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Recognised as Colour

#686CFF

  • #686CFF
  • Blue
  • Dark
  • Nearest: Medium slateblue

#686CFF is a blue with RGB values 104, 108, 255 and HSL 238°, 100%, 70%. It is a dark colour, so black text on it reaches 5.2:1 contrast (AA for normal text). The nearest named colour is Medium slateblue.

Colour values

#686CFF#686CFF
HEX#686CFF
RGBrgb(104, 108, 255)
RGB (0–1)0.4078, 0.4235, 1
RGB percentages40.8%, 42.4%, 100%
HSLhsl(238.4, 100%, 70.4%)
HSV / HSBhsv(238.4, 59.2%, 100%)
CMYK59.2%, 57.6%, 0%, 0%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer6,843,647
CSS custom property--colour: #686CFF;

Brightness & contrast

Relative luminance0.20888WCAG 2.x, 0 is black and 1 is white
Perceived brightness132.3 of 255ITU-R BT.601 weighting
Light or darkDark
Best text colour on this backgroundBlackcontrast 5.18:1
Contrast with white4.06:1WCAG normal text: Fail
Contrast with black5.18:1WCAG normal text: AA
Greyscale equivalent#767676
Inverted#979300

Colour vision & accessibility

Normal visionProtanopiaDeuteranopiaTritanopia
Protanopia#0085FFno red cones; affects about 1% of men; ΔE 25.5 from the original
Deuteranopia#0078FCno green cones; the most common form, about 1% of men; ΔE 17.8 from the original
Tritanopia#008FABno blue cones; rare, and affects men and women equally; ΔE 79.9 from the original
Distinguishable without hueShifts in lightness toonever rely on hue alone to carry meaning
Contrast with white, large text4.06:1WCAG large text: AA
Contrast with black, large text5.18:1WCAG large text: AAA

Named colours

Medium slateblue · ΔE 8.5Royal blue · ΔE 17.3Slate blue · ΔE 18.3Medium purple · ΔE 24.1Dark orchid · ΔE 29.8Blue violet · ΔE 31.3
Nearest named CSS colourMedium slateblue (#7B68EE)ΔE 8.49, clearly different but related
Hue familyblue
CSS keyword usableNo exact keyword

Colour harmonies

base+30°+90°+120°+180°+210°+240°+270°+330°
Complementary#FFFB68
Analogous#68B7FF, #B068FF
Triadic#FF686C, #6CFF68
Split complementary#FFAF68, #B8FF68
Tetradic#FF68B7, #FFFB68, #68FFAF

Tints, shades & saturation

+40%+30%+20%+10%base-10%-20%-30%-40%
Lighter +40%#FFFFFF
Lighter +30%#FFFFFF
Lighter +20%#CECFFF
Lighter +10%#9B9EFF
Darker −10%#353AFF
Darker −20%#0209FF
Darker −30%#0005CE
Darker −40%#00049B
More saturated +25%#686CFF
Less saturated −25%#7B7EEC

Channel breakdown

R104
G108
B255
Red104 (40.8%)
Green108 (42.4%)
Blue255 (100%)
Hue238.41°
Saturation (HSL)100%
Lightness70.39%
Dominant channelBlue
Hex per channelR 68 · G 6C · B FF

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Every value on this page was computed from “686cff” by Nerdulator’s colour engine. Nothing here was retrieved from a database of answers or written by a model.