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Recognised as Colour

#040EE4

  • #040EE4
  • Blue
  • Dark
  • Nearest: Medium blue

#040EE4 is a blue with RGB values 4, 14, 228 and HSL 237°, 97%, 45%. It is a dark colour, so white text on it reaches 9.6:1 contrast (AAA for normal text). The nearest named colour is Medium blue.

Colour values

#040EE4#040EE4
HEX#040EE4
RGBrgb(4, 14, 228)
RGB (0–1)0.0157, 0.0549, 0.8941
RGB percentages1.6%, 5.5%, 89.4%
HSLhsl(237.3, 96.6%, 45.5%)
HSV / HSBhsv(237.3, 98.2%, 89.4%)
CMYK98.2%, 93.9%, 0%, 10.6%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer265,956
CSS custom property--colour: #040EE4;

Brightness & contrast

Relative luminance0.05941WCAG 2.x, 0 is black and 1 is white
Perceived brightness77.8 of 255ITU-R BT.601 weighting
Light or darkDark
Best text colour on this backgroundWhitecontrast 9.6:1
Contrast with white9.6:1WCAG normal text: AAA
Contrast with black2.19:1WCAG normal text: Fail
Greyscale equivalent#1B1B1B
Inverted#FBF11B

Colour vision & accessibility

Normal visionProtanopiaDeuteranopiaTritanopia
Protanopia#0050E9no red cones; affects about 1% of men; ΔE 35.3 from the original
Deuteranopia#0038E1no green cones; the most common form, about 1% of men; ΔE 21.3 from the original
Tritanopia#006186no blue cones; rare, and affects men and women equally; ΔE 107 from the original
Distinguishable without hueShifts in lightness toonever rely on hue alone to carry meaning
Contrast with white, large text9.6:1WCAG large text: AAA
Contrast with black, large text2.19:1WCAG large text: Fail

Named colours

Medium blue · ΔE 8.1Blue · ΔE 13.9Blue violet · ΔE 26.3Dark violet · ΔE 29.8Dark blue · ΔE 38Dark orchid · ΔE 40.4
Nearest named CSS colourMedium blue (#0000CD)ΔE 8.1, clearly different but related
Hue familyblue
CSS keyword usableNo exact keyword

Colour harmonies

base+30°+90°+120°+180°+210°+240°+270°+330°
Complementary#E4DA04
Analogous#047EE4, #6A04E4
Triadic#E4040E, #0EE404
Split complementary#E46A04, #7EE404
Tetradic#E4047E, #E4DA04, #04E46A

Tints, shades & saturation

+40%+30%+20%+10%base-10%-20%-30%-40%
Lighter +40%#B6B9FE
Lighter +30%#848AFD
Lighter +20%#525AFC
Lighter +10%#202AFB
Darker −10%#030BB2
Darker −20%#020880
Darker −30%#01054E
Darker −40%#00021C
More saturated +25%#000AE8
Less saturated −25%#2128C7

Channel breakdown

R4
G14
B228
Red4 (1.6%)
Green14 (5.5%)
Blue228 (89.4%)
Hue237.32°
Saturation (HSL)96.55%
Lightness45.49%
Dominant channelBlue
Hex per channelR 04 · G 0E · B E4

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Every value on this page was computed from “040ee4” by Nerdulator’s colour engine. Nothing here was retrieved from a database of answers or written by a model.