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Recognised as Colour

#05018C

  • #05018C
  • Blue
  • Dark
  • Nearest: Dark blue

#05018C is a blue with RGB values 5, 1, 140 and HSL 242°, 99%, 28%. It is a dark colour, so white text on it reaches 15.1:1 contrast (AAA for normal text). The nearest named colour is Dark blue.

Colour values

#05018C#05018C
HEX#05018C
RGBrgb(5, 1, 140)
RGB (0–1)0.0196, 0.0039, 0.549
RGB percentages2%, 0.4%, 54.9%
HSLhsl(241.7, 98.6%, 27.6%)
HSV / HSBhsv(241.7, 99.3%, 54.9%)
CMYK96.4%, 99.3%, 0%, 45.1%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer328,076
CSS custom property--colour: #05018C;

Brightness & contrast

Relative luminance0.01947WCAG 2.x, 0 is black and 1 is white
Perceived brightness47.4 of 255ITU-R BT.601 weighting
Light or darkDark
Best text colour on this backgroundWhitecontrast 15.11:1
Contrast with white15.11:1WCAG normal text: AAA
Contrast with black1.39:1WCAG normal text: Fail
Greyscale equivalent#0C0C0C
Inverted#FAFE73

Colour vision & accessibility

Normal visionProtanopiaDeuteranopiaTritanopia
Protanopia#002D8Fno red cones; affects about 1% of men; ΔE 25.6 from the original
Deuteranopia#001E8Ano green cones; the most common form, about 1% of men; ΔE 16.1 from the original
Tritanopia#003850no blue cones; rare, and affects men and women equally; ΔE 75.6 from the original
Distinguishable without hueShifts in lightness toonever rely on hue alone to carry meaning
Contrast with white, large text15.11:1WCAG large text: AAA
Contrast with black, large text1.39:1WCAG large text: Fail

Named colours

Dark blue · ΔE 0.5Navy · ΔE 5.3Indigo · ΔE 16.2Midnight blue · ΔE 26.6Rebecca purple · ΔE 28.8Medium blue · ΔE 30.1
Nearest named CSS colourDark blue (#00008B)ΔE 0.47, indistinguishable to the eye
Hue familyblue
CSS keyword usableNo exact keyword

Colour harmonies

base+30°+90°+120°+180°+210°+240°+270°+330°
Complementary#888C01
Analogous#01438C, #4A018C
Triadic#8C0501, #018C05
Split complementary#8C4A01, #438C01
Tetradic#8C0143, #888C01, #018C4A

Tints, shades & saturation

+40%+30%+20%+10%base-10%-20%-30%-40%
Lighter +40%#605BFE
Lighter +30%#2F29FD
Lighter +20%#0902F1
Lighter +10%#0701BF
Darker −10%#030159
Darker −20%#010027
Darker −30%#000000
Darker −40%#000000
More saturated +25%#04008D
Less saturated −25%#16137A

Channel breakdown

R5
G1
B140
Red5 (2%)
Green1 (0.4%)
Blue140 (54.9%)
Hue241.73°
Saturation (HSL)98.58%
Lightness27.65%
Dominant channelBlue
Hex per channelR 05 · G 01 · B 8C

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Every value on this page was computed from “05018c” by Nerdulator’s colour engine. Nothing here was retrieved from a database of answers or written by a model.