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Recognised as Colour

#273B70

  • #273B70
  • Blue
  • Dark
  • Nearest: Dark slateblue

#273B70 is a blue with RGB values 39, 59, 112 and HSL 224°, 48%, 30%. It is a dark colour, so white text on it reaches 10.8:1 contrast (AAA for normal text). The nearest named colour is Dark slateblue.

Colour values

#273B70#273B70
HEX#273B70
RGBrgb(39, 59, 112)
RGB (0–1)0.1529, 0.2314, 0.4392
RGB percentages15.3%, 23.1%, 43.9%
HSLhsl(223.6, 48.3%, 29.6%)
HSV / HSBhsv(223.6, 65.2%, 43.9%)
CMYK65.2%, 47.3%, 0%, 56.1%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer2,571,120
CSS custom property--colour: #273B70;

Brightness & contrast

Relative luminance0.04729WCAG 2.x, 0 is black and 1 is white
Perceived brightness62.7 of 255ITU-R BT.601 weighting
Light or darkDark
Best text colour on this backgroundWhitecontrast 10.79:1
Contrast with white10.79:1WCAG normal text: AAA
Contrast with black1.95:1WCAG normal text: Fail
Greyscale equivalent#3B3B3B
Inverted#D8C48F

Colour vision & accessibility

Normal visionProtanopiaDeuteranopiaTritanopia
Protanopia#224172no red cones; affects about 1% of men; ΔE 4.9 from the original
Deuteranopia#163A6Fno green cones; the most common form, about 1% of men; ΔE 3.1 from the original
Tritanopia#004750no blue cones; rare, and affects men and women equally; ΔE 34.4 from the original
Distinguishable without hueYesnever rely on hue alone to carry meaning
Contrast with white, large text10.79:1WCAG large text: AAA
Contrast with black, large text1.95:1WCAG large text: Fail

Named colours

Dark slateblue · ΔE 18.6Midnight blue · ΔE 28.7Steel blue · ΔE 30.3Rebecca purple · ΔE 36Dark slate grey · ΔE 37.2Slate grey · ΔE 37.3
Nearest named CSS colourDark slateblue (#483D8B)ΔE 18.59, a distinctly different colour
Hue familyblue
CSS keyword usableNo exact keyword

Colour harmonies

base+30°+90°+120°+180°+210°+240°+270°+330°
Complementary#705C27
Analogous#275F70, #372770
Triadic#70273B, #3B7027
Split complementary#703827, #5F7027
Tetradic#702760, #705C27, #277038

Tints, shades & saturation

+40%+30%+20%+10%base-10%-20%-30%-40%
Lighter +40%#8CA1D7
Lighter +30%#6681CA
Lighter +20%#4163BC
Lighter +10%#344F96
Darker −10%#1A274A
Darker −20%#0D1324
Darker −30%#000000
Darker −40%#000000
More saturated +25%#143283
Less saturated −25%#3A445D

Channel breakdown

R39
G59
B112
Red39 (15.3%)
Green59 (23.1%)
Blue112 (43.9%)
Hue223.56°
Saturation (HSL)48.34%
Lightness29.61%
Dominant channelBlue
Hex per channelR 27 · G 3B · B 70

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Every value on this page was computed from “273b70” by Nerdulator’s colour engine. Nothing here was retrieved from a database of answers or written by a model.