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Recognised as Colour

#2A5484

  • #2A5484
  • Blue
  • Dark
  • Nearest: Steel blue

#2A5484 is a blue with RGB values 42, 84, 132 and HSL 212°, 52%, 34%. It is a dark colour, so white text on it reaches 7.8:1 contrast (AAA for normal text). The nearest named colour is Steel blue.

Colour values

#2A5484#2A5484
HEX#2A5484
RGBrgb(42, 84, 132)
RGB (0–1)0.1647, 0.3294, 0.5176
RGB percentages16.5%, 32.9%, 51.8%
HSLhsl(212, 51.7%, 34.1%)
HSV / HSBhsv(212, 68.2%, 51.8%)
CMYK68.2%, 36.4%, 0%, 48.2%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer2,774,148
CSS custom property--colour: #2A5484;

Brightness & contrast

Relative luminance0.08499WCAG 2.x, 0 is black and 1 is white
Perceived brightness81.6 of 255ITU-R BT.601 weighting
Light or darkDark
Best text colour on this backgroundWhitecontrast 7.78:1
Contrast with white7.78:1WCAG normal text: AAA
Contrast with black2.7:1WCAG normal text: Fail
Greyscale equivalent#4F4F4F
Inverted#D5AB7B

Colour vision & accessibility

Normal visionProtanopiaDeuteranopiaTritanopia
Protanopia#3F5786no red cones; affects about 1% of men; ΔE 4.5 from the original
Deuteranopia#324E83no green cones; the most common form, about 1% of men; ΔE 5.6 from the original
Tritanopia#005F66no blue cones; rare, and affects men and women equally; ΔE 30.6 from the original
Distinguishable without hueYesnever rely on hue alone to carry meaning
Contrast with white, large text7.78:1WCAG large text: AAA
Contrast with black, large text2.7:1WCAG large text: Fail

Named colours

Steel blue · ΔE 18.5Dark slateblue · ΔE 26.8Slate grey · ΔE 27.6Light slate grey · ΔE 29.3Dark slate grey · ΔE 30.9Dim grey · ΔE 32.7
Nearest named CSS colourSteel blue (#4682B4)ΔE 18.49, a distinctly different colour
Hue familyblue
CSS keyword usableNo exact keyword

Colour harmonies

base+30°+90°+120°+180°+210°+240°+270°+330°
Complementary#845A2A
Analogous#2A8184, #2D2A84
Triadic#842A54, #54842A
Split complementary#842D2A, #81842A
Tetradic#842A81, #845A2A, #2A842D

Tints, shades & saturation

+40%+30%+20%+10%base-10%-20%-30%-40%
Lighter +40%#9BBBDF
Lighter +30%#74A0D3
Lighter +20%#4D86C7
Lighter +10%#366DAB
Darker −10%#1E3B5D
Darker −20%#112337
Darker −30%#050A10
Darker −40%#000000
More saturated +25%#14539A
Less saturated −25%#40556E

Channel breakdown

R42
G84
B132
Red42 (16.5%)
Green84 (32.9%)
Blue132 (51.8%)
Hue212°
Saturation (HSL)51.72%
Lightness34.12%
Dominant channelBlue
Hex per channelR 2A · G 54 · B 84

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Every value on this page was computed from “2a5484” by Nerdulator’s colour engine. Nothing here was retrieved from a database of answers or written by a model.