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Colour

#2165F6

  • #2165F6
  • Blue
  • Dark
  • Nearest: Royal blue

#2165F6 is a blue with RGB values 33, 101, 246 and HSL 221°, 92%, 55%. It is a dark colour, so white text on it reaches 4.9:1 contrast (AA for normal text). The nearest named colour is Royal blue.

Colour values

#2165F6#2165F6
HEX#2165F6
RGBrgb(33, 101, 246)
RGB (0–1)0.1294, 0.3961, 0.9647
RGB percentages12.9%, 39.6%, 96.5%
HSLhsl(220.8, 92.2%, 54.7%)
HSV / HSBhsv(220.8, 86.6%, 96.5%)
CMYK86.6%, 58.9%, 0%, 3.5%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer2,188,790
CSS custom property--colour: #2165F6;

Brightness & contrast

Relative luminance0.16285WCAG 2.x, 0 is black and 1 is white
Perceived brightness114.9 of 255ITU-R BT.601 weighting
Light or darkDark
Best text colour on this backgroundWhitecontrast 4.93:1
Contrast with white4.93:1WCAG normal text: AA
Contrast with black4.26:1WCAG normal text: Fail
Greyscale equivalent#616161
Inverted#DE9A09

Colour vision & accessibility

Normal visionProtanopiaDeuteranopiaTritanopia
Protanopia#007AFBno red cones; affects about 1% of men; ΔE 15 from the original
Deuteranopia#0067F3no green cones; the most common form, about 1% of men; ΔE 3.8 from the original
Tritanopia#008AA4no blue cones; rare, and affects men and women equally; ΔE 78.3 from the original
Distinguishable without hueShifts in lightness toonever rely on hue alone to carry meaning
Contrast with white, large text4.93:1WCAG large text: AAA
Contrast with black, large text4.26:1WCAG large text: AA

Named colours

Royal blue · ΔE 14.6Medium slateblue · ΔE 15.4Slate blue · ΔE 20.4Medium purple · ΔE 29Dodgerblue · ΔE 30.2Rebecca purple · ΔE 35.2
Nearest named CSS colourRoyal blue (#4169E1)ΔE 14.59, a distinctly different colour
Hue familyblue
CSS keyword usableNo exact keyword

Colour harmonies

base+30°+90°+120°+180°+210°+240°+270°+330°
Complementary#F6B221
Analogous#21D0F6, #4721F6
Triadic#F62165, #65F621
Split complementary#F64721, #D0F621
Tetradic#F621D0, #F6B221, #21F647

Tints, shades & saturation

+40%+30%+20%+10%base-10%-20%-30%-40%
Lighter +40%#E5EDFE
Lighter +30%#B4CBFC
Lighter +20%#83A9FA
Lighter +10%#5287F8
Darker −10%#094CDB
Darker −20%#073BAA
Darker −30%#052A79
Darker −40%#031948
More saturated +25%#1862FF
Less saturated −25%#3E6FD9

Channel breakdown

R33
G101
B246
Red33 (12.9%)
Green101 (39.6%)
Blue246 (96.5%)
Hue220.85°
Saturation (HSL)92.21%
Lightness54.71%
Dominant channelBlue
Hex per channelR 21 · G 65 · B F6

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Every value on this page was computed from “2165f6” by Nerdulator’s colour engine. Nothing here was retrieved from a database of answers or written by a model.