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Recognised as Colour

#216EBB

  • #216EBB
  • Blue
  • Dark
  • Nearest: Cornflower blue

#216EBB is a blue with RGB values 33, 110, 187 and HSL 210°, 70%, 43%. It is a dark colour, so white text on it reaches 5.2:1 contrast (AA for normal text). The nearest named colour is Cornflower blue.

Colour values

#216EBB#216EBB
HEX#216EBB
RGBrgb(33, 110, 187)
RGB (0–1)0.1294, 0.4314, 0.7333
RGB percentages12.9%, 43.1%, 73.3%
HSLhsl(210, 70%, 43.1%)
HSV / HSBhsv(210, 82.4%, 73.3%)
CMYK82.4%, 41.2%, 0%, 26.7%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer2,191,035
CSS custom property--colour: #216EBB;

Brightness & contrast

Relative luminance0.15063WCAG 2.x, 0 is black and 1 is white
Perceived brightness106.8 of 255ITU-R BT.601 weighting
Light or darkDark
Best text colour on this backgroundWhitecontrast 5.23:1
Contrast with white5.23:1WCAG normal text: AA
Contrast with black4.01:1WCAG normal text: Fail
Greyscale equivalent#636363
Inverted#DE9144

Colour vision & accessibility

Normal visionProtanopiaDeuteranopiaTritanopia
Protanopia#4874BEno red cones; affects about 1% of men; ΔE 5.6 from the original
Deuteranopia#2D66B9no green cones; the most common form, about 1% of men; ΔE 6.4 from the original
Tritanopia#00808Bno blue cones; rare, and affects men and women equally; ΔE 44.6 from the original
Distinguishable without hueShifts in lightness toonever rely on hue alone to carry meaning
Contrast with white, large text5.23:1WCAG large text: AAA
Contrast with black, large text4.01:1WCAG large text: AA

Named colours

Cornflower blue · ΔE 16.9Steel blue · ΔE 18.7Dodgerblue · ΔE 21.9Dark slateblue · ΔE 26.1Royal blue · ΔE 28Slate blue · ΔE 32.7
Nearest named CSS colourCornflower blue (#6495ED)ΔE 16.89, a distinctly different colour
Hue familyblue
CSS keyword usableNo exact keyword

Colour harmonies

base+30°+90°+120°+180°+210°+240°+270°+330°
Complementary#BB6E21
Analogous#21BBBB, #2121BB
Triadic#BB216E, #6EBB21
Split complementary#BB2121, #BBBB21
Tetradic#BB21BB, #BB6E21, #21BB21

Tints, shades & saturation

+40%+30%+20%+10%base-10%-20%-30%-40%
Lighter +40%#B6D4F2
Lighter +30%#8BBAEA
Lighter +20%#5FA1E3
Lighter +10%#3488DB
Darker −10%#195490
Darker −20%#123B64
Darker −30%#0A2139
Darker −40%#02080E
More saturated +25%#066ED6
Less saturated −25%#3D6EA0

Channel breakdown

R33
G110
B187
Red33 (12.9%)
Green110 (43.1%)
Blue187 (73.3%)
Hue210°
Saturation (HSL)70%
Lightness43.14%
Dominant channelBlue
Hex per channelR 21 · G 6E · B BB

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