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Recognised as Colour

#163C53

  • #163C53
  • Blue
  • Dark
  • Nearest: Dark slate grey

#163C53 is a blue with RGB values 22, 60, 83 and HSL 203°, 58%, 21%. It is a dark colour, so white text on it reaches 11.6:1 contrast (AAA for normal text). The nearest named colour is Dark slate grey.

Colour values

#163C53#163C53
HEX#163C53
RGBrgb(22, 60, 83)
RGB (0–1)0.0863, 0.2353, 0.3255
RGB percentages8.6%, 23.5%, 32.5%
HSLhsl(202.6, 58.1%, 20.6%)
HSV / HSBhsv(202.6, 73.5%, 32.5%)
CMYK73.5%, 27.7%, 0%, 67.5%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer1,457,235
CSS custom property--colour: #163C53;

Brightness & contrast

Relative luminance0.04027WCAG 2.x, 0 is black and 1 is white
Perceived brightness55.2 of 255ITU-R BT.601 weighting
Light or darkDark
Best text colour on this backgroundWhitecontrast 11.63:1
Contrast with white11.63:1WCAG normal text: AAA
Contrast with black1.81:1WCAG normal text: Fail
Greyscale equivalent#363636
Inverted#E9C3AC

Colour vision & accessibility

Normal visionProtanopiaDeuteranopiaTritanopia
Protanopia#313C54no red cones; affects about 1% of men; ΔE 7.8 from the original
Deuteranopia#293653no green cones; the most common form, about 1% of men; ΔE 8.9 from the original
Tritanopia#004244no blue cones; rare, and affects men and women equally; ΔE 16.9 from the original
Distinguishable without hueYesnever rely on hue alone to carry meaning
Contrast with white, large text11.63:1WCAG large text: AAA
Contrast with black, large text1.81:1WCAG large text: Fail

Named colours

Dark slate grey · ΔE 17.4Dim grey · ΔE 27.7Slate grey · ΔE 30.1Black · ΔE 30.1Steel blue · ΔE 32.1Light slate grey · ΔE 33
Nearest named CSS colourDark slate grey (#2F4F4F)ΔE 17.37, a distinctly different colour
Hue familyblue
CSS keyword usableNo exact keyword

Colour harmonies

base+30°+90°+120°+180°+210°+240°+270°+330°
Complementary#532D16
Analogous#16534C, #161D53
Triadic#53163C, #3C5316
Split complementary#53161D, #534C16
Tetradic#4C1653, #532D16, #1D5316

Tints, shades & saturation

+40%+30%+20%+10%base-10%-20%-30%-40%
Lighter +40%#60A9D5
Lighter +30%#3893CA
Lighter +20%#2B76A4
Lighter +10%#21597B
Darker −10%#0B1F2B
Darker −20%#010202
Darker −30%#000000
Darker −40%#000000
More saturated +25%#093F60
Less saturated −25%#233946

Channel breakdown

R22
G60
B83
Red22 (8.6%)
Green60 (23.5%)
Blue83 (32.5%)
Hue202.62°
Saturation (HSL)58.1%
Lightness20.59%
Dominant channelBlue
Hex per channelR 16 · G 3C · B 53

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Every value on this page was computed from “163c53” by Nerdulator’s colour engine. Nothing here was retrieved from a database of answers or written by a model.