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Recognised as Colour

#684CEF

  • #684CEF
  • Blue
  • Dark
  • Nearest: Blue violet

#684CEF is a blue with RGB values 104, 76, 239 and HSL 250°, 84%, 62%. It is a dark colour, so white text on it reaches 5.4:1 contrast (AA for normal text). The nearest named colour is Blue violet.

Colour values

#684CEF#684CEF
HEX#684CEF
RGBrgb(104, 76, 239)
RGB (0–1)0.4078, 0.298, 0.9373
RGB percentages40.8%, 29.8%, 93.7%
HSLhsl(250.3, 83.6%, 61.8%)
HSV / HSBhsv(250.3, 68.2%, 93.7%)
CMYK56.5%, 68.2%, 0%, 6.3%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer6,835,439
CSS custom property--colour: #684CEF;

Brightness & contrast

Relative luminance0.14344WCAG 2.x, 0 is black and 1 is white
Perceived brightness114.6 of 255ITU-R BT.601 weighting
Light or darkDark
Best text colour on this backgroundWhitecontrast 5.43:1
Contrast with white5.43:1WCAG normal text: AA
Contrast with black3.87:1WCAG normal text: Fail
Greyscale equivalent#5E5E5E
Inverted#97B310

Colour vision & accessibility

Normal visionProtanopiaDeuteranopiaTritanopia
Protanopia#006FF4no red cones; affects about 1% of men; ΔE 29.2 from the original
Deuteranopia#0064ECno green cones; the most common form, about 1% of men; ΔE 24.8 from the original
Tritanopia#1F7798no blue cones; rare, and affects men and women equally; ΔE 85.7 from the original
Distinguishable without hueShifts in lightness toonever rely on hue alone to carry meaning
Contrast with white, large text5.43:1WCAG large text: AAA
Contrast with black, large text3.87:1WCAG large text: AA

Named colours

Blue violet · ΔE 16.7Medium slateblue · ΔE 19.4Dark orchid · ΔE 21.4Dark violet · ΔE 24.4Slate blue · ΔE 27Medium blue · ΔE 27.4
Nearest named CSS colourBlue violet (#8A2BE2)ΔE 16.66, a distinctly different colour
Hue familyblue
CSS keyword usableNo exact keyword

Colour harmonies

base+30°+90°+120°+180°+210°+240°+270°+330°
Complementary#D3EF4C
Analogous#4C82EF, #BA4CEF
Triadic#EF684C, #4CEF68
Split complementary#EFB94C, #82EF4C
Tetradic#EF4C82, #D3EF4C, #4CEFBA

Tints, shades & saturation

+40%+30%+20%+10%base-10%-20%-30%-40%
Lighter +40%#FFFFFF
Lighter +30%#DED8FC
Lighter +20%#B7AAF7
Lighter +10%#8F7BF3
Darker −10%#411DEB
Darker −20%#3011C4
Darker −30%#250D95
Darker −40%#190966
More saturated +25%#5D3CFF
Less saturated −25%#7864D7

Channel breakdown

R104
G76
B239
Red104 (40.8%)
Green76 (29.8%)
Blue239 (93.7%)
Hue250.31°
Saturation (HSL)83.59%
Lightness61.76%
Dominant channelBlue
Hex per channelR 68 · G 4C · B EF

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Every value on this page was computed from “684cef” by Nerdulator’s colour engine. Nothing here was retrieved from a database of answers or written by a model.