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Recognised as Colour

#2B68D1

  • #2B68D1
  • Blue
  • Dark
  • Nearest: Royal blue

#2B68D1 is a blue with RGB values 43, 104, 209 and HSL 218°, 66%, 49%. It is a dark colour, so white text on it reaches 5.2:1 contrast (AA for normal text). The nearest named colour is Royal blue.

Colour values

#2B68D1#2B68D1
HEX#2B68D1
RGBrgb(43, 104, 209)
RGB (0–1)0.1686, 0.4078, 0.8196
RGB percentages16.9%, 40.8%, 82%
HSLhsl(218, 65.9%, 49.4%)
HSV / HSBhsv(218, 79.4%, 82%)
CMYK79.4%, 50.2%, 0%, 18%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer2,844,881
CSS custom property--colour: #2B68D1;

Brightness & contrast

Relative luminance0.15018WCAG 2.x, 0 is black and 1 is white
Perceived brightness109 of 255ITU-R BT.601 weighting
Light or darkDark
Best text colour on this backgroundWhitecontrast 5.25:1
Contrast with white5.25:1WCAG normal text: AA
Contrast with black4:1WCAG normal text: Fail
Greyscale equivalent#636363
Inverted#D4972E

Colour vision & accessibility

Normal visionProtanopiaDeuteranopiaTritanopia
Protanopia#2574D5no red cones; affects about 1% of men; ΔE 8.2 from the original
Deuteranopia#0065CFno green cones; the most common form, about 1% of men; ΔE 2.7 from the original
Tritanopia#008192no blue cones; rare, and affects men and women equally; ΔE 59.4 from the original
Distinguishable without hueShifts in lightness toonever rely on hue alone to carry meaning
Contrast with white, large text5.25:1WCAG large text: AAA
Contrast with black, large text4:1WCAG large text: AA

Named colours

Royal blue · ΔE 9.8Dodgerblue · ΔE 16.5Slate blue · ΔE 17.7Cornflower blue · ΔE 21.4Medium purple · ΔE 22.7Medium slateblue · ΔE 24.2
Nearest named CSS colourRoyal blue (#4169E1)ΔE 9.84, clearly different but related
Hue familyblue
CSS keyword usableNo exact keyword

Colour harmonies

base+30°+90°+120°+180°+210°+240°+270°+330°
Complementary#D1942B
Analogous#2BBBD1, #412BD1
Triadic#D12B68, #68D12B
Split complementary#D1412B, #BBD12B
Tetradic#D12BBB, #D1942B, #2BD141

Tints, shades & saturation

+40%+30%+20%+10%base-10%-20%-30%-40%
Lighter +40%#D2DFF6
Lighter +30%#A8C1ED
Lighter +20%#7EA3E4
Lighter +10%#5385DC
Darker −10%#2253A7
Darker −20%#1A3E7C
Darker −30%#112952
Darker −40%#081428
More saturated +25%#0C60F1
Less saturated −25%#4B70B2

Channel breakdown

R43
G104
B209
Red43 (16.9%)
Green104 (40.8%)
Blue209 (82%)
Hue217.95°
Saturation (HSL)65.87%
Lightness49.41%
Dominant channelBlue
Hex per channelR 2B · G 68 · B D1

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Every value on this page was computed from “2b68d1” by Nerdulator’s colour engine. Nothing here was retrieved from a database of answers or written by a model.