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Colour

#434D66

  • #434D66
  • Blue
  • Dark
  • Nearest: Dark slate grey

#434D66 is a blue with RGB values 67, 77, 102 and HSL 223°, 21%, 33%. It is a dark colour, so white text on it reaches 8.4:1 contrast (AAA for normal text). The nearest named colour is Dark slate grey.

Colour values

#434D66#434D66
HEX#434D66
RGBrgb(67, 77, 102)
RGB (0–1)0.2627, 0.302, 0.4
RGB percentages26.3%, 30.2%, 40%
HSLhsl(222.9, 20.7%, 33.1%)
HSV / HSBhsv(222.9, 34.3%, 40%)
CMYK34.3%, 24.5%, 0%, 60%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer4,410,726
CSS custom property--colour: #434D66;

Brightness & contrast

Relative luminance0.0746WCAG 2.x, 0 is black and 1 is white
Perceived brightness77.5 of 255ITU-R BT.601 weighting
Light or darkDark
Best text colour on this backgroundWhitecontrast 8.43:1
Contrast with white8.43:1WCAG normal text: AAA
Contrast with black2.49:1WCAG normal text: Fail
Greyscale equivalent#4D4D4D
Inverted#BCB299

Colour vision & accessibility

Normal visionProtanopiaDeuteranopiaTritanopia
Protanopia#454F67no red cones; affects about 1% of men; ΔE 1.1 from the original
Deuteranopia#424C65no green cones; the most common form, about 1% of men; ΔE 0.4 from the original
Tritanopia#395256no blue cones; rare, and affects men and women equally; ΔE 15.2 from the original
Distinguishable without hueYesnever rely on hue alone to carry meaning
Contrast with white, large text8.43:1WCAG large text: AAA
Contrast with black, large text2.49:1WCAG large text: Fail

Named colours

Dark slate grey · ΔE 18.9Dim grey · ΔE 19.8Slate grey · ΔE 21.2Light slate grey · ΔE 24.1Gray · ΔE 26.2Steel blue · ΔE 26.4
Nearest named CSS colourDark slate grey (#2F4F4F)ΔE 18.89, a distinctly different colour
Hue familyblue
CSS keyword usableNo exact keyword

Colour harmonies

base+30°+90°+120°+180°+210°+240°+270°+330°
Complementary#665C43
Analogous#435E66, #4B4366
Triadic#66434D, #4D6643
Split complementary#664B43, #5E6643
Tetradic#66435F, #665C43, #43664B

Tints, shades & saturation

+40%+30%+20%+10%base-10%-20%-30%-40%
Lighter +40%#ACB4C9
Lighter +30%#8E99B4
Lighter +20%#6F7DA0
Lighter +10%#576485
Darker −10%#2F3647
Darker −20%#1B1F28
Darker −30%#06070A
Darker −40%#000000
More saturated +25%#2E447B
Less saturated −25%#555555

Channel breakdown

R67
G77
B102
Red67 (26.3%)
Green77 (30.2%)
Blue102 (40%)
Hue222.86°
Saturation (HSL)20.71%
Lightness33.14%
Dominant channelBlue
Hex per channelR 43 · G 4D · B 66

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Every value on this page was computed from “434d66” by Nerdulator’s colour engine. Nothing here was retrieved from a database of answers or written by a model.