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Recognised as Colour

#3356AC

  • #3356AC
  • Blue
  • Dark
  • Nearest: Dark slateblue

#3356AC is a blue with RGB values 51, 86, 172 and HSL 223°, 54%, 44%. It is a dark colour, so white text on it reaches 6.8:1 contrast (AA for normal text). The nearest named colour is Dark slateblue.

Colour values

#3356AC#3356AC
HEX#3356AC
RGBrgb(51, 86, 172)
RGB (0–1)0.2, 0.3373, 0.6745
RGB percentages20%, 33.7%, 67.5%
HSLhsl(222.6, 54.3%, 43.7%)
HSV / HSBhsv(222.6, 70.3%, 67.5%)
CMYK70.3%, 50%, 0%, 32.5%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer3,364,524
CSS custom property--colour: #3356AC;

Brightness & contrast

Relative luminance0.10338WCAG 2.x, 0 is black and 1 is white
Perceived brightness92.2 of 255ITU-R BT.601 weighting
Light or darkDark
Best text colour on this backgroundWhitecontrast 6.85:1
Contrast with white6.85:1WCAG normal text: AA
Contrast with black3.07:1WCAG normal text: Fail
Greyscale equivalent#555555
Inverted#CCA953

Colour vision & accessibility

Normal visionProtanopiaDeuteranopiaTritanopia
Protanopia#2560AFno red cones; affects about 1% of men; ΔE 8 from the original
Deuteranopia#0055AAno green cones; the most common form, about 1% of men; ΔE 5.1 from the original
Tritanopia#006A79no blue cones; rare, and affects men and women equally; ΔE 50.5 from the original
Distinguishable without hueYesnever rely on hue alone to carry meaning
Contrast with white, large text6.85:1WCAG large text: AAA
Contrast with black, large text3.07:1WCAG large text: AA

Named colours

Dark slateblue · ΔE 14.1Royal blue · ΔE 20.2Slate blue · ΔE 21.6Cornflower blue · ΔE 24.8Medium purple · ΔE 25.7Dodgerblue · ΔE 26
Nearest named CSS colourDark slateblue (#483D8B)ΔE 14.06, a distinctly different colour
Hue familyblue
CSS keyword usableNo exact keyword

Colour harmonies

base+30°+90°+120°+180°+210°+240°+270°+330°
Complementary#AC8933
Analogous#3392AC, #4D33AC
Triadic#AC3356, #56AC33
Split complementary#AC4C33, #93AC33
Tetradic#AC3392, #AC8933, #33AC4C

Tints, shades & saturation

+40%+30%+20%+10%base-10%-20%-30%-40%
Lighter +40%#BFCCEC
Lighter +30%#98ADE0
Lighter +20%#708DD5
Lighter +10%#496EC9
Darker −10%#274285
Darker −20%#1C2F5D
Darker −30%#101B36
Darker −40%#04070F
More saturated +25%#174AC8
Less saturated −25%#4F6290

Channel breakdown

R51
G86
B172
Red51 (20%)
Green86 (33.7%)
Blue172 (67.5%)
Hue222.64°
Saturation (HSL)54.26%
Lightness43.73%
Dominant channelBlue
Hex per channelR 33 · G 56 · B AC

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Every value on this page was computed from “3356ac” by Nerdulator’s colour engine. Nothing here was retrieved from a database of answers or written by a model.