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Recognised as Colour

#40299F

  • #40299F
  • Blue
  • Dark
  • Nearest: Indigo

#40299F is a blue with RGB values 64, 41, 159 and HSL 252°, 59%, 39%. It is a dark colour, so white text on it reaches 10.3:1 contrast (AAA for normal text). The nearest named colour is Indigo.

Colour values

#40299F#40299F
HEX#40299F
RGBrgb(64, 41, 159)
RGB (0–1)0.251, 0.1608, 0.6235
RGB percentages25.1%, 16.1%, 62.4%
HSLhsl(251.7, 59%, 39.2%)
HSV / HSBhsv(251.7, 74.2%, 62.4%)
CMYK59.7%, 74.2%, 0%, 37.6%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer4,204,959
CSS custom property--colour: #40299F;

Brightness & contrast

Relative luminance0.05179WCAG 2.x, 0 is black and 1 is white
Perceived brightness71.4 of 255ITU-R BT.601 weighting
Light or darkDark
Best text colour on this backgroundWhitecontrast 10.32:1
Contrast with white10.32:1WCAG normal text: AAA
Contrast with black2.04:1WCAG normal text: Fail
Greyscale equivalent#363636
Inverted#BFD660

Colour vision & accessibility

Protanopia#0044A2no red cones; affects about 1% of men; ΔE 22.9 from the original
Deuteranopia#003C9Dno green cones; the most common form, about 1% of men; ΔE 18.9 from the original
Tritanopia#024A62no blue cones; rare, and affects men and women equally; ΔE 66.9 from the original
Distinguishable without hueShifts in lightness toonever rely on hue alone to carry meaning
Contrast with white, large text10.32:1WCAG large text: AAA
Contrast with black, large text2.04:1WCAG large text: Fail

Named colours

Nearest named CSS colourIndigo (#4B0082)ΔE 13.06, a distinctly different colour
Hue familyblue
CSS keyword usableNo exact keyword

Colour harmonies

Complementary#889F29
Analogous#294D9F, #7B299F
Triadic#9F4029, #299F40
Split complementary#9F7B29, #4D9F29
Tetradic#9F294D, #889F29, #299F7B

Tints, shades & saturation

Lighter +40%#B7ABE9
Lighter +30%#9482DF
Lighter +20%#725AD4
Lighter +10%#5033C8
Darker −10%#301F76
Darker −20%#1F144E
Darker −30%#0F0A25
Darker −40%#000000
More saturated +25%#3110B8
Less saturated −25%#4F4286

Channel breakdown

R64
G41
B159
Red64 (25.1%)
Green41 (16.1%)
Blue159 (62.4%)
Hue251.69°
Saturation (HSL)59%
Lightness39.22%
Dominant channelBlue
Hex per channelR 40 · G 29 · B 9F

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Every value on this page was computed from “40299f” by Nerdulator’s colour engine. Nothing here was retrieved from a database of answers or written by a model.