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Colour

#0540AC

  • #0540AC
  • Blue
  • Dark
  • Nearest: Slate blue

#0540AC is a blue with RGB values 5, 64, 172 and HSL 219°, 94%, 35%. It is a dark colour, so white text on it reaches 9:1 contrast (AAA for normal text). The nearest named colour is Slate blue.

Colour values

#0540AC#0540AC
HEX#0540AC
RGBrgb(5, 64, 172)
RGB (0–1)0.0196, 0.251, 0.6745
RGB percentages2%, 25.1%, 67.5%
HSLhsl(218.8, 94.4%, 34.7%)
HSV / HSBhsv(218.8, 97.1%, 67.5%)
CMYK97.1%, 62.8%, 0%, 32.5%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer344,236
CSS custom property--colour: #0540AC;

Brightness & contrast

Relative luminance0.06678WCAG 2.x, 0 is black and 1 is white
Perceived brightness76.1 of 255ITU-R BT.601 weighting
Light or darkDark
Best text colour on this backgroundWhitecontrast 8.99:1
Contrast with white8.99:1WCAG normal text: AAA
Contrast with black2.34:1WCAG normal text: Fail
Greyscale equivalent#3B3B3B
Inverted#FABF53

Colour vision & accessibility

Normal visionProtanopiaDeuteranopiaTritanopia
Protanopia#0051B0no red cones; affects about 1% of men; ΔE 12.6 from the original
Deuteranopia#0042AAno green cones; the most common form, about 1% of men; ΔE 2.9 from the original
Tritanopia#005D70no blue cones; rare, and affects men and women equally; ΔE 62.7 from the original
Distinguishable without hueShifts in lightness toonever rely on hue alone to carry meaning
Contrast with white, large text8.99:1WCAG large text: AAA
Contrast with black, large text2.34:1WCAG large text: Fail

Named colours

Slate blue · ΔE 16.9Royal blue · ΔE 17.2Dark slateblue · ΔE 19.9Midnight blue · ΔE 19.9Rebecca purple · ΔE 21.1Medium slateblue · ΔE 25.1
Nearest named CSS colourSlate blue (#6A5ACD)ΔE 16.95, a distinctly different colour
Hue familyblue
CSS keyword usableNo exact keyword

Colour harmonies

base+30°+90°+120°+180°+210°+240°+270°+330°
Complementary#AC7105
Analogous#0594AC, #1D05AC
Triadic#AC0540, #40AC05
Split complementary#AC1D05, #94AC05
Tetradic#AC0594, #AC7105, #05AC1D

Tints, shades & saturation

+40%+30%+20%+10%base-10%-20%-30%-40%
Lighter +40%#82ADFB
Lighter +30%#508CFA
Lighter +20%#1F6CF8
Lighter +10%#0652DE
Darker −10%#042E7A
Darker −20%#021B49
Darker −30%#010917
Darker −40%#000000
More saturated +25%#003FB1
Less saturated −25%#1B4696

Channel breakdown

R5
G64
B172
Red5 (2%)
Green64 (25.1%)
Blue172 (67.5%)
Hue218.8°
Saturation (HSL)94.35%
Lightness34.71%
Dominant channelBlue
Hex per channelR 05 · G 40 · B AC

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Every value on this page was computed from “0540ac” by Nerdulator’s colour engine. Nothing here was retrieved from a database of answers or written by a model.