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Recognised as Colour

#4084AA

  • #4084AA
  • Blue
  • Dark
  • Nearest: Steel blue

#4084AA is a blue with RGB values 64, 132, 170 and HSL 202°, 45%, 46%. It is a dark colour, so black text on it reaches 5.1:1 contrast (AA for normal text). The nearest named colour is Steel blue.

Colour values

#4084AA#4084AA
HEX#4084AA
RGBrgb(64, 132, 170)
RGB (0–1)0.251, 0.5176, 0.6667
RGB percentages25.1%, 51.8%, 66.7%
HSLhsl(201.5, 45.3%, 45.9%)
HSV / HSBhsv(201.5, 62.4%, 66.7%)
CMYK62.4%, 22.4%, 0%, 33.3%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer4,228,266
CSS custom property--colour: #4084AA;

Brightness & contrast

Relative luminance0.20495WCAG 2.x, 0 is black and 1 is white
Perceived brightness121.4 of 255ITU-R BT.601 weighting
Light or darkDark
Best text colour on this backgroundBlackcontrast 5.1:1
Contrast with white4.12:1WCAG normal text: Fail
Contrast with black5.1:1WCAG normal text: AA
Greyscale equivalent#787878
Inverted#BF7B55

Colour vision & accessibility

Normal visionProtanopiaDeuteranopiaTritanopia
Protanopia#7283ACno red cones; affects about 1% of men; ΔE 14.1 from the original
Deuteranopia#6378A9no green cones; the most common form, about 1% of men; ΔE 15.2 from the original
Tritanopia#008E91no blue cones; rare, and affects men and women equally; ΔE 25.9 from the original
Distinguishable without hueYesnever rely on hue alone to carry meaning
Contrast with white, large text4.12:1WCAG large text: AA
Contrast with black, large text5.1:1WCAG large text: AAA

Named colours

Steel blue · ΔE 8Light slate grey · ΔE 17.5Slate grey · ΔE 17.7Cadetblue · ΔE 23.3Teal · ΔE 26.7Deep skyblue · ΔE 26.9
Nearest named CSS colourSteel blue (#4682B4)ΔE 7.95, clearly different but related
Hue familyblue
CSS keyword usableNo exact keyword

Colour harmonies

base+30°+90°+120°+180°+210°+240°+270°+330°
Complementary#AA6640
Analogous#40AA9B, #404FAA
Triadic#AA4084, #84AA40
Split complementary#AA404F, #AA9B40
Tetradic#9B40AA, #AA6640, #4FAA40

Tints, shades & saturation

+40%+30%+20%+10%base-10%-20%-30%-40%
Lighter +40%#CBE0EB
Lighter +30%#A6C9DD
Lighter +20%#81B3CF
Lighter +10%#5C9DC1
Darker −10%#326785
Darker −20%#244A60
Darker −30%#162E3B
Darker −40%#081116
More saturated +25%#238CC7
Less saturated −25%#5D7C8D

Channel breakdown

R64
G132
B170
Red64 (25.1%)
Green132 (51.8%)
Blue170 (66.7%)
Hue201.51°
Saturation (HSL)45.3%
Lightness45.88%
Dominant channelBlue
Hex per channelR 40 · G 84 · B AA

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Every value on this page was computed from “4084aa” by Nerdulator’s colour engine. Nothing here was retrieved from a database of answers or written by a model.