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Colour

#0043F9

  • #0043F9
  • Blue
  • Dark
  • Nearest: Medium blue

#0043F9 is a blue with RGB values 0, 67, 249 and HSL 224°, 100%, 49%. It is a dark colour, so white text on it reaches 6.6:1 contrast (AA for normal text). The nearest named colour is Medium blue.

Colour values

#0043F9#0043F9
HEX#0043F9
RGBrgb(0, 67, 249)
RGB (0–1)0, 0.2627, 0.9765
RGB percentages0%, 26.3%, 97.6%
HSLhsl(223.9, 100%, 48.8%)
HSV / HSBhsv(223.9, 100%, 97.6%)
CMYK100%, 73.1%, 0%, 2.4%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer17,401
CSS custom property--colour: #0043F9;

Brightness & contrast

Relative luminance0.10854WCAG 2.x, 0 is black and 1 is white
Perceived brightness98.5 of 255ITU-R BT.601 weighting
Light or darkDark
Best text colour on this backgroundWhitecontrast 6.62:1
Contrast with white6.62:1WCAG normal text: AA
Contrast with black3.17:1WCAG normal text: Fail
Greyscale equivalent#424242
Inverted#FFBC06

Colour vision & accessibility

Normal visionProtanopiaDeuteranopiaTritanopia
Protanopia#0068FEno red cones; affects about 1% of men; ΔE 25.7 from the original
Deuteranopia#0051F6no green cones; the most common form, about 1% of men; ΔE 11.6 from the original
Tritanopia#00799Bno blue cones; rare, and affects men and women equally; ΔE 96.9 from the original
Distinguishable without hueShifts in lightness toonever rely on hue alone to carry meaning
Contrast with white, large text6.62:1WCAG large text: AAA
Contrast with black, large text3.17:1WCAG large text: AA

Named colours

Medium blue · ΔE 19.3Blue violet · ΔE 23.9Blue · ΔE 29.9Dark violet · ΔE 31.4Medium slateblue · ΔE 33Dark blue · ΔE 34.6
Nearest named CSS colourMedium blue (#0000CD)ΔE 19.28, a distinctly different colour
Hue familyblue
CSS keyword usableNo exact keyword

Colour harmonies

base+30°+90°+120°+180°+210°+240°+270°+330°
Complementary#F9B600
Analogous#00BFF9, #3A00F9
Triadic#F90043, #43F900
Split complementary#F93A00, #BFF900
Tetradic#F900BF, #F9B600, #00F93A

Tints, shades & saturation

+40%+30%+20%+10%base-10%-20%-30%-40%
Lighter +40%#C6D5FF
Lighter +30%#93B0FF
Lighter +20%#608BFF
Lighter +10%#2D66FF
Darker −10%#0035C6
Darker −20%#002893
Darker −30%#001A60
Darker −40%#000C2D
More saturated +25%#0043F9
Less saturated −25%#1F51DA

Channel breakdown

R0
G67
B249
Red0 (0%)
Green67 (26.3%)
Blue249 (97.6%)
Hue223.86°
Saturation (HSL)100%
Lightness48.82%
Dominant channelBlue
Hex per channelR 00 · G 43 · B F9

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Every value on this page was computed from “0043f9” by Nerdulator’s colour engine. Nothing here was retrieved from a database of answers or written by a model.