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Recognised as Colour

#16648C

  • #16648C
  • Blue
  • Dark
  • Nearest: Steel blue

#16648C is a blue with RGB values 22, 100, 140 and HSL 200°, 73%, 32%. It is a dark colour, so white text on it reaches 6.5:1 contrast (AA for normal text). The nearest named colour is Steel blue.

Colour values

#16648C#16648C
HEX#16648C
RGBrgb(22, 100, 140)
RGB (0–1)0.0863, 0.3922, 0.549
RGB percentages8.6%, 39.2%, 54.9%
HSLhsl(200.3, 72.8%, 31.8%)
HSV / HSBhsv(200.3, 84.3%, 54.9%)
CMYK84.3%, 28.6%, 0%, 45.1%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer1,467,532
CSS custom property--colour: #16648C;

Brightness & contrast

Relative luminance0.11178WCAG 2.x, 0 is black and 1 is white
Perceived brightness90.8 of 255ITU-R BT.601 weighting
Light or darkDark
Best text colour on this backgroundWhitecontrast 6.49:1
Contrast with white6.49:1WCAG normal text: AA
Contrast with black3.24:1WCAG normal text: Fail
Greyscale equivalent#565656
Inverted#E99B73

Colour vision & accessibility

Normal visionProtanopiaDeuteranopiaTritanopia
Protanopia#51648Eno red cones; affects about 1% of men; ΔE 12.9 from the original
Deuteranopia#41598Bno green cones; the most common form, about 1% of men; ΔE 14.2 from the original
Tritanopia#006E72no blue cones; rare, and affects men and women equally; ΔE 25.1 from the original
Distinguishable without hueShifts in lightness toonever rely on hue alone to carry meaning
Contrast with white, large text6.49:1WCAG large text: AAA
Contrast with black, large text3.24:1WCAG large text: AA

Named colours

Steel blue · ΔE 13.7Slate grey · ΔE 22.8Light slate grey · ΔE 24.3Dark slate grey · ΔE 26.5Dim grey · ΔE 29.9Teal · ΔE 30.2
Nearest named CSS colourSteel blue (#4682B4)ΔE 13.66, a distinctly different colour
Hue familyblue
CSS keyword usableNo exact keyword

Colour harmonies

base+30°+90°+120°+180°+210°+240°+270°+330°
Complementary#8C3E16
Analogous#168C79, #16298C
Triadic#8C1664, #648C16
Split complementary#8C1629, #8C7916
Tetradic#79168C, #8C3E16, #298C16

Tints, shades & saturation

+40%+30%+20%+10%base-10%-20%-30%-40%
Lighter +40%#83C8EB
Lighter +30%#56B4E5
Lighter +20%#2AA1DE
Lighter +10%#1D83B8
Darker −10%#0F4560
Darker −20%#082534
Darker −30%#010608
Darker −40%#000000
More saturated +25%#026BA0
Less saturated −25%#2A5D78

Channel breakdown

R22
G100
B140
Red22 (8.6%)
Green100 (39.2%)
Blue140 (54.9%)
Hue200.34°
Saturation (HSL)72.84%
Lightness31.76%
Dominant channelBlue
Hex per channelR 16 · G 64 · B 8C

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Every value on this page was computed from “16648c” by Nerdulator’s colour engine. Nothing here was retrieved from a database of answers or written by a model.