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Recognised as Colour

#3F79DE

  • #3F79DE
  • Blue
  • Dark
  • Nearest: Dodgerblue

#3F79DE is a blue with RGB values 63, 121, 222 and HSL 218°, 71%, 56%. It is a dark colour, so black text on it reaches 5:1 contrast (AA for normal text). The nearest named colour is Dodgerblue.

Colour values

#3F79DE#3F79DE
HEX#3F79DE
RGBrgb(63, 121, 222)
RGB (0–1)0.2471, 0.4745, 0.8706
RGB percentages24.7%, 47.5%, 87.1%
HSLhsl(218.1, 70.7%, 55.9%)
HSV / HSBhsv(218.1, 71.6%, 87.1%)
CMYK71.6%, 45.5%, 0%, 12.9%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer4,159,966
CSS custom property--colour: #3F79DE;

Brightness & contrast

Relative luminance0.20005WCAG 2.x, 0 is black and 1 is white
Perceived brightness124.1 of 255ITU-R BT.601 weighting
Light or darkDark
Best text colour on this backgroundBlackcontrast 5:1
Contrast with white4.2:1WCAG normal text: Fail
Contrast with black5:1WCAG normal text: AA
Greyscale equivalent#747474
Inverted#C08621

Colour vision & accessibility

Normal visionProtanopiaDeuteranopiaTritanopia
Protanopia#4583E2no red cones; affects about 1% of men; ΔE 5.8 from the original
Deuteranopia#2275DCno green cones; the most common form, about 1% of men; ΔE 3.3 from the original
Tritanopia#0091A1no blue cones; rare, and affects men and women equally; ΔE 57.1 from the original
Distinguishable without hueShifts in lightness toonever rely on hue alone to carry meaning
Contrast with white, large text4.2:1WCAG large text: AA
Contrast with black, large text5:1WCAG large text: AAA

Named colours

Dodgerblue · ΔE 11Cornflower blue · ΔE 13.9Royal blue · ΔE 14.6Slate blue · ΔE 22.1Medium purple · ΔE 23.2Medium slateblue · ΔE 27.5
Nearest named CSS colourDodgerblue (#1E90FF)ΔE 10.98, a distinctly different colour
Hue familyblue
CSS keyword usableNo exact keyword

Colour harmonies

base+30°+90°+120°+180°+210°+240°+270°+330°
Complementary#DEA43F
Analogous#3FC8DE, #553FDE
Triadic#DE3F79, #79DE3F
Split complementary#DE553F, #C8DE3F
Tetradic#DE3FC8, #DEA43F, #3FDE55

Tints, shades & saturation

+40%+30%+20%+10%base-10%-20%-30%-40%
Lighter +40%#EDF2FC
Lighter +30%#C2D4F4
Lighter +20%#96B6ED
Lighter +10%#6B97E5
Darker −10%#225FC8
Darker −20%#1B4A9C
Darker −30%#133571
Darker −40%#0C2145
More saturated +25%#2371FA
Less saturated −25%#5B81C2

Channel breakdown

R63
G121
B222
Red63 (24.7%)
Green121 (47.5%)
Blue222 (87.1%)
Hue218.11°
Saturation (HSL)70.67%
Lightness55.88%
Dominant channelBlue
Hex per channelR 3F · G 79 · B DE

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Every value on this page was computed from “3f79de” by Nerdulator’s colour engine. Nothing here was retrieved from a database of answers or written by a model.