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Colour

#274C73

  • #274C73
  • Blue
  • Dark
  • Nearest: Steel blue

#274C73 is a blue with RGB values 39, 76, 115 and HSL 211°, 49%, 30%. It is a dark colour, so white text on it reaches 8.9:1 contrast (AAA for normal text). The nearest named colour is Steel blue.

Colour values

#274C73#274C73
HEX#274C73
RGBrgb(39, 76, 115)
RGB (0–1)0.1529, 0.298, 0.451
RGB percentages15.3%, 29.8%, 45.1%
HSLhsl(210.8, 49.4%, 30.2%)
HSV / HSBhsv(210.8, 66.1%, 45.1%)
CMYK66.1%, 33.9%, 0%, 54.9%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer2,575,475
CSS custom property--colour: #274C73;

Brightness & contrast

Relative luminance0.06838WCAG 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 8.87:1
Contrast with white8.87:1WCAG normal text: AAA
Contrast with black2.37:1WCAG normal text: Fail
Greyscale equivalent#474747
Inverted#D8B38C

Colour vision & accessibility

Normal visionProtanopiaDeuteranopiaTritanopia
Protanopia#3B4E75no red cones; affects about 1% of men; ΔE 4.9 from the original
Deuteranopia#314772no green cones; the most common form, about 1% of men; ΔE 5.4 from the original
Tritanopia#00555Ano blue cones; rare, and affects men and women equally; ΔE 26.3 from the original
Distinguishable without hueYesnever rely on hue alone to carry meaning
Contrast with white, large text8.87:1WCAG large text: AAA
Contrast with black, large text2.37:1WCAG large text: Fail

Named colours

Steel blue · ΔE 22.2Dark slate grey · ΔE 25.5Slate grey · ΔE 26.7Light slate grey · ΔE 28.9Dim grey · ΔE 29.3Dark slateblue · ΔE 30.3
Nearest named CSS colourSteel blue (#4682B4)ΔE 22.25, a distinctly different colour
Hue familyblue
CSS keyword usableNo exact keyword

Colour harmonies

base+30°+90°+120°+180°+210°+240°+270°+330°
Complementary#734E27
Analogous#277273, #282773
Triadic#73274C, #4C7327
Split complementary#732827, #727327
Tetradic#732772, #734E27, #277328

Tints, shades & saturation

+40%+30%+20%+10%base-10%-20%-30%-40%
Lighter +40%#8DB2D9
Lighter +30%#6798CC
Lighter +20%#417EBF
Lighter +10%#346599
Darker −10%#1A334D
Darker −20%#0D1A27
Darker −30%#000001
Darker −40%#000000
More saturated +25%#144B86
Less saturated −25%#3A4D60

Channel breakdown

R39
G76
B115
Red39 (15.3%)
Green76 (29.8%)
Blue115 (45.1%)
Hue210.79°
Saturation (HSL)49.35%
Lightness30.2%
Dominant channelBlue
Hex per channelR 27 · G 4C · B 73

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Every value on this page was computed from “274c73” by Nerdulator’s colour engine. Nothing here was retrieved from a database of answers or written by a model.