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Colour

#336CFF

  • #336CFF
  • Blue
  • Dark
  • Nearest: Medium slateblue

#336CFF is a blue with RGB values 51, 108, 255 and HSL 223°, 100%, 60%. It is a dark colour, so black text on it reaches 4.7:1 contrast (AA for normal text). The nearest named colour is Medium slateblue.

Colour values

#336CFF#336CFF
HEX#336CFF
RGBrgb(51, 108, 255)
RGB (0–1)0.2, 0.4235, 1
RGB percentages20%, 42.4%, 100%
HSLhsl(223.2, 100%, 60%)
HSV / HSBhsv(223.2, 80%, 100%)
CMYK80%, 57.6%, 0%, 0%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer3,370,239
CSS custom property--colour: #336CFF;

Brightness & contrast

Relative luminance0.18649WCAG 2.x, 0 is black and 1 is white
Perceived brightness122.6 of 255ITU-R BT.601 weighting
Light or darkDark
Best text colour on this backgroundBlackcontrast 4.73:1
Contrast with white4.44:1WCAG normal text: Fail
Contrast with black4.73:1WCAG normal text: AA
Greyscale equivalent#6A6A6A
Inverted#CC9300

Colour vision & accessibility

Normal visionProtanopiaDeuteranopiaTritanopia
Protanopia#0081FFno red cones; affects about 1% of men; ΔE 18 from the original
Deuteranopia#006FFCno green cones; the most common form, about 1% of men; ΔE 5.5 from the original
Tritanopia#0091ABno blue cones; rare, and affects men and women equally; ΔE 79.3 from the original
Distinguishable without hueShifts in lightness toonever rely on hue alone to carry meaning
Contrast with white, large text4.44:1WCAG large text: AA
Contrast with black, large text4.73:1WCAG large text: AAA

Named colours

Medium slateblue · ΔE 14.8Royal blue · ΔE 15.1Slate blue · ΔE 21Medium purple · ΔE 28.6Dodgerblue · ΔE 29.4Rebecca purple · ΔE 36.7
Nearest named CSS colourMedium slateblue (#7B68EE)ΔE 14.8, a distinctly different colour
Hue familyblue
CSS keyword usableNo exact keyword

Colour harmonies

base+30°+90°+120°+180°+210°+240°+270°+330°
Complementary#FFC633
Analogous#33D2FF, #6033FF
Triadic#FF336C, #6CFF33
Split complementary#FF6033, #D2FF33
Tetradic#FF33D2, #FFC633, #33FF60

Tints, shades & saturation

+40%+30%+20%+10%base-10%-20%-30%-40%
Lighter +40%#FFFFFF
Lighter +30%#CCDAFF
Lighter +20%#99B6FF
Lighter +10%#6691FF
Darker −10%#0047FF
Darker −20%#0039CC
Darker −30%#002B99
Darker −40%#001C66
More saturated +25%#336CFF
Less saturated −25%#4C77E6

Channel breakdown

R51
G108
B255
Red51 (20%)
Green108 (42.4%)
Blue255 (100%)
Hue223.24°
Saturation (HSL)100%
Lightness60%
Dominant channelBlue
Hex per channelR 33 · G 6C · B FF

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Every value on this page was computed from “336cff” by Nerdulator’s colour engine. Nothing here was retrieved from a database of answers or written by a model.