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Recognised as Colour

#3B64E4

  • #3B64E4
  • Blue
  • Dark
  • Nearest: Royal blue

#3B64E4 is a blue with RGB values 59, 100, 228 and HSL 225°, 76%, 56%. It is a dark colour, so white text on it reaches 5.1:1 contrast (AA for normal text). The nearest named colour is Royal blue.

Colour values

#3B64E4#3B64E4
HEX#3B64E4
RGBrgb(59, 100, 228)
RGB (0–1)0.2314, 0.3922, 0.8941
RGB percentages23.1%, 39.2%, 89.4%
HSLhsl(225.4, 75.8%, 56.3%)
HSV / HSBhsv(225.4, 74.1%, 89.4%)
CMYK74.1%, 56.1%, 0%, 10.6%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer3,892,452
CSS custom property--colour: #3B64E4;

Brightness & contrast

Relative luminance0.15646WCAG 2.x, 0 is black and 1 is white
Perceived brightness113.3 of 255ITU-R BT.601 weighting
Light or darkDark
Best text colour on this backgroundWhitecontrast 5.09:1
Contrast with white5.09:1WCAG normal text: AA
Contrast with black4.13:1WCAG normal text: Fail
Greyscale equivalent#656565
Inverted#C49B1B

Colour vision & accessibility

Normal visionProtanopiaDeuteranopiaTritanopia
Protanopia#0076E8no red cones; affects about 1% of men; ΔE 14.8 from the original
Deuteranopia#0067E1no green cones; the most common form, about 1% of men; ΔE 6.8 from the original
Tritanopia#00849Ano blue cones; rare, and affects men and women equally; ΔE 71.3 from the original
Distinguishable without hueShifts in lightness toonever rely on hue alone to carry meaning
Contrast with white, large text5.09:1WCAG large text: AAA
Contrast with black, large text4.13:1WCAG large text: AA

Named colours

Royal blue · ΔE 5.4Slate blue · ΔE 13Medium slateblue · ΔE 13.2Medium purple · ΔE 22Dodgerblue · ΔE 24.3Rebecca purple · ΔE 29
Nearest named CSS colourRoyal blue (#4169E1)ΔE 5.37, clearly different but related
Hue familyblue
CSS keyword usableNo exact keyword

Colour harmonies

base+30°+90°+120°+180°+210°+240°+270°+330°
Complementary#E4BB3B
Analogous#3BB9E4, #673BE4
Triadic#E43B64, #64E43B
Split complementary#E4673B, #B9E43B
Tetradic#E43BB8, #E4BB3B, #3BE466

Tints, shades & saturation

+40%+30%+20%+10%base-10%-20%-30%-40%
Lighter +40%#EEF2FD
Lighter +30%#C1CEF7
Lighter +20%#95ABF0
Lighter +10%#6887EA
Darker −10%#1D48CF
Darker −20%#1638A3
Darker −30%#102976
Darker −40%#0A1949
More saturated +25%#2056FF
Less saturated −25%#5772C8

Channel breakdown

R59
G100
B228
Red59 (23.1%)
Green100 (39.2%)
Blue228 (89.4%)
Hue225.44°
Saturation (HSL)75.78%
Lightness56.27%
Dominant channelBlue
Hex per channelR 3B · G 64 · B E4

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Every value on this page was computed from “3b64e4” by Nerdulator’s colour engine. Nothing here was retrieved from a database of answers or written by a model.