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Recognised as Colour

#05179A

  • #05179A
  • Blue
  • Dark
  • Nearest: Dark blue

#05179A is a blue with RGB values 5, 23, 154 and HSL 233°, 94%, 31%. It is a dark colour, so white text on it reaches 13.2:1 contrast (AAA for normal text). The nearest named colour is Dark blue.

Colour values

#05179A#05179A
HEX#05179A
RGBrgb(5, 23, 154)
RGB (0–1)0.0196, 0.0902, 0.6039
RGB percentages2%, 9%, 60.4%
HSLhsl(232.8, 93.7%, 31.2%)
HSV / HSBhsv(232.8, 96.8%, 60.4%)
CMYK96.8%, 85.1%, 0%, 39.6%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer333,722
CSS custom property--colour: #05179A;

Brightness & contrast

Relative luminance0.02978WCAG 2.x, 0 is black and 1 is white
Perceived brightness55 of 255ITU-R BT.601 weighting
Light or darkDark
Best text colour on this backgroundWhitecontrast 13.16:1
Contrast with white13.16:1WCAG normal text: AAA
Contrast with black1.6:1WCAG normal text: Fail
Greyscale equivalent#1D1D1D
Inverted#FAE865

Colour vision & accessibility

Normal visionProtanopiaDeuteranopiaTritanopia
Protanopia#00389Dno red cones; affects about 1% of men; ΔE 23.2 from the original
Deuteranopia#002898no green cones; the most common form, about 1% of men; ΔE 12.5 from the original
Tritanopia#00435Bno blue cones; rare, and affects men and women equally; ΔE 74.6 from the original
Distinguishable without hueShifts in lightness toonever rely on hue alone to carry meaning
Contrast with white, large text13.16:1WCAG large text: AAA
Contrast with black, large text1.6:1WCAG large text: Fail

Named colours

Dark blue · ΔE 6.7Navy · ΔE 8.5Indigo · ΔE 16.9Midnight blue · ΔE 24.9Rebecca purple · ΔE 25.9Slate blue · ΔE 29.7
Nearest named CSS colourDark blue (#00008B)ΔE 6.67, clearly different but related
Hue familyblue
CSS keyword usableNo exact keyword

Colour harmonies

base+30°+90°+120°+180°+210°+240°+270°+330°
Complementary#9A8805
Analogous#05629A, #3D059A
Triadic#9A0517, #179A05
Split complementary#9A3D05, #629A05
Tetradic#9A0562, #9A8805, #059A3D

Tints, shades & saturation

+40%+30%+20%+10%base-10%-20%-30%-40%
Lighter +40%#7181FA
Lighter +30%#3F56F9
Lighter +20%#0E2AF7
Lighter +10%#071ECB
Darker −10%#031069
Darker −20%#020837
Darker −30%#000106
Darker −40%#000000
More saturated +25%#00139F
Less saturated −25%#192686

Channel breakdown

R5
G23
B154
Red5 (2%)
Green23 (9%)
Blue154 (60.4%)
Hue232.75°
Saturation (HSL)93.71%
Lightness31.18%
Dominant channelBlue
Hex per channelR 05 · G 17 · B 9A

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Every value on this page was computed from “05179a” by Nerdulator’s colour engine. Nothing here was retrieved from a database of answers or written by a model.