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Colour

#2C18B6

  • #2C18B6
  • Blue
  • Dark
  • Nearest: Dark blue

#2C18B6 is a blue with RGB values 44, 24, 182 and HSL 248°, 77%, 40%. It is a dark colour, so white text on it reaches 11:1 contrast (AAA for normal text). The nearest named colour is Dark blue.

Colour values

#2C18B6#2C18B6
HEX#2C18B6
RGBrgb(44, 24, 182)
RGB (0–1)0.1725, 0.0941, 0.7137
RGB percentages17.3%, 9.4%, 71.4%
HSLhsl(247.6, 76.7%, 40.4%)
HSV / HSBhsv(247.6, 86.8%, 71.4%)
CMYK75.8%, 86.8%, 0%, 28.6%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer2,889,910
CSS custom property--colour: #2C18B6;

Brightness & contrast

Relative luminance0.04566WCAG 2.x, 0 is black and 1 is white
Perceived brightness68.5 of 255ITU-R BT.601 weighting
Light or darkDark
Best text colour on this backgroundWhitecontrast 10.98:1
Contrast with white10.98:1WCAG normal text: AAA
Contrast with black1.91:1WCAG normal text: Fail
Greyscale equivalent#282828
Inverted#D3E749

Colour vision & accessibility

Normal visionProtanopiaDeuteranopiaTritanopia
Protanopia#0043BAno red cones; affects about 1% of men; ΔE 27.6 from the original
Deuteranopia#0035B3no green cones; the most common form, about 1% of men; ΔE 19.8 from the original
Tritanopia#004E6Cno blue cones; rare, and affects men and women equally; ΔE 84.3 from the original
Distinguishable without hueShifts in lightness toonever rely on hue alone to carry meaning
Contrast with white, large text10.98:1WCAG large text: AAA
Contrast with black, large text1.91:1WCAG large text: Fail

Named colours

Dark blue · ΔE 14.6Medium blue · ΔE 18.4Navy · ΔE 19.4Blue violet · ΔE 22Indigo · ΔE 24.6Dark violet · ΔE 25.8
Nearest named CSS colourDark blue (#00008B)ΔE 14.62, a distinctly different colour
Hue familyblue
CSS keyword usableNo exact keyword

Colour harmonies

base+30°+90°+120°+180°+210°+240°+270°+330°
Complementary#A2B618
Analogous#1853B6, #7B18B6
Triadic#B62C18, #18B62C
Split complementary#B67B18, #53B618
Tetradic#B61853, #A2B618, #18B67B

Tints, shades & saturation

+40%+30%+20%+10%base-10%-20%-30%-40%
Lighter +40%#B0A7F3
Lighter +30%#887AED
Lighter +20%#604DE7
Lighter +10%#381FE2
Darker −10%#211289
Darker −20%#160C5C
Darker −30%#0B062F
Darker −40%#000002
More saturated +25%#1A00CE
Less saturated −25%#3F329C

Channel breakdown

R44
G24
B182
Red44 (17.3%)
Green24 (9.4%)
Blue182 (71.4%)
Hue247.59°
Saturation (HSL)76.7%
Lightness40.39%
Dominant channelBlue
Hex per channelR 2C · G 18 · B B6

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Every value on this page was computed from “2c18b6” by Nerdulator’s colour engine. Nothing here was retrieved from a database of answers or written by a model.