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Recognised as Colour

#3303FB

  • #3303FB
  • Blue
  • Dark
  • Nearest: Blue

#3303FB is a blue with RGB values 51, 3, 251 and HSL 252°, 98%, 50%. It is a dark colour, so white text on it reaches 8.2:1 contrast (AAA for normal text). The nearest named colour is Blue.

Colour values

#3303FB#3303FB
HEX#3303FB
RGBrgb(51, 3, 251)
RGB (0–1)0.2, 0.0118, 0.9843
RGB percentages20%, 1.2%, 98.4%
HSLhsl(251.6, 97.6%, 49.8%)
HSV / HSBhsv(251.6, 98.8%, 98.4%)
CMYK79.7%, 98.8%, 0%, 1.6%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer3,343,355
CSS custom property--colour: #3303FB;

Brightness & contrast

Relative luminance0.07734WCAG 2.x, 0 is black and 1 is white
Perceived brightness89.2 of 255ITU-R BT.601 weighting
Light or darkDark
Best text colour on this backgroundWhitecontrast 8.25:1
Contrast with white8.25:1WCAG normal text: AAA
Contrast with black2.55:1WCAG normal text: Fail
Greyscale equivalent#1F1F1F
Inverted#CCFC04

Colour vision & accessibility

Normal visionProtanopiaDeuteranopiaTritanopia
Protanopia#0059FFno red cones; affects about 1% of men; ΔE 40.3 from the original
Deuteranopia#0043F7no green cones; the most common form, about 1% of men; ΔE 27.9 from the original
Tritanopia#006994no blue cones; rare, and affects men and women equally; ΔE 114.3 from the original
Distinguishable without hueShifts in lightness toonever rely on hue alone to carry meaning
Contrast with white, large text8.25:1WCAG large text: AAA
Contrast with black, large text2.55:1WCAG large text: Fail

Named colours

Blue · ΔE 4.4Medium blue · ΔE 18.6Blue violet · ΔE 31.4Dark violet · ΔE 34Dark orchid · ΔE 46.6Dark blue · ΔE 48.5
Nearest named CSS colourBlue (#0000FF)ΔE 4.39, a close match
Hue familyblue
CSS keyword usableNo exact keyword

Colour harmonies

base+30°+90°+120°+180°+210°+240°+270°+330°
Complementary#CBFB03
Analogous#034FFB, #AF03FB
Triadic#FB3303, #03FB33
Split complementary#FBAF03, #4FFB03
Tetradic#FB034F, #CBFB03, #03FBAF

Tints, shades & saturation

+40%+30%+20%+10%base-10%-20%-30%-40%
Lighter +40%#D5CCFE
Lighter +30%#AD99FE
Lighter +20%#8467FD
Lighter +10%#5B34FD
Darker −10%#2902C9
Darker −20%#1F0296
Darker −30%#140164
Darker −40%#0A0131
More saturated +25%#3100FE
Less saturated −25%#4623DB

Channel breakdown

R51
G3
B251
Red51 (20%)
Green3 (1.2%)
Blue251 (98.4%)
Hue251.61°
Saturation (HSL)97.64%
Lightness49.8%
Dominant channelBlue
Hex per channelR 33 · G 03 · B FB

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Every value on this page was computed from “3303fb” by Nerdulator’s colour engine. Nothing here was retrieved from a database of answers or written by a model.