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Recognised as Colour

#4161BB

  • #4161BB
  • Blue
  • Dark
  • Nearest: Royal blue

#4161BB is a blue with RGB values 65, 97, 187 and HSL 224°, 48%, 49%. It is a dark colour, so white text on it reaches 5.7:1 contrast (AA for normal text). The nearest named colour is Royal blue.

Colour values

#4161BB#4161BB
HEX#4161BB
RGBrgb(65, 97, 187)
RGB (0–1)0.2549, 0.3804, 0.7333
RGB percentages25.5%, 38%, 73.3%
HSLhsl(224.3, 48.4%, 49.4%)
HSV / HSBhsv(224.3, 65.2%, 73.3%)
CMYK65.2%, 48.1%, 0%, 26.7%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer4,284,859
CSS custom property--colour: #4161BB;

Brightness & contrast

Relative luminance0.13261WCAG 2.x, 0 is black and 1 is white
Perceived brightness103.8 of 255ITU-R BT.601 weighting
Light or darkDark
Best text colour on this backgroundWhitecontrast 5.75:1
Contrast with white5.75:1WCAG normal text: AA
Contrast with black3.65:1WCAG normal text: Fail
Greyscale equivalent#616161
Inverted#BE9E44

Colour vision & accessibility

Normal visionProtanopiaDeuteranopiaTritanopia
Protanopia#326CBEno red cones; affects about 1% of men; ΔE 9 from the original
Deuteranopia#1861B9no green cones; the most common form, about 1% of men; ΔE 6.1 from the original
Tritanopia#007685no blue cones; rare, and affects men and women equally; ΔE 53 from the original
Distinguishable without hueYesnever rely on hue alone to carry meaning
Contrast with white, large text5.75:1WCAG large text: AAA
Contrast with black, large text3.65:1WCAG large text: AA

Named colours

Royal blue · ΔE 17.2Dark slateblue · ΔE 17.3Slate blue · ΔE 19.6Cornflower blue · ΔE 20.6Dodgerblue · ΔE 21.8Medium purple · ΔE 22.4
Nearest named CSS colourRoyal blue (#4169E1)ΔE 17.25, a distinctly different colour
Hue familyblue
CSS keyword usableNo exact keyword

Colour harmonies

base+30°+90°+120°+180°+210°+240°+270°+330°
Complementary#BB9B41
Analogous#419EBB, #5E41BB
Triadic#BB4161, #61BB41
Split complementary#BB5E41, #9EBB41
Tetradic#BB419E, #BB9B41, #41BB5E

Tints, shades & saturation

+40%+30%+20%+10%base-10%-20%-30%-40%
Lighter +40%#D7DEF1
Lighter +30%#B1BEE4
Lighter +20%#8B9FD7
Lighter +10%#6580CA
Darker −10%#344D95
Darker −20%#273A6F
Darker −30%#1A2649
Darker −40%#0C1224
More saturated +25%#2252DA
Less saturated −25%#61709B

Channel breakdown

R65
G97
B187
Red65 (25.5%)
Green97 (38%)
Blue187 (73.3%)
Hue224.26°
Saturation (HSL)48.41%
Lightness49.41%
Dominant channelBlue
Hex per channelR 41 · G 61 · B BB

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Every value on this page was computed from “4161bb” by Nerdulator’s colour engine. Nothing here was retrieved from a database of answers or written by a model.