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Recognised as Colour

#2B73D8

  • #2B73D8
  • Blue
  • Dark
  • Nearest: Dodgerblue

#2B73D8 is a blue with RGB values 43, 115, 216 and HSL 215°, 69%, 51%. It is a dark colour, so white text on it reaches 4.6:1 contrast (AA for normal text). The nearest named colour is Dodgerblue.

Colour values

#2B73D8#2B73D8
HEX#2B73D8
RGBrgb(43, 115, 216)
RGB (0–1)0.1686, 0.451, 0.8471
RGB percentages16.9%, 45.1%, 84.7%
HSLhsl(215, 68.9%, 50.8%)
HSV / HSBhsv(215, 80.1%, 84.7%)
CMYK80.1%, 46.8%, 0%, 15.3%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer2,847,704
CSS custom property--colour: #2B73D8;

Brightness & contrast

Relative luminance0.17733WCAG 2.x, 0 is black and 1 is white
Perceived brightness116.8 of 255ITU-R BT.601 weighting
Light or darkDark
Best text colour on this backgroundWhitecontrast 4.62:1
Contrast with white4.62:1WCAG normal text: AA
Contrast with black4.55:1WCAG normal text: AA
Greyscale equivalent#6B6B6B
Inverted#D48C27

Colour vision & accessibility

Normal visionProtanopiaDeuteranopiaTritanopia
Protanopia#3B7DDCno red cones; affects about 1% of men; ΔE 5.7 from the original
Deuteranopia#006ED6no green cones; the most common form, about 1% of men; ΔE 3.3 from the original
Tritanopia#008B9Bno blue cones; rare, and affects men and women equally; ΔE 56.7 from the original
Distinguishable without hueShifts in lightness toonever rely on hue alone to carry meaning
Contrast with white, large text4.62:1WCAG large text: AAA
Contrast with black, large text4.55:1WCAG large text: AAA

Named colours

Dodgerblue · ΔE 12.2Royal blue · ΔE 14.2Cornflower blue · ΔE 16.2Slate blue · ΔE 22.3Medium purple · ΔE 24.8Dark slateblue · ΔE 27.1
Nearest named CSS colourDodgerblue (#1E90FF)ΔE 12.24, a distinctly different colour
Hue familyblue
CSS keyword usableNo exact keyword

Colour harmonies

base+30°+90°+120°+180°+210°+240°+270°+330°
Complementary#D8902B
Analogous#2BCAD8, #392BD8
Triadic#D82B73, #73D82B
Split complementary#D83A2B, #C9D82B
Tetradic#D82BCA, #D8902B, #2BD83A

Tints, shades & saturation

+40%+30%+20%+10%base-10%-20%-30%-40%
Lighter +40%#D7E5F8
Lighter +30%#ACC8F0
Lighter +20%#81ACE8
Lighter +10%#568FE0
Darker −10%#205CB0
Darker −20%#184585
Darker −30%#102F5A
Darker −40%#09182E
More saturated +25%#0C6EF7
Less saturated −25%#4A78B9

Channel breakdown

R43
G115
B216
Red43 (16.9%)
Green115 (45.1%)
Blue216 (84.7%)
Hue215.03°
Saturation (HSL)68.92%
Lightness50.78%
Dominant channelBlue
Hex per channelR 2B · G 73 · B D8

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Every value on this page was computed from “2b73d8” by Nerdulator’s colour engine. Nothing here was retrieved from a database of answers or written by a model.