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Recognised as Colour

#3297D9

  • #3297D9
  • Blue
  • Dark
  • Nearest: Steel blue

#3297D9 is a blue with RGB values 50, 151, 217 and HSL 204°, 69%, 52%. It is a dark colour, so black text on it reaches 6.6:1 contrast (AA for normal text). The nearest named colour is Steel blue.

Colour values

#3297D9#3297D9
HEX#3297D9
RGBrgb(50, 151, 217)
RGB (0–1)0.1961, 0.5922, 0.851
RGB percentages19.6%, 59.2%, 85.1%
HSLhsl(203.7, 68.7%, 52.4%)
HSV / HSBhsv(203.7, 77%, 85.1%)
CMYK77%, 30.4%, 0%, 14.9%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer3,315,673
CSS custom property--colour: #3297D9;

Brightness & contrast

Relative luminance0.27821WCAG 2.x, 0 is black and 1 is white
Perceived brightness139.6 of 255ITU-R BT.601 weighting
Light or darkDark
Best text colour on this backgroundBlackcontrast 6.56:1
Contrast with white3.2:1WCAG normal text: Fail
Contrast with black6.56:1WCAG normal text: AA
Greyscale equivalent#868686
Inverted#CD6826

Colour vision & accessibility

Normal visionProtanopiaDeuteranopiaTritanopia
Protanopia#7898DCno red cones; affects about 1% of men; ΔE 14.2 from the original
Deuteranopia#6189D8no green cones; the most common form, about 1% of men; ΔE 16 from the original
Tritanopia#00A7AEno blue cones; rare, and affects men and women equally; ΔE 38.5 from the original
Distinguishable without hueShifts in lightness toonever rely on hue alone to carry meaning
Contrast with white, large text3.2:1WCAG large text: AA
Contrast with black, large text6.56:1WCAG large text: AAA

Named colours

Steel blue · ΔE 12.3Deep skyblue · ΔE 17Cornflower blue · ΔE 17.6Light skyblue · ΔE 24.4Dodgerblue · ΔE 27.1Sky blue · ΔE 29.5
Nearest named CSS colourSteel blue (#4682B4)ΔE 12.27, a distinctly different colour
Hue familyblue
CSS keyword usableNo exact keyword

Colour harmonies

base+30°+90°+120°+180°+210°+240°+270°+330°
Complementary#D97432
Analogous#32D9C7, #3244D9
Triadic#D93297, #97D932
Split complementary#D93244, #D9C732
Tetradic#C732D9, #D97432, #44D932

Tints, shades & saturation

+40%+30%+20%+10%base-10%-20%-30%-40%
Lighter +40%#DEEEF9
Lighter +30%#B3D8F1
Lighter +20%#88C3E9
Lighter +10%#5DADE1
Darker −10%#227CB6
Darker −20%#1A5E8B
Darker −30%#124160
Darker −40%#0A2435
More saturated +25%#149DF7
Less saturated −25%#5091BB

Channel breakdown

R50
G151
B217
Red50 (19.6%)
Green151 (59.2%)
Blue217 (85.1%)
Hue203.71°
Saturation (HSL)68.72%
Lightness52.35%
Dominant channelBlue
Hex per channelR 32 · G 97 · B D9

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Every value on this page was computed from “3297d9” by Nerdulator’s colour engine. Nothing here was retrieved from a database of answers or written by a model.