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Recognised as Colour

#005173

  • #005173
  • Cyan
  • Dark
  • Nearest: Steel blue

#005173 is a cyan with RGB values 0, 81, 115 and HSL 198°, 100%, 23%. It is a dark colour, so white text on it reaches 8.7:1 contrast (AAA for normal text). The nearest named colour is Steel blue.

Colour values

#005173#005173
HEX#005173
RGBrgb(0, 81, 115)
RGB (0–1)0, 0.3176, 0.451
RGB percentages0%, 31.8%, 45.1%
HSLhsl(197.7, 100%, 22.5%)
HSV / HSBhsv(197.7, 100%, 45.1%)
CMYK100%, 29.6%, 0%, 54.9%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer20,851
CSS custom property--colour: #005173;

Brightness & contrast

Relative luminance0.07123WCAG 2.x, 0 is black and 1 is white
Perceived brightness73.2 of 255ITU-R BT.601 weighting
Light or darkDark
Best text colour on this backgroundWhitecontrast 8.66:1
Contrast with white8.66:1WCAG normal text: AAA
Contrast with black2.42:1WCAG normal text: Fail
Greyscale equivalent#424242
Inverted#FFAE8C

Colour vision & accessibility

Normal visionProtanopiaDeuteranopiaTritanopia
Protanopia#405175no red cones; affects about 1% of men; ΔE 12.1 from the original
Deuteranopia#324772no green cones; the most common form, about 1% of men; ΔE 13.6 from the original
Tritanopia#005A5Dno blue cones; rare, and affects men and women equally; ΔE 21.9 from the original
Distinguishable without hueShifts in lightness toonever rely on hue alone to carry meaning
Contrast with white, large text8.66:1WCAG large text: AAA
Contrast with black, large text2.42:1WCAG large text: Fail

Named colours

Steel blue · ΔE 21.8Dark slate grey · ΔE 22Slate grey · ΔE 26.1Light slate grey · ΔE 28.3Dim grey · ΔE 29.3Teal · ΔE 31.5
Nearest named CSS colourSteel blue (#4682B4)ΔE 21.81, a distinctly different colour
Hue familycyan
CSS keyword usableNo exact keyword

Colour harmonies

base+30°+90°+120°+180°+210°+240°+270°+330°
Complementary#732200
Analogous#00735C, #001773
Triadic#730051, #517300
Split complementary#730017, #735C00
Tetradic#5C0073, #732200, #177300

Tints, shades & saturation

+40%+30%+20%+10%base-10%-20%-30%-40%
Lighter +40%#40C7FF
Lighter +30%#0DB7FF
Lighter +20%#0099D9
Lighter +10%#0075A6
Darker −10%#002D40
Darker −20%#00090D
Darker −30%#000000
Darker −40%#000000
More saturated +25%#005173
Less saturated −25%#0E4B65

Channel breakdown

R0
G81
B115
Red0 (0%)
Green81 (31.8%)
Blue115 (45.1%)
Hue197.74°
Saturation (HSL)100%
Lightness22.55%
Dominant channelBlue
Hex per channelR 00 · G 51 · B 73

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Every value on this page was computed from “hex 005173” by Nerdulator’s colour engine. Nothing here was retrieved from a database of answers or written by a model.