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Colour

#2C3F65

  • #2C3F65
  • Blue
  • Dark
  • Nearest: Dark slate grey

#2C3F65 is a blue with RGB values 44, 63, 101 and HSL 220°, 39%, 28%. It is a dark colour, so white text on it reaches 10.5:1 contrast (AAA for normal text). The nearest named colour is Dark slate grey.

Colour values

#2C3F65#2C3F65
HEX#2C3F65
RGBrgb(44, 63, 101)
RGB (0–1)0.1725, 0.2471, 0.3961
RGB percentages17.3%, 24.7%, 39.6%
HSLhsl(220, 39.3%, 28.4%)
HSV / HSBhsv(220, 56.4%, 39.6%)
CMYK56.4%, 37.6%, 0%, 60.4%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer2,899,813
CSS custom property--colour: #2C3F65;

Brightness & contrast

Relative luminance0.0503WCAG 2.x, 0 is black and 1 is white
Perceived brightness63.8 of 255ITU-R BT.601 weighting
Light or darkDark
Best text colour on this backgroundWhitecontrast 10.47:1
Contrast with white10.47:1WCAG normal text: AAA
Contrast with black2.01:1WCAG normal text: Fail
Greyscale equivalent#3E3E3E
Inverted#D3C09A

Colour vision & accessibility

Normal visionProtanopiaDeuteranopiaTritanopia
Protanopia#304267no red cones; affects about 1% of men; ΔE 1.5 from the original
Deuteranopia#293D64no green cones; the most common form, about 1% of men; ΔE 1.2 from the original
Tritanopia#0E474Dno blue cones; rare, and affects men and women equally; ΔE 25.6 from the original
Distinguishable without hueYesnever rely on hue alone to carry meaning
Contrast with white, large text10.47:1WCAG large text: AAA
Contrast with black, large text2.01:1WCAG large text: Fail

Named colours

Dark slate grey · ΔE 27.1Dark slateblue · ΔE 27.8Steel blue · ΔE 28.2Slate grey · ΔE 30.4Dim grey · ΔE 30.7Light slate grey · ΔE 32.9
Nearest named CSS colourDark slate grey (#2F4F4F)ΔE 27.06, a distinctly different colour
Hue familyblue
CSS keyword usableNo exact keyword

Colour harmonies

base+30°+90°+120°+180°+210°+240°+270°+330°
Complementary#65522C
Analogous#2C5C65, #362C65
Triadic#652C3F, #3F652C
Split complementary#65352C, #5B652C
Tetradic#652C5B, #65522C, #2C6535

Tints, shades & saturation

+40%+30%+20%+10%base-10%-20%-30%-40%
Lighter +40%#8FA4CE
Lighter +30%#6B87BF
Lighter +20%#4B6BAC
Lighter +10%#3B5589
Darker −10%#1D2941
Darker −20%#0D131E
Darker −30%#000000
Darker −40%#000000
More saturated +25%#1A3977
Less saturated −25%#3E4553

Channel breakdown

R44
G63
B101
Red44 (17.3%)
Green63 (24.7%)
Blue101 (39.6%)
Hue220°
Saturation (HSL)39.31%
Lightness28.43%
Dominant channelBlue
Hex per channelR 2C · G 3F · B 65

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Every value on this page was computed from “2c3f65” by Nerdulator’s colour engine. Nothing here was retrieved from a database of answers or written by a model.