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Recognised as Colour

#2C4EAA

  • #2C4EAA
  • Blue
  • Dark
  • Nearest: Dark slateblue

#2C4EAA is a blue with RGB values 44, 78, 170 and HSL 224°, 59%, 42%. It is a dark colour, so white text on it reaches 7.6:1 contrast (AAA for normal text). The nearest named colour is Dark slateblue.

Colour values

#2C4EAA#2C4EAA
HEX#2C4EAA
RGBrgb(44, 78, 170)
RGB (0–1)0.1725, 0.3059, 0.6667
RGB percentages17.3%, 30.6%, 66.7%
HSLhsl(223.8, 58.9%, 42%)
HSV / HSBhsv(223.8, 74.1%, 66.7%)
CMYK74.1%, 54.1%, 0%, 33.3%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer2,903,722
CSS custom property--colour: #2C4EAA;

Brightness & contrast

Relative luminance0.08887WCAG 2.x, 0 is black and 1 is white
Perceived brightness86.3 of 255ITU-R BT.601 weighting
Light or darkDark
Best text colour on this backgroundWhitecontrast 7.56:1
Contrast with white7.56:1WCAG normal text: AAA
Contrast with black2.78:1WCAG normal text: Fail
Greyscale equivalent#4D4D4D
Inverted#D3B155

Colour vision & accessibility

Normal visionProtanopiaDeuteranopiaTritanopia
Protanopia#065AADno red cones; affects about 1% of men; ΔE 10.6 from the original
Deuteranopia#004FA8no green cones; the most common form, about 1% of men; ΔE 5 from the original
Tritanopia#006474no blue cones; rare, and affects men and women equally; ΔE 53.9 from the original
Distinguishable without hueShifts in lightness toonever rely on hue alone to carry meaning
Contrast with white, large text7.56:1WCAG large text: AAA
Contrast with black, large text2.78:1WCAG large text: Fail

Named colours

Dark slateblue · ΔE 13.1Royal blue · ΔE 18.1Slate blue · ΔE 18.7Midnight blue · ΔE 23Rebecca purple · ΔE 23.1Medium purple · ΔE 25.3
Nearest named CSS colourDark slateblue (#483D8B)ΔE 13.12, a distinctly different colour
Hue familyblue
CSS keyword usableNo exact keyword

Colour harmonies

base+30°+90°+120°+180°+210°+240°+270°+330°
Complementary#AA882C
Analogous#2C8DAA, #492CAA
Triadic#AA2C4E, #4EAA2C
Split complementary#AA492C, #8DAA2C
Tetradic#AA2C8D, #AA882C, #2CAA49

Tints, shades & saturation

+40%+30%+20%+10%base-10%-20%-30%-40%
Lighter +40%#B6C5EC
Lighter +30%#8DA4E2
Lighter +20%#6584D7
Lighter +10%#3C63CD
Darker −10%#223B81
Darker −20%#172959
Darker −30%#0D1630
Darker −40%#020408
More saturated +25%#1142C5
Less saturated −25%#475A8F

Channel breakdown

R44
G78
B170
Red44 (17.3%)
Green78 (30.6%)
Blue170 (66.7%)
Hue223.81°
Saturation (HSL)58.88%
Lightness41.96%
Dominant channelBlue
Hex per channelR 2C · G 4E · B AA

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Every value on this page was computed from “2c4eaa” by Nerdulator’s colour engine. Nothing here was retrieved from a database of answers or written by a model.