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Recognised as Colour

#3C509A

  • #3C509A
  • Blue
  • Dark
  • Nearest: Dark slateblue

#3C509A is a blue with RGB values 60, 80, 154 and HSL 227°, 44%, 42%. 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

#3C509A#3C509A
HEX#3C509A
RGBrgb(60, 80, 154)
RGB (0–1)0.2353, 0.3137, 0.6039
RGB percentages23.5%, 31.4%, 60.4%
HSLhsl(227.2, 43.9%, 42%)
HSV / HSBhsv(227.2, 61%, 60.4%)
CMYK61%, 48.1%, 0%, 39.6%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer3,952,794
CSS custom property--colour: #3C509A;

Brightness & contrast

Relative luminance0.09031WCAG 2.x, 0 is black and 1 is white
Perceived brightness86.8 of 255ITU-R BT.601 weighting
Light or darkDark
Best text colour on this backgroundWhitecontrast 7.48:1
Contrast with white7.48:1WCAG normal text: AAA
Contrast with black2.81:1WCAG normal text: Fail
Greyscale equivalent#515151
Inverted#C3AF65

Colour vision & accessibility

Normal visionProtanopiaDeuteranopiaTritanopia
Protanopia#2C599Dno red cones; affects about 1% of men; ΔE 8 from the original
Deuteranopia#1D5198no green cones; the most common form, about 1% of men; ΔE 6.5 from the original
Tritanopia#00616Dno blue cones; rare, and affects men and women equally; ΔE 46 from the original
Distinguishable without hueYesnever rely on hue alone to carry meaning
Contrast with white, large text7.48:1WCAG large text: AAA
Contrast with black, large text2.81:1WCAG large text: Fail

Named colours

Dark slateblue · ΔE 11.3Midnight blue · ΔE 26.4Slate blue · ΔE 26.6Royal blue · ΔE 27.3Rebecca purple · ΔE 27.3Cornflower blue · ΔE 27.5
Nearest named CSS colourDark slateblue (#483D8B)ΔE 11.29, a distinctly different colour
Hue familyblue
CSS keyword usableNo exact keyword

Colour harmonies

base+30°+90°+120°+180°+210°+240°+270°+330°
Complementary#9A863C
Analogous#3C7F9A, #573C9A
Triadic#9A3C50, #509A3C
Split complementary#9A573C, #7F9A3C
Tetradic#9A3C7F, #9A863C, #3C9A57

Tints, shades & saturation

+40%+30%+20%+10%base-10%-20%-30%-40%
Lighter +40%#BDC5E5
Lighter +30%#98A5D7
Lighter +20%#7386C9
Lighter +10%#4F66BA
Darker −10%#2E3D75
Darker −20%#1F2A51
Darker −30%#11172C
Darker −40%#030407
More saturated +25%#2141B5
Less saturated −25%#575F7F

Channel breakdown

R60
G80
B154
Red60 (23.5%)
Green80 (31.4%)
Blue154 (60.4%)
Hue227.23°
Saturation (HSL)43.93%
Lightness41.96%
Dominant channelBlue
Hex per channelR 3C · G 50 · B 9A

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Every value on this page was computed from “3c509a” by Nerdulator’s colour engine. Nothing here was retrieved from a database of answers or written by a model.