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Recognised as Colour

#3F2DA5

  • #3F2DA5
  • Blue
  • Dark
  • Nearest: Indigo

#3F2DA5 is a blue with RGB values 63, 45, 165 and HSL 249°, 57%, 41%. It is a dark colour, so white text on it reaches 9.9:1 contrast (AAA for normal text). The nearest named colour is Indigo.

Colour values

#3F2DA5#3F2DA5
HEX#3F2DA5
RGBrgb(63, 45, 165)
RGB (0–1)0.2471, 0.1765, 0.6471
RGB percentages24.7%, 17.6%, 64.7%
HSLhsl(249, 57.1%, 41.2%)
HSV / HSBhsv(249, 72.7%, 64.7%)
CMYK61.8%, 72.7%, 0%, 35.3%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer4,140,453
CSS custom property--colour: #3F2DA5;

Brightness & contrast

Relative luminance0.0565WCAG 2.x, 0 is black and 1 is white
Perceived brightness74 of 255ITU-R BT.601 weighting
Light or darkDark
Best text colour on this backgroundWhitecontrast 9.86:1
Contrast with white9.86:1WCAG normal text: AAA
Contrast with black2.13:1WCAG normal text: Fail
Greyscale equivalent#393939
Inverted#C0D25A

Colour vision & accessibility

Normal visionProtanopiaDeuteranopiaTritanopia
Protanopia#0047A9no red cones; affects about 1% of men; ΔE 21.6 from the original
Deuteranopia#003FA3no green cones; the most common form, about 1% of men; ΔE 18.1 from the original
Tritanopia#004E66no blue cones; rare, and affects men and women equally; ΔE 68.1 from the original
Distinguishable without hueShifts in lightness toonever rely on hue alone to carry meaning
Contrast with white, large text9.86:1WCAG large text: AAA
Contrast with black, large text2.13:1WCAG large text: Fail

Named colours

Indigo · ΔE 14.9Rebecca purple · ΔE 15.3Navy · ΔE 16.6Dark blue · ΔE 17.4Slate blue · ΔE 18.4Midnight blue · ΔE 20.6
Nearest named CSS colourIndigo (#4B0082)ΔE 14.89, a distinctly different colour
Hue familyblue
CSS keyword usableNo exact keyword

Colour harmonies

base+30°+90°+120°+180°+210°+240°+270°+330°
Complementary#93A52D
Analogous#2D57A5, #7B2DA5
Triadic#A53F2D, #2DA53F
Split complementary#A57B2D, #57A52D
Tetradic#A52D57, #93A52D, #2DA57B

Tints, shades & saturation

+40%+30%+20%+10%base-10%-20%-30%-40%
Lighter +40%#BCB4EA
Lighter +30%#988CE0
Lighter +20%#7463D5
Lighter +10%#513BCA
Darker −10%#30227D
Darker −20%#201755
Darker −30%#110C2D
Darker −40%#020105
More saturated +25%#2D13BF
Less saturated −25%#51478B

Channel breakdown

R63
G45
B165
Red63 (24.7%)
Green45 (17.6%)
Blue165 (64.7%)
Hue249°
Saturation (HSL)57.14%
Lightness41.18%
Dominant channelBlue
Hex per channelR 3F · G 2D · B A5

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Every value on this page was computed from “3f2da5” by Nerdulator’s colour engine. Nothing here was retrieved from a database of answers or written by a model.