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Colour

#3F6EF7

  • #3F6EF7
  • Blue
  • Dark
  • Nearest: Royal blue

#3F6EF7 is a blue with RGB values 63, 110, 247 and HSL 225°, 92%, 61%. It is a dark colour, so black text on it reaches 4.8:1 contrast (AA for normal text). The nearest named colour is Royal blue.

Colour values

#3F6EF7#3F6EF7
HEX#3F6EF7
RGBrgb(63, 110, 247)
RGB (0–1)0.2471, 0.4314, 0.9686
RGB percentages24.7%, 43.1%, 96.9%
HSLhsl(224.7, 92%, 60.8%)
HSV / HSBhsv(224.7, 74.5%, 96.9%)
CMYK74.5%, 55.5%, 0%, 3.1%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer4,157,175
CSS custom property--colour: #3F6EF7;

Brightness & contrast

Relative luminance0.18924WCAG 2.x, 0 is black and 1 is white
Perceived brightness123.5 of 255ITU-R BT.601 weighting
Light or darkDark
Best text colour on this backgroundBlackcontrast 4.78:1
Contrast with white4.39:1WCAG normal text: Fail
Contrast with black4.78:1WCAG normal text: AA
Greyscale equivalent#6E6E6E
Inverted#C09108

Colour vision & accessibility

Normal visionProtanopiaDeuteranopiaTritanopia
Protanopia#0081FCno red cones; affects about 1% of men; ΔE 14.9 from the original
Deuteranopia#0070F4no green cones; the most common form, about 1% of men; ΔE 6.2 from the original
Tritanopia#0090A8no blue cones; rare, and affects men and women equally; ΔE 74.8 from the original
Distinguishable without hueShifts in lightness toonever rely on hue alone to carry meaning
Contrast with white, large text4.39:1WCAG large text: AA
Contrast with black, large text4.78:1WCAG large text: AAA

Named colours

Royal blue · ΔE 9.5Medium slateblue · ΔE 13Slate blue · ΔE 17.1Medium purple · ΔE 24.2Dodgerblue · ΔE 24.6Rebecca purple · ΔE 33.7
Nearest named CSS colourRoyal blue (#4169E1)ΔE 9.46, clearly different but related
Hue familyblue
CSS keyword usableNo exact keyword

Colour harmonies

base+30°+90°+120°+180°+210°+240°+270°+330°
Complementary#F7C83F
Analogous#3FCAF7, #6C3FF7
Triadic#F73F6E, #6EF73F
Split complementary#F76C3F, #CAF73F
Tetradic#F73FCA, #F7C83F, #3FF76C

Tints, shades & saturation

+40%+30%+20%+10%base-10%-20%-30%-40%
Lighter +40%#FFFFFF
Lighter +30%#D2DDFD
Lighter +20%#A1B8FB
Lighter +10%#7093F9
Darker −10%#0E49F5
Darker −20%#0839C8
Darker −30%#062B97
Darker −40%#041D66
More saturated +25%#376AFF
Less saturated −25%#587ADE

Channel breakdown

R63
G110
B247
Red63 (24.7%)
Green110 (43.1%)
Blue247 (96.9%)
Hue224.67°
Saturation (HSL)92%
Lightness60.78%
Dominant channelBlue
Hex per channelR 3F · G 6E · B F7

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Every value on this page was computed from “3f6ef7” by Nerdulator’s colour engine. Nothing here was retrieved from a database of answers or written by a model.