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Recognised as Colour

#2A4966

  • #2A4966
  • Blue
  • Dark
  • Nearest: Dark slate grey

#2A4966 is a blue with RGB values 42, 73, 102 and HSL 209°, 42%, 28%. It is a dark colour, so white text on it reaches 9.4:1 contrast (AAA for normal text). The nearest named colour is Dark slate grey.

Colour values

#2A4966#2A4966
HEX#2A4966
RGBrgb(42, 73, 102)
RGB (0–1)0.1647, 0.2863, 0.4
RGB percentages16.5%, 28.6%, 40%
HSLhsl(209, 41.7%, 28.2%)
HSV / HSBhsv(209, 58.8%, 40%)
CMYK58.8%, 28.4%, 0%, 60%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer2,771,302
CSS custom property--colour: #2A4966;

Brightness & contrast

Relative luminance0.06217WCAG 2.x, 0 is black and 1 is white
Perceived brightness69.6 of 255ITU-R BT.601 weighting
Light or darkDark
Best text colour on this backgroundWhitecontrast 9.36:1
Contrast with white9.36:1WCAG normal text: AAA
Contrast with black2.24:1WCAG normal text: Fail
Greyscale equivalent#454545
Inverted#D5B699

Colour vision & accessibility

Normal visionProtanopiaDeuteranopiaTritanopia
Protanopia#3D4A67no red cones; affects about 1% of men; ΔE 5.5 from the original
Deuteranopia#354465no green cones; the most common form, about 1% of men; ΔE 6 from the original
Tritanopia#015053no blue cones; rare, and affects men and women equally; ΔE 21.7 from the original
Distinguishable without hueYesnever rely on hue alone to carry meaning
Contrast with white, large text9.36:1WCAG large text: AAA
Contrast with black, large text2.24:1WCAG large text: Fail

Named colours

Dark slate grey · ΔE 19.4Slate grey · ΔE 24.9Dim grey · ΔE 25.1Steel blue · ΔE 25.5Light slate grey · ΔE 27.6Gray · ΔE 31.3
Nearest named CSS colourDark slate grey (#2F4F4F)ΔE 19.38, a distinctly different colour
Hue familyblue
CSS keyword usableNo exact keyword

Colour harmonies

base+30°+90°+120°+180°+210°+240°+270°+330°
Complementary#66472A
Analogous#2A6665, #2A2B66
Triadic#662A49, #49662A
Split complementary#662A2B, #66652A
Tetradic#652A66, #66472A, #2B662A

Tints, shades & saturation

+40%+30%+20%+10%base-10%-20%-30%-40%
Lighter +40%#8CAFD0
Lighter +30%#6896C1
Lighter +20%#487DAE
Lighter +10%#39638A
Darker −10%#1B2F42
Darker −20%#0C151E
Darker −30%#000000
Darker −40%#000000
More saturated +25%#184A78
Less saturated −25%#3C4854

Channel breakdown

R42
G73
B102
Red42 (16.5%)
Green73 (28.6%)
Blue102 (40%)
Hue209°
Saturation (HSL)41.67%
Lightness28.24%
Dominant channelBlue
Hex per channelR 2A · G 49 · B 66

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Every value on this page was computed from “2a4966” by Nerdulator’s colour engine. Nothing here was retrieved from a database of answers or written by a model.