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Recognised as Colour

#2736B2

  • #2736B2
  • Blue
  • Dark
  • Nearest: Slate blue

#2736B2 is a blue with RGB values 39, 54, 178 and HSL 234°, 64%, 43%. It is a dark colour, so white text on it reaches 9.3:1 contrast (AAA for normal text). The nearest named colour is Slate blue.

Colour values

#2736B2#2736B2
HEX#2736B2
RGBrgb(39, 54, 178)
RGB (0–1)0.1529, 0.2118, 0.698
RGB percentages15.3%, 21.2%, 69.8%
HSLhsl(233.5, 64.1%, 42.5%)
HSV / HSBhsv(233.5, 78.1%, 69.8%)
CMYK78.1%, 69.7%, 0%, 30.2%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer2,569,906
CSS custom property--colour: #2736B2;

Brightness & contrast

Relative luminance0.06284WCAG 2.x, 0 is black and 1 is white
Perceived brightness76 of 255ITU-R BT.601 weighting
Light or darkDark
Best text colour on this backgroundWhitecontrast 9.31:1
Contrast with white9.31:1WCAG normal text: AAA
Contrast with black2.26:1WCAG normal text: Fail
Greyscale equivalent#3C3C3C
Inverted#D8C94D

Colour vision & accessibility

Normal visionProtanopiaDeuteranopiaTritanopia
Protanopia#004EB6no red cones; affects about 1% of men; ΔE 18.6 from the original
Deuteranopia#0040B0no green cones; the most common form, about 1% of men; ΔE 10 from the original
Tritanopia#005870no blue cones; rare, and affects men and women equally; ΔE 70.1 from the original
Distinguishable without hueShifts in lightness toonever rely on hue alone to carry meaning
Contrast with white, large text9.31:1WCAG large text: AAA
Contrast with black, large text2.26:1WCAG large text: Fail

Named colours

Slate blue · ΔE 18Dark blue · ΔE 19.4Navy · ΔE 19.4Rebecca purple · ΔE 20.5Indigo · ΔE 21.1Royal blue · ΔE 21.7
Nearest named CSS colourSlate blue (#6A5ACD)ΔE 18, a distinctly different colour
Hue familyblue
CSS keyword usableNo exact keyword

Colour harmonies

base+30°+90°+120°+180°+210°+240°+270°+330°
Complementary#B2A327
Analogous#277CB2, #5D27B2
Triadic#B22736, #36B227
Split complementary#B25E27, #7BB227
Tetradic#B2277C, #B2A327, #27B25E

Tints, shades & saturation

+40%+30%+20%+10%base-10%-20%-30%-40%
Lighter +40%#B6BCEF
Lighter +30%#8C96E6
Lighter +20%#6270DD
Lighter +10%#3849D4
Darker −10%#1E2988
Darker −20%#151D5E
Darker −30%#0C1034
Darker −40%#02030B
More saturated +25%#0C21CD
Less saturated −25%#424B97

Channel breakdown

R39
G54
B178
Red39 (15.3%)
Green54 (21.2%)
Blue178 (69.8%)
Hue233.53°
Saturation (HSL)64.06%
Lightness42.55%
Dominant channelBlue
Hex per channelR 27 · G 36 · B B2

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Every value on this page was computed from “2736b2” by Nerdulator’s colour engine. Nothing here was retrieved from a database of answers or written by a model.