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Recognised as Colour

#3C3983

  • #3C3983
  • Blue
  • Dark
  • Nearest: Dark slateblue

#3C3983 is a blue with RGB values 60, 57, 131 and HSL 242°, 39%, 37%. It is a dark colour, so white text on it reaches 10:1 contrast (AAA for normal text). The nearest named colour is Dark slateblue.

Colour values

#3C3983#3C3983
HEX#3C3983
RGBrgb(60, 57, 131)
RGB (0–1)0.2353, 0.2235, 0.5137
RGB percentages23.5%, 22.4%, 51.4%
HSLhsl(242.4, 39.4%, 36.9%)
HSV / HSBhsv(242.4, 56.5%, 51.4%)
CMYK54.2%, 56.5%, 0%, 48.6%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer3,946,883
CSS custom property--colour: #3C3983;

Brightness & contrast

Relative luminance0.05526WCAG 2.x, 0 is black and 1 is white
Perceived brightness70.3 of 255ITU-R BT.601 weighting
Light or darkDark
Best text colour on this backgroundWhitecontrast 9.98:1
Contrast with white9.98:1WCAG normal text: AAA
Contrast with black2.11:1WCAG normal text: Fail
Greyscale equivalent#3F3F3F
Inverted#C3C67C

Colour vision & accessibility

Normal visionProtanopiaDeuteranopiaTritanopia
Protanopia#0B4586no red cones; affects about 1% of men; ΔE 14.4 from the original
Deuteranopia#004081no green cones; the most common form, about 1% of men; ΔE 13.7 from the original
Tritanopia#1E4A58no blue cones; rare, and affects men and women equally; ΔE 44.1 from the original
Distinguishable without hueYesnever rely on hue alone to carry meaning
Contrast with white, large text9.98:1WCAG large text: AAA
Contrast with black, large text2.11:1WCAG large text: Fail

Named colours

Dark slateblue · ΔE 3.9Midnight blue · ΔE 17Rebecca purple · ΔE 21Slate blue · ΔE 26.9Royal blue · ΔE 31Medium purple · ΔE 31.2
Nearest named CSS colourDark slateblue (#483D8B)ΔE 3.89, a close match
Hue familyblue
CSS keyword usableNo exact keyword

Colour harmonies

base+30°+90°+120°+180°+210°+240°+270°+330°
Complementary#808339
Analogous#395B83, #613983
Triadic#833C39, #39833C
Split complementary#836139, #5B8339
Tetradic#83395B, #808339, #398361

Tints, shades & saturation

+40%+30%+20%+10%base-10%-20%-30%-40%
Lighter +40%#AFADDB
Lighter +30%#8C89CC
Lighter +20%#6966BC
Lighter +10%#4C48A7
Darker −10%#2C2A5F
Darker −20%#1B1A3C
Darker −30%#0B0B18
Darker −40%#000000
More saturated +25%#26219B
Less saturated −25%#52516C

Channel breakdown

R60
G57
B131
Red60 (23.5%)
Green57 (22.4%)
Blue131 (51.4%)
Hue242.43°
Saturation (HSL)39.36%
Lightness36.86%
Dominant channelBlue
Hex per channelR 3C · G 39 · B 83

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Every value on this page was computed from “3c3983” by Nerdulator’s colour engine. Nothing here was retrieved from a database of answers or written by a model.