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Colour

#3399F2

  • #3399F2
  • Blue
  • Dark
  • Nearest: Cornflower blue

#3399F2 is a blue with RGB values 51, 153, 242 and HSL 208°, 88%, 57%. It is a dark colour, so black text on it reaches 7:1 contrast (AA for normal text). The nearest named colour is Cornflower blue.

Colour values

#3399F2#3399F2
HEX#3399F2
RGBrgb(51, 153, 242)
RGB (0–1)0.2, 0.6, 0.949
RGB percentages20%, 60%, 94.9%
HSLhsl(208, 88%, 57.5%)
HSV / HSBhsv(208, 78.9%, 94.9%)
CMYK78.9%, 36.8%, 0%, 5.1%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer3,381,746
CSS custom property--colour: #3399F2;

Brightness & contrast

Relative luminance0.29897WCAG 2.x, 0 is black and 1 is white
Perceived brightness145.6 of 255ITU-R BT.601 weighting
Light or darkDark
Best text colour on this backgroundBlackcontrast 6.98:1
Contrast with white3.01:1WCAG normal text: Fail
Contrast with black6.98:1WCAG normal text: AA
Greyscale equivalent#8A8A8A
Inverted#CC660D

Colour vision & accessibility

Normal visionProtanopiaDeuteranopiaTritanopia
Protanopia#6F9EF6no red cones; affects about 1% of men; ΔE 9.5 from the original
Deuteranopia#528DF0no green cones; the most common form, about 1% of men; ΔE 11.1 from the original
Tritanopia#00AEBAno blue cones; rare, and affects men and women equally; ΔE 49.5 from the original
Distinguishable without hueShifts in lightness toonever rely on hue alone to carry meaning
Contrast with white, large text3.01:1WCAG large text: AA
Contrast with black, large text6.98:1WCAG large text: AAA

Named colours

Cornflower blue · ΔE 8.6Dodgerblue · ΔE 13.8Steel blue · ΔE 23.1Deep skyblue · ΔE 24.3Royal blue · ΔE 31Light skyblue · ΔE 32.7
Nearest named CSS colourCornflower blue (#6495ED)ΔE 8.63, clearly different but related
Hue familyblue
CSS keyword usableNo exact keyword

Colour harmonies

base+30°+90°+120°+180°+210°+240°+270°+330°
Complementary#F28C33
Analogous#33F2EB, #333AF2
Triadic#F23399, #99F233
Split complementary#F2333A, #F2EC33
Tetradic#EB33F2, #F28C33, #39F233

Tints, shades & saturation

+40%+30%+20%+10%base-10%-20%-30%-40%
Lighter +40%#F3F9FE
Lighter +30%#C3E1FB
Lighter +20%#93C9F8
Lighter +10%#63B1F5
Darker −10%#0E80E4
Darker −20%#0B65B4
Darker −30%#084A84
Darker −40%#052F54
More saturated +25%#269AFF
Less saturated −25%#4E97D7

Channel breakdown

R51
G153
B242
Red51 (20%)
Green153 (60%)
Blue242 (94.9%)
Hue207.96°
Saturation (HSL)88.02%
Lightness57.45%
Dominant channelBlue
Hex per channelR 33 · G 99 · B F2

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Every value on this page was computed from “3399f2” by Nerdulator’s colour engine. Nothing here was retrieved from a database of answers or written by a model.