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Recognised as Colour

#3D3CBB

  • #3D3CBB
  • Blue
  • Dark
  • Nearest: Slate blue

#3D3CBB is a blue with RGB values 61, 60, 187 and HSL 240°, 51%, 48%. It is a dark colour, so white text on it reaches 8.2:1 contrast (AAA for normal text). The nearest named colour is Slate blue.

Colour values

#3D3CBB#3D3CBB
HEX#3D3CBB
RGBrgb(61, 60, 187)
RGB (0–1)0.2392, 0.2353, 0.7333
RGB percentages23.9%, 23.5%, 73.3%
HSLhsl(240.5, 51.4%, 48.4%)
HSV / HSBhsv(240.5, 67.9%, 73.3%)
CMYK67.4%, 67.9%, 0%, 26.7%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer4,013,243
CSS custom property--colour: #3D3CBB;

Brightness & contrast

Relative luminance0.07812WCAG 2.x, 0 is black and 1 is white
Perceived brightness84.9 of 255ITU-R BT.601 weighting
Light or darkDark
Best text colour on this backgroundWhitecontrast 8.2:1
Contrast with white8.2:1WCAG normal text: AAA
Contrast with black2.56:1WCAG normal text: Fail
Greyscale equivalent#454545
Inverted#C2C344

Colour vision & accessibility

Normal visionProtanopiaDeuteranopiaTritanopia
Protanopia#0055BFno red cones; affects about 1% of men; ΔE 20.6 from the original
Deuteranopia#0049B9no green cones; the most common form, about 1% of men; ΔE 14 from the original
Tritanopia#005E76no blue cones; rare, and affects men and women equally; ΔE 72 from the original
Distinguishable without hueShifts in lightness toonever rely on hue alone to carry meaning
Contrast with white, large text8.2:1WCAG large text: AAA
Contrast with black, large text2.56:1WCAG large text: Fail

Named colours

Slate blue · ΔE 15.4Medium slateblue · ΔE 18.6Rebecca purple · ΔE 19.6Royal blue · ΔE 20.2Dark blue · ΔE 21.4Indigo · ΔE 21.7
Nearest named CSS colourSlate blue (#6A5ACD)ΔE 15.37, a distinctly different colour
Hue familyblue
CSS keyword usableNo exact keyword

Colour harmonies

base+30°+90°+120°+180°+210°+240°+270°+330°
Complementary#BABB3C
Analogous#3C7ABB, #7C3CBB
Triadic#BB3D3C, #3CBB3D
Split complementary#BB7C3C, #7ABB3C
Tetradic#BB3C7A, #BABB3C, #3CBB7C

Tints, shades & saturation

+40%+30%+20%+10%base-10%-20%-30%-40%
Lighter +40%#D3D2F1
Lighter +30%#ACACE4
Lighter +20%#8685D8
Lighter +10%#5F5ECC
Darker −10%#303094
Darker −20%#24236E
Darker −30%#171747
Darker −40%#0B0A21
More saturated +25%#1F1DDA
Less saturated −25%#5B5B9C

Channel breakdown

R61
G60
B187
Red61 (23.9%)
Green60 (23.5%)
Blue187 (73.3%)
Hue240.47°
Saturation (HSL)51.42%
Lightness48.43%
Dominant channelBlue
Hex per channelR 3D · G 3C · B BB

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Every value on this page was computed from “3d3cbb” by Nerdulator’s colour engine. Nothing here was retrieved from a database of answers or written by a model.