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Colour

#2C3666

  • #2C3666
  • Blue
  • Dark
  • Nearest: Dark slateblue

#2C3666 is a blue with RGB values 44, 54, 102 and HSL 230°, 40%, 29%. It is a dark colour, so white text on it reaches 11.5:1 contrast (AAA for normal text). The nearest named colour is Dark slateblue.

Colour values

#2C3666#2C3666
HEX#2C3666
RGBrgb(44, 54, 102)
RGB (0–1)0.1725, 0.2118, 0.4
RGB percentages17.3%, 21.2%, 40%
HSLhsl(229.7, 39.7%, 28.6%)
HSV / HSBhsv(229.7, 56.9%, 40%)
CMYK56.9%, 47.1%, 0%, 60%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer2,897,510
CSS custom property--colour: #2C3666;

Brightness & contrast

Relative luminance0.04133WCAG 2.x, 0 is black and 1 is white
Perceived brightness59 of 255ITU-R BT.601 weighting
Light or darkDark
Best text colour on this backgroundWhitecontrast 11.5:1
Contrast with white11.5:1WCAG normal text: AAA
Contrast with black1.83:1WCAG normal text: Fail
Greyscale equivalent#373737
Inverted#D3C999

Colour vision & accessibility

Normal visionProtanopiaDeuteranopiaTritanopia
Protanopia#213C68no red cones; affects about 1% of men; ΔE 6.1 from the original
Deuteranopia#1B3765no green cones; the most common form, about 1% of men; ΔE 4.8 from the original
Tritanopia#104049no blue cones; rare, and affects men and women equally; ΔE 30.7 from the original
Distinguishable without hueYesnever rely on hue alone to carry meaning
Contrast with white, large text11.5:1WCAG large text: AAA
Contrast with black, large text1.83:1WCAG large text: Fail

Named colours

Dark slateblue · ΔE 20.4Midnight blue · ΔE 29.7Steel blue · ΔE 32.4Dark slate grey · ΔE 35.4Slate grey · ΔE 37Rebecca purple · ΔE 37.1
Nearest named CSS colourDark slateblue (#483D8B)ΔE 20.39, a distinctly different colour
Hue familyblue
CSS keyword usableNo exact keyword

Colour harmonies

base+30°+90°+120°+180°+210°+240°+270°+330°
Complementary#665C2C
Analogous#2C5366, #3F2C66
Triadic#662C36, #36662C
Split complementary#663F2C, #53662C
Tetradic#662C53, #665C2C, #2C663F

Tints, shades & saturation

+40%+30%+20%+10%base-10%-20%-30%-40%
Lighter +40%#8F9ACF
Lighter +30%#6C7ABF
Lighter +20%#4B5CAD
Lighter +10%#3B498A
Darker −10%#1D2342
Darker −20%#0D101F
Darker −30%#000000
Darker −40%#000000
More saturated +25%#1A2A78
Less saturated −25%#3E4254

Channel breakdown

R44
G54
B102
Red44 (17.3%)
Green54 (21.2%)
Blue102 (40%)
Hue229.66°
Saturation (HSL)39.73%
Lightness28.63%
Dominant channelBlue
Hex per channelR 2C · G 36 · B 66

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Every value on this page was computed from “2c3666” by Nerdulator’s colour engine. Nothing here was retrieved from a database of answers or written by a model.