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Colour

#4165BB

  • #4165BB
  • Blue
  • Dark
  • Nearest: Cornflower blue

#4165BB is a blue with RGB values 65, 101, 187 and HSL 222°, 48%, 49%. It is a dark colour, so white text on it reaches 5.5:1 contrast (AA for normal text). The nearest named colour is Cornflower blue.

Colour values

#4165BB#4165BB
HEX#4165BB
RGBrgb(65, 101, 187)
RGB (0–1)0.2549, 0.3961, 0.7333
RGB percentages25.5%, 39.6%, 73.3%
HSLhsl(222.3, 48.4%, 49.4%)
HSV / HSBhsv(222.3, 65.2%, 73.3%)
CMYK65.2%, 46%, 0%, 26.7%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer4,285,883
CSS custom property--colour: #4165BB;

Brightness & contrast

Relative luminance0.14019WCAG 2.x, 0 is black and 1 is white
Perceived brightness106 of 255ITU-R BT.601 weighting
Light or darkDark
Best text colour on this backgroundWhitecontrast 5.52:1
Contrast with white5.52:1WCAG normal text: AA
Contrast with black3.8:1WCAG normal text: Fail
Greyscale equivalent#646464
Inverted#BE9A44

Colour vision & accessibility

Normal visionProtanopiaDeuteranopiaTritanopia
Protanopia#3B6FBEno red cones; affects about 1% of men; ΔE 7.3 from the original
Deuteranopia#2563B9no green cones; the most common form, about 1% of men; ΔE 4.2 from the original
Tritanopia#007987no blue cones; rare, and affects men and women equally; ΔE 50.8 from the original
Distinguishable without hueYesnever rely on hue alone to carry meaning
Contrast with white, large text5.52:1WCAG large text: AAA
Contrast with black, large text3.8:1WCAG large text: AA

Named colours

Cornflower blue · ΔE 18.6Dark slateblue · ΔE 18.7Royal blue · ΔE 19.8Dodgerblue · ΔE 21.4Slate blue · ΔE 22.6Medium purple · ΔE 24.1
Nearest named CSS colourCornflower blue (#6495ED)ΔE 18.61, a distinctly different colour
Hue familyblue
CSS keyword usableNo exact keyword

Colour harmonies

base+30°+90°+120°+180°+210°+240°+270°+330°
Complementary#BB9741
Analogous#41A2BB, #5A41BB
Triadic#BB4165, #65BB41
Split complementary#BB5A41, #A2BB41
Tetradic#BB41A2, #BB9741, #41BB5A

Tints, shades & saturation

+40%+30%+20%+10%base-10%-20%-30%-40%
Lighter +40%#D7DFF1
Lighter +30%#B1C0E4
Lighter +20%#8BA2D7
Lighter +10%#6583CA
Darker −10%#345195
Darker −20%#273C6F
Darker −30%#1A2849
Darker −40%#0C1324
More saturated +25%#2258DA
Less saturated −25%#61729B

Channel breakdown

R65
G101
B187
Red65 (25.5%)
Green101 (39.6%)
Blue187 (73.3%)
Hue222.3°
Saturation (HSL)48.41%
Lightness49.41%
Dominant channelBlue
Hex per channelR 41 · G 65 · B BB

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Every value on this page was computed from “4165bb” by Nerdulator’s colour engine. Nothing here was retrieved from a database of answers or written by a model.