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Colour

#3C3980

  • #3C3980
  • Blue
  • Dark
  • Nearest: Dark slateblue

#3C3980 is a blue with RGB values 60, 57, 128 and HSL 243°, 38%, 36%. It is a dark colour, so white text on it reaches 10.1:1 contrast (AAA for normal text). The nearest named colour is Dark slateblue.

Colour values

#3C3980#3C3980
HEX#3C3980
RGBrgb(60, 57, 128)
RGB (0–1)0.2353, 0.2235, 0.502
RGB percentages23.5%, 22.4%, 50.2%
HSLhsl(242.5, 38.4%, 36.3%)
HSV / HSBhsv(242.5, 55.5%, 50.2%)
CMYK53.1%, 55.5%, 0%, 49.8%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer3,946,880
CSS custom property--colour: #3C3980;

Brightness & contrast

Relative luminance0.05445WCAG 2.x, 0 is black and 1 is white
Perceived brightness69.7 of 255ITU-R BT.601 weighting
Light or darkDark
Best text colour on this backgroundWhitecontrast 10.05:1
Contrast with white10.05:1WCAG normal text: AAA
Contrast with black2.09:1WCAG normal text: Fail
Greyscale equivalent#3F3F3F
Inverted#C3C67F

Colour vision & accessibility

Normal visionProtanopiaDeuteranopiaTritanopia
Protanopia#114582no red cones; affects about 1% of men; ΔE 14.7 from the original
Deuteranopia#093F7Eno green cones; the most common form, about 1% of men; ΔE 12.8 from the original
Tritanopia#214956no blue cones; rare, and affects men and women equally; ΔE 42.5 from the original
Distinguishable without hueYesnever rely on hue alone to carry meaning
Contrast with white, large text10.05:1WCAG large text: AAA
Contrast with black, large text2.09:1WCAG large text: Fail

Named colours

Dark slateblue · ΔE 5.2Midnight blue · ΔE 18.1Rebecca purple · ΔE 22.4Slate blue · ΔE 28.5Medium purple · ΔE 32.3Royal blue · ΔE 32.5
Nearest named CSS colourDark slateblue (#483D8B)ΔE 5.22, clearly different but related
Hue familyblue
CSS keyword usableNo exact keyword

Colour harmonies

base+30°+90°+120°+180°+210°+240°+270°+330°
Complementary#7D8039
Analogous#395A80, #603980
Triadic#803C39, #39803C
Split complementary#806039, #5A8039
Tetradic#803959, #7D8039, #398060

Tints, shades & saturation

+40%+30%+20%+10%base-10%-20%-30%-40%
Lighter +40%#ADABDA
Lighter +30%#8B88CA
Lighter +20%#6865BA
Lighter +10%#4D49A3
Darker −10%#2B295D
Darker −20%#1B1A39
Darker −30%#0A0A16
Darker −40%#000000
More saturated +25%#272297
Less saturated −25%#515069

Channel breakdown

R60
G57
B128
Red60 (23.5%)
Green57 (22.4%)
Blue128 (50.2%)
Hue242.54°
Saturation (HSL)38.38%
Lightness36.27%
Dominant channelBlue
Hex per channelR 3C · G 39 · B 80

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Every value on this page was computed from “3c3980” by Nerdulator’s colour engine. Nothing here was retrieved from a database of answers or written by a model.