Nerdulator> put something in

Colour

#040440

  • #040440
  • Blue
  • Dark
  • Nearest: Midnight blue

#040440 is a blue with RGB values 4, 4, 64 and HSL 240°, 88%, 13%. It is a dark colour, so white text on it reaches 19.2:1 contrast (AAA for normal text). The nearest named colour is Midnight blue.

Colour values

#040440#040440
HEX#040440
RGBrgb(4, 4, 64)
RGB (0–1)0.0157, 0.0157, 0.251
RGB percentages1.6%, 1.6%, 25.1%
HSLhsl(240, 88.2%, 13.3%)
HSV / HSBhsv(240, 93.8%, 25.1%)
CMYK93.8%, 93.8%, 0%, 74.9%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer263,232
CSS custom property--colour: #040440;

Brightness & contrast

Relative luminance0.00483WCAG 2.x, 0 is black and 1 is white
Perceived brightness21.9 of 255ITU-R BT.601 weighting
Light or darkDark
Best text colour on this backgroundWhitecontrast 19.15:1
Contrast with white19.15:1WCAG normal text: AAA
Contrast with black1.1:1WCAG normal text: Fail
Greyscale equivalent#080808
Inverted#FBFBBF

Colour vision & accessibility

Normal visionProtanopiaDeuteranopiaTritanopia
Protanopia#001242no red cones; affects about 1% of men; ΔE 8.6 from the original
Deuteranopia#000C3Fno green cones; the most common form, about 1% of men; ΔE 5.9 from the original
Tritanopia#001723no blue cones; rare, and affects men and women equally; ΔE 36.2 from the original
Distinguishable without hueYesnever rely on hue alone to carry meaning
Contrast with white, large text19.15:1WCAG large text: AAA
Contrast with black, large text1.1:1WCAG large text: Fail

Named colours

Midnight blue · ΔE 20.1Dark slateblue · ΔE 27.4Rebecca purple · ΔE 36.8Indigo · ΔE 37.6Navy · ΔE 39.1Black · ΔE 42.6
Nearest named CSS colourMidnight blue (#191970)ΔE 20.06, a distinctly different colour
Hue familyblue
CSS keyword usableNo exact keyword

Colour harmonies

base+30°+90°+120°+180°+210°+240°+270°+330°
Complementary#404004
Analogous#042240, #220440
Triadic#400404, #044004
Split complementary#402204, #224004
Tetradic#400422, #404004, #044022

Tints, shades & saturation

+40%+30%+20%+10%base-10%-20%-30%-40%
Lighter +40%#1F1FF1
Lighter +30%#0D0DD0
Lighter +20%#0A0AA0
Lighter +10%#070770
Darker −10%#010110
Darker −20%#000000
Darker −30%#000000
Darker −40%#000000
More saturated +25%#000044
Less saturated −25%#0D0D38

Channel breakdown

R4
G4
B64
Red4 (1.6%)
Green4 (1.6%)
Blue64 (25.1%)
Hue240°
Saturation (HSL)88.24%
Lightness13.33%
Dominant channelBlue
Hex per channelR 04 · G 04 · B 40

Keep nerding

Every link below is a page Nerdulator can generate from what it already knows about this value.

Nerdulate something else

Nothing in mind? Surprise me · today’s page

Every value on this page was computed from “hex 040440” by Nerdulator’s colour engine. Nothing here was retrieved from a database of answers or written by a model.