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Recognised as Colour

#040465

  • #040465
  • Blue
  • Dark
  • Nearest: Midnight blue

#040465 is a blue with RGB values 4, 4, 101 and HSL 240°, 92%, 21%. It is a dark colour, so white text on it reaches 17.3:1 contrast (AAA for normal text). The nearest named colour is Midnight blue.

Colour values

#040465#040465
HEX#040465
RGBrgb(4, 4, 101)
RGB (0–1)0.0157, 0.0157, 0.3961
RGB percentages1.6%, 1.6%, 39.6%
HSLhsl(240, 92.4%, 20.6%)
HSV / HSBhsv(240, 96%, 39.6%)
CMYK96%, 96%, 0%, 60.4%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer263,269
CSS custom property--colour: #040465;

Brightness & contrast

Relative luminance0.01052WCAG 2.x, 0 is black and 1 is white
Perceived brightness34.3 of 255ITU-R BT.601 weighting
Light or darkDark
Best text colour on this backgroundWhitecontrast 17.35:1
Contrast with white17.35:1WCAG normal text: AAA
Contrast with black1.21:1WCAG normal text: Fail
Greyscale equivalent#0B0B0B
Inverted#FBFB9A

Colour vision & accessibility

Normal visionProtanopiaDeuteranopiaTritanopia
Protanopia#001F67no red cones; affects about 1% of men; ΔE 18.9 from the original
Deuteranopia#001564no green cones; the most common form, about 1% of men; ΔE 11.8 from the original
Tritanopia#002739no blue cones; rare, and affects men and women equally; ΔE 57.6 from the original
Distinguishable without hueShifts in lightness toonever rely on hue alone to carry meaning
Contrast with white, large text17.35:1WCAG large text: AAA
Contrast with black, large text1.21:1WCAG large text: Fail

Named colours

Midnight blue · ΔE 9.6Navy · ΔE 15.4Indigo · ΔE 17.6Dark blue · ΔE 20.7Rebecca purple · ΔE 24.7Dark slateblue · ΔE 26.9
Nearest named CSS colourMidnight blue (#191970)ΔE 9.64, clearly different but related
Hue familyblue
CSS keyword usableNo exact keyword

Colour harmonies

base+30°+90°+120°+180°+210°+240°+270°+330°
Complementary#656504
Analogous#043565, #350465
Triadic#650404, #046504
Split complementary#653504, #356504
Tetradic#650435, #656504, #046535

Tints, shades & saturation

+40%+30%+20%+10%base-10%-20%-30%-40%
Lighter +40%#3E3EF7
Lighter +30%#0D0DF5
Lighter +20%#0808C7
Lighter +10%#060696
Darker −10%#020234
Darker −20%#000003
Darker −30%#000000
Darker −40%#000000
More saturated +25%#000069
Less saturated −25%#111158

Channel breakdown

R4
G4
B101
Red4 (1.6%)
Green4 (1.6%)
Blue101 (39.6%)
Hue240°
Saturation (HSL)92.38%
Lightness20.59%
Dominant channelBlue
Hex per channelR 04 · G 04 · B 65

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Every value on this page was computed from “hex 040465” by Nerdulator’s colour engine. Nothing here was retrieved from a database of answers or written by a model.