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Recognised as Colour

#0900F3

  • #0900F3
  • Blue
  • Dark
  • Nearest: Blue

#0900F3 is a blue with RGB values 9, 0, 243 and HSL 242°, 100%, 48%. It is a dark colour, so white text on it reaches 9.1:1 contrast (AAA for normal text). The nearest named colour is Blue.

Colour values

#0900F3#0900F3
HEX#0900F3
RGBrgb(9, 0, 243)
RGB (0–1)0.0353, 0, 0.9529
RGB percentages3.5%, 0%, 95.3%
HSLhsl(242.2, 100%, 47.6%)
HSV / HSBhsv(242.2, 100%, 95.3%)
CMYK96.3%, 100%, 0%, 4.7%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer590,067
CSS custom property--colour: #0900F3;

Brightness & contrast

Relative luminance0.06529WCAG 2.x, 0 is black and 1 is white
Perceived brightness82.2 of 255ITU-R BT.601 weighting
Light or darkDark
Best text colour on this backgroundWhitecontrast 9.11:1
Contrast with white9.11:1WCAG normal text: AAA
Contrast with black2.31:1WCAG normal text: Fail
Greyscale equivalent#131313
Inverted#F6FF0C

Colour vision & accessibility

Normal visionProtanopiaDeuteranopiaTritanopia
Protanopia#0054F8no red cones; affects about 1% of men; ΔE 38.9 from the original
Deuteranopia#003BF0no green cones; the most common form, about 1% of men; ΔE 24.5 from the original
Tritanopia#00668Eno blue cones; rare, and affects men and women equally; ΔE 114.5 from the original
Distinguishable without hueShifts in lightness toonever rely on hue alone to carry meaning
Contrast with white, large text9.11:1WCAG large text: AAA
Contrast with black, large text2.31:1WCAG large text: Fail

Named colours

Blue · ΔE 5.2Medium blue · ΔE 16.4Blue violet · ΔE 31.9Dark violet · ΔE 34.6Dark blue · ΔE 46.5Dark orchid · ΔE 46.8
Nearest named CSS colourBlue (#0000FF)ΔE 5.21, clearly different but related
Hue familyblue
CSS keyword usableNo exact keyword

Colour harmonies

base+30°+90°+120°+180°+210°+240°+270°+330°
Complementary#EAF300
Analogous#0071F3, #8200F3
Triadic#F30900, #00F309
Split complementary#F38300, #70F300
Tetradic#F30071, #EAF300, #00F382

Tints, shades & saturation

+40%+30%+20%+10%base-10%-20%-30%-40%
Lighter +40%#C2C0FF
Lighter +30%#918DFF
Lighter +20%#605AFF
Lighter +10%#2F27FF
Darker −10%#0700C0
Darker −20%#05008D
Darker −30%#03005A
Darker −40%#010027
More saturated +25%#0900F3
Less saturated −25%#251ED5

Channel breakdown

R9
G0
B243
Red9 (3.5%)
Green0 (0%)
Blue243 (95.3%)
Hue242.22°
Saturation (HSL)100%
Lightness47.65%
Dominant channelBlue
Hex per channelR 09 · G 00 · B F3

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Every value on this page was computed from “0900f3” by Nerdulator’s colour engine. Nothing here was retrieved from a database of answers or written by a model.