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Colour

#2C5491

  • #2C5491
  • Blue
  • Dark
  • Nearest: Dark slateblue

#2C5491 is a blue with RGB values 44, 84, 145 and HSL 216°, 53%, 37%. It is a dark colour, so white text on it reaches 7.5:1 contrast (AAA for normal text). The nearest named colour is Dark slateblue.

Colour values

#2C5491#2C5491
HEX#2C5491
RGBrgb(44, 84, 145)
RGB (0–1)0.1725, 0.3294, 0.5686
RGB percentages17.3%, 32.9%, 56.9%
HSLhsl(216.2, 53.4%, 37.1%)
HSV / HSBhsv(216.2, 69.7%, 56.9%)
CMYK69.7%, 42.1%, 0%, 43.1%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer2,905,233
CSS custom property--colour: #2C5491;

Brightness & contrast

Relative luminance0.0892WCAG 2.x, 0 is black and 1 is white
Perceived brightness84.4 of 255ITU-R BT.601 weighting
Light or darkDark
Best text colour on this backgroundWhitecontrast 7.54:1
Contrast with white7.54:1WCAG normal text: AAA
Contrast with black2.78:1WCAG normal text: Fail
Greyscale equivalent#505050
Inverted#D3AB6E

Colour vision & accessibility

Normal visionProtanopiaDeuteranopiaTritanopia
Protanopia#385993no red cones; affects about 1% of men; ΔE 3.2 from the original
Deuteranopia#285090no green cones; the most common form, about 1% of men; ΔE 2.7 from the original
Tritanopia#00626Bno blue cones; rare, and affects men and women equally; ΔE 38 from the original
Distinguishable without hueYesnever rely on hue alone to carry meaning
Contrast with white, large text7.54:1WCAG large text: AAA
Contrast with black, large text2.78:1WCAG large text: Fail

Named colours

Dark slateblue · ΔE 20Steel blue · ΔE 20.9Cornflower blue · ΔE 28.6Slate grey · ΔE 33.5Midnight blue · ΔE 33.8Light slate grey · ΔE 34.7
Nearest named CSS colourDark slateblue (#483D8B)ΔE 20.01, a distinctly different colour
Hue familyblue
CSS keyword usableNo exact keyword

Colour harmonies

base+30°+90°+120°+180°+210°+240°+270°+330°
Complementary#91692C
Analogous#2C8791, #362C91
Triadic#912C54, #54912C
Split complementary#91372C, #87912C
Tetradic#912C87, #91692C, #2C9137

Tints, shades & saturation

+40%+30%+20%+10%base-10%-20%-30%-40%
Lighter +40%#A5BEE4
Lighter +30%#7EA2D8
Lighter +20%#5785CC
Lighter +10%#386BB8
Darker −10%#203D6A
Darker −20%#142743
Darker −30%#08101C
Darker −40%#000000
More saturated +25%#144FA9
Less saturated −25%#445979

Channel breakdown

R44
G84
B145
Red44 (17.3%)
Green84 (32.9%)
Blue145 (56.9%)
Hue216.24°
Saturation (HSL)53.44%
Lightness37.06%
Dominant channelBlue
Hex per channelR 2C · G 54 · B 91

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Every value on this page was computed from “2c5491” by Nerdulator’s colour engine. Nothing here was retrieved from a database of answers or written by a model.