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Recognised as Colour

#040B75

  • #040B75
  • Blue
  • Dark
  • Nearest: Navy

#040B75 is a blue with RGB values 4, 11, 117 and HSL 236°, 93%, 24%. It is a dark colour, so white text on it reaches 16:1 contrast (AAA for normal text). The nearest named colour is Navy.

Colour values

#040B75#040B75
HEX#040B75
RGBrgb(4, 11, 117)
RGB (0–1)0.0157, 0.0431, 0.4588
RGB percentages1.6%, 4.3%, 45.9%
HSLhsl(236.3, 93.4%, 23.7%)
HSV / HSBhsv(236.3, 96.6%, 45.9%)
CMYK96.6%, 90.6%, 0%, 54.1%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer265,077
CSS custom property--colour: #040B75;

Brightness & contrast

Relative luminance0.0155WCAG 2.x, 0 is black and 1 is white
Perceived brightness40.5 of 255ITU-R BT.601 weighting
Light or darkDark
Best text colour on this backgroundWhitecontrast 16.03:1
Contrast with white16.03:1WCAG normal text: AAA
Contrast with black1.31:1WCAG normal text: Fail
Greyscale equivalent#111111
Inverted#FBF48A

Colour vision & accessibility

Normal visionProtanopiaDeuteranopiaTritanopia
Protanopia#002778no red cones; affects about 1% of men; ΔE 19.4 from the original
Deuteranopia#001B73no green cones; the most common form, about 1% of men; ΔE 11.7 from the original
Tritanopia#003043no blue cones; rare, and affects men and women equally; ΔE 62.8 from the original
Distinguishable without hueShifts in lightness toonever rely on hue alone to carry meaning
Contrast with white, large text16.03:1WCAG large text: AAA
Contrast with black, large text1.31:1WCAG large text: Fail

Named colours

Navy · ΔE 10.4Midnight blue · ΔE 11.8Indigo · ΔE 14.8Dark blue · ΔE 15.4Rebecca purple · ΔE 22.8Dark slateblue · ΔE 27.5
Nearest named CSS colourNavy (#000080)ΔE 10.41, a distinctly different colour
Hue familyblue
CSS keyword usableNo exact keyword

Colour harmonies

base+30°+90°+120°+180°+210°+240°+270°+330°
Complementary#756E04
Analogous#044375, #360475
Triadic#75040B, #0B7504
Split complementary#753604, #437504
Tetradic#750443, #756E04, #047536

Tints, shades & saturation

+40%+30%+20%+10%base-10%-20%-30%-40%
Lighter +40%#4C57F9
Lighter +30%#1B28F7
Lighter +20%#0714D8
Lighter +10%#0610A6
Darker −10%#020644
Darker −20%#010212
Darker −30%#000000
Darker −40%#000000
More saturated +25%#000779
Less saturated −25%#131866

Channel breakdown

R4
G11
B117
Red4 (1.6%)
Green11 (4.3%)
Blue117 (45.9%)
Hue236.28°
Saturation (HSL)93.39%
Lightness23.73%
Dominant channelBlue
Hex per channelR 04 · G 0B · B 75

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Every value on this page was computed from “040b75” by Nerdulator’s colour engine. Nothing here was retrieved from a database of answers or written by a model.