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Recognised as Colour

#273A44

  • #273A44
  • Blue
  • Dark
  • Nearest: Dark slate grey

#273A44 is a blue with RGB values 39, 58, 68 and HSL 201°, 27%, 21%. It is a dark colour, so white text on it reaches 11.8:1 contrast (AAA for normal text). The nearest named colour is Dark slate grey.

Colour values

#273A44#273A44
HEX#273A44
RGBrgb(39, 58, 68)
RGB (0–1)0.1529, 0.2275, 0.2667
RGB percentages15.3%, 22.7%, 26.7%
HSLhsl(200.7, 27.1%, 21%)
HSV / HSBhsv(200.7, 42.6%, 26.7%)
CMYK42.6%, 14.7%, 0%, 73.3%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer2,570,820
CSS custom property--colour: #273A44;

Brightness & contrast

Relative luminance0.03875WCAG 2.x, 0 is black and 1 is white
Perceived brightness54.4 of 255ITU-R BT.601 weighting
Light or darkDark
Best text colour on this backgroundWhitecontrast 11.83:1
Contrast with white11.83:1WCAG normal text: AAA
Contrast with black1.77:1WCAG normal text: Fail
Greyscale equivalent#373737
Inverted#D8C5BB

Colour vision & accessibility

Normal visionProtanopiaDeuteranopiaTritanopia
Protanopia#353945no red cones; affects about 1% of men; ΔE 6.1 from the original
Deuteranopia#313644no green cones; the most common form, about 1% of men; ΔE 6.3 from the original
Tritanopia#1C3D3Dno blue cones; rare, and affects men and women equally; ΔE 8.9 from the original
Distinguishable without hueYesnever rely on hue alone to carry meaning
Contrast with white, large text11.83:1WCAG large text: AAA
Contrast with black, large text1.77:1WCAG large text: Fail

Named colours

Dark slate grey · ΔE 11.8Dim grey · ΔE 23.3Black · ΔE 25.2Slate grey · ΔE 29.7Gray · ΔE 31.9Light slate grey · ΔE 32.8
Nearest named CSS colourDark slate grey (#2F4F4F)ΔE 11.79, a distinctly different colour
Hue familyblue
CSS keyword usableNo exact keyword

Colour harmonies

base+30°+90°+120°+180°+210°+240°+270°+330°
Complementary#443127
Analogous#274440, #272B44
Triadic#44273A, #3A4427
Split complementary#44272B, #444027
Tetradic#402744, #443127, #2B4427

Tints, shades & saturation

+40%+30%+20%+10%base-10%-20%-30%-40%
Lighter +40%#81A4B6
Lighter +30%#608DA4
Lighter +20%#4C7185
Lighter +10%#3A5664
Darker −10%#141E24
Darker −20%#020303
Darker −30%#000000
Darker −40%#000000
More saturated +25%#1A3E51
Less saturated −25%#343637

Channel breakdown

R39
G58
B68
Red39 (15.3%)
Green58 (22.7%)
Blue68 (26.7%)
Hue200.69°
Saturation (HSL)27.1%
Lightness20.98%
Dominant channelBlue
Hex per channelR 27 · G 3A · B 44

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Every value on this page was computed from “273a44” by Nerdulator’s colour engine. Nothing here was retrieved from a database of answers or written by a model.