large text: AAA

Named colours

Steel blue · ΔE 17.3Cadetblue · ΔE 18.8Dark cyan · ΔE 19Teal · ΔE 19.1Light slate grey · ΔE 22Slate grey · ΔE 22.3
Nearest named CSS colourSteel blue (#4682B4)ΔE 17.31, a distinctly different colour
Hue familycyan
CSS keyword usableNo exact keyword

Colour harmonies

base+30°+90°+120°+180°+210°+240°+270°+330°
Complementary#A82E10
Analogous#10A87A, #103EA8
Triadic#A8108A, #8AA810
Split complementary#A8103E, #A87A10
Tetradic#7A10A8, #A82E10, #3EA810

Tints, shades & saturation

+40%+30%+20%+10%base-10%-20%-30%-40%
Lighter +40%#90E0F4
Lighter +30%#61D4F0
Lighter +20%#32C7EC
Lighter +10%#14B0D7
Darker −10%#0C6479
Darker −20%#073D4B
Darker −30%#03171C
Darker −40%#000000
More saturated +25%#0094B8
Less saturated −25%#277C91

Channel breakdown

R16
G138
B168
Red16 (6.3%)
Green138 (54.1%)
Blue168 (65.9%)
Hue191.84°
Saturation (HSL)82.61%
Lightness36.08%
Dominant channelBlue
Hex per channelR 10 · G 8A · B A8

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Every value on this page was computed from “108aa8” by Nerdulator’s colour engine. Nothing here was retrieved from a database of answers or written by a model.