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Recognised as Colour

#224F73

  • #224F73
  • Blue
  • Dark
  • Nearest: Steel blue

#224F73 is a blue with RGB values 34, 79, 115 and HSL 207°, 54%, 29%. It is a dark colour, so white text on it reaches 8.6:1 contrast (AAA for normal text). The nearest named colour is Steel blue.

Colour values

#224F73#224F73
HEX#224F73
RGBrgb(34, 79, 115)
RGB (0–1)0.1333, 0.3098, 0.451
RGB percentages13.3%, 31%, 45.1%
HSLhsl(206.7, 54.4%, 29.2%)
HSV / HSBhsv(206.7, 70.4%, 45.1%)
CMYK70.4%, 31.3%, 0%, 54.9%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer2,248,563
CSS custom property--colour: #224F73;

Brightness & contrast

Relative luminance0.0717WCAG 2.x, 0 is black and 1 is white
Perceived brightness74.3 of 255ITU-R BT.601 weighting
Light or darkDark
Best text colour on this backgroundWhitecontrast 8.63:1
Contrast with white8.63:1WCAG normal text: AAA
Contrast with black2.43:1WCAG normal text: Fail
Greyscale equivalent#484848
Inverted#DDB08C

Colour vision & accessibility

Normal visionProtanopiaDeuteranopiaTritanopia
Protanopia#3F5075no red cones; affects about 1% of men; ΔE 7.4 from the original
Deuteranopia#344872no green cones; the most common form, about 1% of men; ΔE 8.4 from the original
Tritanopia#00585Cno blue cones; rare, and affects men and women equally; ΔE 24.3 from the original
Distinguishable without hueYesnever rely on hue alone to carry meaning
Contrast with white, large text8.63:1WCAG large text: AAA
Contrast with black, large text2.43:1WCAG large text: Fail

Named colours

Steel blue · ΔE 21.5Dark slate grey · ΔE 23.3Slate grey · ΔE 25.3Light slate grey · ΔE 27.6Dim grey · ΔE 28.1Gray · ΔE 33.1
Nearest named CSS colourSteel blue (#4682B4)ΔE 21.51, a distinctly different colour
Hue familyblue
CSS keyword usableNo exact keyword

Colour harmonies

base+30°+90°+120°+180°+210°+240°+270°+330°
Complementary#734622
Analogous#22736F, #222673
Triadic#73224F, #4F7322
Split complementary#732226, #736F22
Tetradic#6F2273, #734622, #267322

Tints, shades & saturation

+40%+30%+20%+10%base-10%-20%-30%-40%
Lighter +40%#86B5DB
Lighter +30%#5E9DD0
Lighter +20%#3985C2
Lighter +10%#2E6A9A
Darker −10%#16344C
Darker −20%#0B1924
Darker −30%#000000
Darker −40%#000000
More saturated +25%#0F5186
Less saturated −25%#354D60

Channel breakdown

R34
G79
B115
Red34 (13.3%)
Green79 (31%)
Blue115 (45.1%)
Hue206.67°
Saturation (HSL)54.36%
Lightness29.22%
Dominant channelBlue
Hex per channelR 22 · G 4F · B 73

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Every value on this page was computed from “224f73” by Nerdulator’s colour engine. Nothing here was retrieved from a database of answers or written by a model.