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Recognised as Colour

#3F4CDE

  • #3F4CDE
  • Blue
  • Dark
  • Nearest: Medium slateblue

#3F4CDE is a blue with RGB values 63, 76, 222 and HSL 235°, 71%, 56%. It is a dark colour, so white text on it reaches 6.4:1 contrast (AA for normal text). The nearest named colour is Medium slateblue.

Colour values

#3F4CDE#3F4CDE
HEX#3F4CDE
RGBrgb(63, 76, 222)
RGB (0–1)0.2471, 0.298, 0.8706
RGB percentages24.7%, 29.8%, 87.1%
HSLhsl(235.1, 70.7%, 55.9%)
HSV / HSBhsv(235.1, 71.6%, 87.1%)
CMYK71.6%, 65.8%, 0%, 12.9%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer4,148,446
CSS custom property--colour: #3F4CDE;

Brightness & contrast

Relative luminance0.115WCAG 2.x, 0 is black and 1 is white
Perceived brightness101 of 255ITU-R BT.601 weighting
Light or darkDark
Best text colour on this backgroundWhitecontrast 6.36:1
Contrast with white6.36:1WCAG normal text: AA
Contrast with black3.3:1WCAG normal text: Fail
Greyscale equivalent#545454
Inverted#C0B321

Colour vision & accessibility

Normal visionProtanopiaDeuteranopiaTritanopia
Protanopia#0067E3no red cones; affects about 1% of men; ΔE 21 from the original
Deuteranopia#0058DBno green cones; the most common form, about 1% of men; ΔE 13.1 from the original
Tritanopia#00738Eno blue cones; rare, and affects men and women equally; ΔE 80.5 from the original
Distinguishable without hueShifts in lightness toonever rely on hue alone to carry meaning
Contrast with white, large text6.36:1WCAG large text: AAA
Contrast with black, large text3.3:1WCAG large text: AA

Named colours

Medium slateblue · ΔE 15.7Slate blue · ΔE 19.8Royal blue · ΔE 21.1Blue violet · ΔE 26.9Dark orchid · ΔE 27.2Dark blue · ΔE 27.6
Nearest named CSS colourMedium slateblue (#7B68EE)ΔE 15.73, a distinctly different colour
Hue familyblue
CSS keyword usableNo exact keyword

Colour harmonies

base+30°+90°+120°+180°+210°+240°+270°+330°
Complementary#DED13F
Analogous#3F9BDE, #823FDE
Triadic#DE3F4C, #4CDE3F
Split complementary#DE823F, #9BDE3F
Tetradic#DE3F9B, #DED13F, #3FDE82

Tints, shades & saturation

+40%+30%+20%+10%base-10%-20%-30%-40%
Lighter +40%#EDEEFC
Lighter +30%#C2C6F4
Lighter +20%#969DED
Lighter +10%#6B75E5
Darker −10%#2230C8
Darker −20%#1B259C
Darker −30%#131B71
Darker −40%#0C1145
More saturated +25%#2334FA
Less saturated −25%#5B64C2

Channel breakdown

R63
G76
B222
Red63 (24.7%)
Green76 (29.8%)
Blue222 (87.1%)
Hue235.09°
Saturation (HSL)70.67%
Lightness55.88%
Dominant channelBlue
Hex per channelR 3F · G 4C · B DE

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Every value on this page was computed from “3f4cde” by Nerdulator’s colour engine. Nothing here was retrieved from a database of answers or written by a model.