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Recognised as Colour

#273C68

  • #273C68
  • Blue
  • Dark
  • Nearest: Dark slateblue

#273C68 is a blue with RGB values 39, 60, 104 and HSL 221°, 45%, 28%. It is a dark colour, so white text on it reaches 10.9:1 contrast (AAA for normal text). The nearest named colour is Dark slateblue.

Colour values

#273C68#273C68
HEX#273C68
RGBrgb(39, 60, 104)
RGB (0–1)0.1529, 0.2353, 0.4078
RGB percentages15.3%, 23.5%, 40.8%
HSLhsl(220.6, 45.5%, 28%)
HSV / HSBhsv(220.6, 62.5%, 40.8%)
CMYK62.5%, 42.3%, 0%, 59.2%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer2,571,368
CSS custom property--colour: #273C68;

Brightness & contrast

Relative luminance0.04663WCAG 2.x, 0 is black and 1 is white
Perceived brightness61.7 of 255ITU-R BT.601 weighting
Light or darkDark
Best text colour on this backgroundWhitecontrast 10.87:1
Contrast with white10.87:1WCAG normal text: AAA
Contrast with black1.93:1WCAG normal text: Fail
Greyscale equivalent#3B3B3B
Inverted#D8C397

Colour vision & accessibility

Normal visionProtanopiaDeuteranopiaTritanopia
Protanopia#29406Ano red cones; affects about 1% of men; ΔE 2.4 from the original
Deuteranopia#203A67no green cones; the most common form, about 1% of men; ΔE 1.6 from the original
Tritanopia#00464Dno blue cones; rare, and affects men and women equally; ΔE 29.7 from the original
Distinguishable without hueYesnever rely on hue alone to carry meaning
Contrast with white, large text10.87:1WCAG large text: AAA
Contrast with black, large text1.93:1WCAG large text: Fail

Named colours

Dark slateblue · ΔE 24.2Steel blue · ΔE 29.1Dark slate grey · ΔE 31.3Slate grey · ΔE 33.6Midnight blue · ΔE 34.2Dim grey · ΔE 34.6
Nearest named CSS colourDark slateblue (#483D8B)ΔE 24.23, a distinctly different colour
Hue familyblue
CSS keyword usableNo exact keyword

Colour harmonies

base+30°+90°+120°+180°+210°+240°+270°+330°
Complementary#685327
Analogous#275C68, #332768
Triadic#68273C, #3C6827
Split complementary#683327, #5C6827
Tetradic#68275C, #685327, #276833

Tints, shades & saturation

+40%+30%+20%+10%base-10%-20%-30%-40%
Lighter +40%#88A0D3
Lighter +30%#6383C5
Lighter +20%#4367B2
Lighter +10%#35518D
Darker −10%#192743
Darker −20%#0B111E
Darker −30%#000000
Darker −40%#000000
More saturated +25%#15367A
Less saturated −25%#394256

Channel breakdown

R39
G60
B104
Red39 (15.3%)
Green60 (23.5%)
Blue104 (40.8%)
Hue220.62°
Saturation (HSL)45.45%
Lightness28.04%
Dominant channelBlue
Hex per channelR 27 · G 3C · B 68

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Every value on this page was computed from “273c68” by Nerdulator’s colour engine. Nothing here was retrieved from a database of answers or written by a model.