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Recognised as Colour

#216FE5

  • #216FE5
  • Blue
  • Dark
  • Nearest: Royal blue

#216FE5 is a blue with RGB values 33, 111, 229 and HSL 216°, 79%, 51%. It is a dark colour, so white text on it reaches 4.7:1 contrast (AA for normal text). The nearest named colour is Royal blue.

Colour values

#216FE5#216FE5
HEX#216FE5
RGBrgb(33, 111, 229)
RGB (0–1)0.1294, 0.4353, 0.898
RGB percentages12.9%, 43.5%, 89.8%
HSLhsl(216.1, 79%, 51.4%)
HSV / HSBhsv(216.1, 85.6%, 89.8%)
CMYK85.6%, 51.5%, 0%, 10.2%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer2,191,333
CSS custom property--colour: #216FE5;

Brightness & contrast

Relative luminance0.17349WCAG 2.x, 0 is black and 1 is white
Perceived brightness116.3 of 255ITU-R BT.601 weighting
Light or darkDark
Best text colour on this backgroundWhitecontrast 4.7:1
Contrast with white4.7:1WCAG normal text: AA
Contrast with black4.47:1WCAG normal text: Fail
Greyscale equivalent#676767
Inverted#DE901A

Colour vision & accessibility

Normal visionProtanopiaDeuteranopiaTritanopia
Protanopia#187DE9no red cones; affects about 1% of men; ΔE 9.7 from the original
Deuteranopia#006BE3no green cones; the most common form, about 1% of men; ΔE 2.3 from the original
Tritanopia#008C9Fno blue cones; rare, and affects men and women equally; ΔE 65.5 from the original
Distinguishable without hueShifts in lightness toonever rely on hue alone to carry meaning
Contrast with white, large text4.7:1WCAG large text: AAA
Contrast with black, large text4.47:1WCAG large text: AA

Named colours

Royal blue · ΔE 5.7Dodgerblue · ΔE 15.4Slate blue · ΔE 17.8Medium slateblue · ΔE 20.6Medium purple · ΔE 23.6Cornflower blue · ΔE 24.3
Nearest named CSS colourRoyal blue (#4169E1)ΔE 5.65, clearly different but related
Hue familyblue
CSS keyword usableNo exact keyword

Colour harmonies

base+30°+90°+120°+180°+210°+240°+270°+330°
Complementary#E59721
Analogous#21D1E5, #3521E5
Triadic#E5216F, #6FE521
Split complementary#E53521, #D1E521
Tetradic#E521D1, #E59721, #21E535

Tints, shades & saturation

+40%+30%+20%+10%base-10%-20%-30%-40%
Lighter +40%#D8E5FA
Lighter +30%#AAC8F5
Lighter +20%#7CAAF0
Lighter +10%#4F8DEA
Darker −10%#1658BD
Darker −20%#11438F
Darker −30%#0B2E62
Darker −40%#061834
More saturated +25%#076AFF
Less saturated −25%#4075C6

Channel breakdown

R33
G111
B229
Red33 (12.9%)
Green111 (43.5%)
Blue229 (89.8%)
Hue216.12°
Saturation (HSL)79.03%
Lightness51.37%
Dominant channelBlue
Hex per channelR 21 · G 6F · B E5

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Every value on this page was computed from “216fe5” by Nerdulator’s colour engine. Nothing here was retrieved from a database of answers or written by a model.