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Recognised as Colour

#43506D

  • #43506D
  • Blue
  • Dark
  • Nearest: Dark slate grey

#43506D is a blue with RGB values 67, 80, 109 and HSL 221°, 24%, 35%. It is a dark colour, so white text on it reaches 8.1:1 contrast (AAA for normal text). The nearest named colour is Dark slate grey.

Colour values

#43506D#43506D
HEX#43506D
RGBrgb(67, 80, 109)
RGB (0–1)0.2627, 0.3137, 0.4275
RGB percentages26.3%, 31.4%, 42.7%
HSLhsl(221.4, 23.9%, 34.5%)
HSV / HSBhsv(221.4, 38.5%, 42.7%)
CMYK38.5%, 26.6%, 0%, 57.3%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer4,411,501
CSS custom property--colour: #43506D;

Brightness & contrast

Relative luminance0.08035WCAG 2.x, 0 is black and 1 is white
Perceived brightness80.3 of 255ITU-R BT.601 weighting
Light or darkDark
Best text colour on this backgroundWhitecontrast 8.06:1
Contrast with white8.06:1WCAG normal text: AAA
Contrast with black2.61:1WCAG normal text: Fail
Greyscale equivalent#4F4F4F
Inverted#BCAF92

Colour vision & accessibility

Normal visionProtanopiaDeuteranopiaTritanopia
Protanopia#46526Eno red cones; affects about 1% of men; ΔE 1.1 from the original
Deuteranopia#424E6Cno green cones; the most common form, about 1% of men; ΔE 1.1 from the original
Tritanopia#36565Ano blue cones; rare, and affects men and women equally; ΔE 18.2 from the original
Distinguishable without hueYesnever rely on hue alone to carry meaning
Contrast with white, large text8.06:1WCAG large text: AAA
Contrast with black, large text2.61:1WCAG large text: Fail

Named colours

Dark slate grey · ΔE 20.8Slate grey · ΔE 20.9Dim grey · ΔE 21.3Light slate grey · ΔE 23.6Steel blue · ΔE 24.1Gray · ΔE 26.9
Nearest named CSS colourDark slate grey (#2F4F4F)ΔE 20.83, a distinctly different colour
Hue familyblue
CSS keyword usableNo exact keyword

Colour harmonies

base+30°+90°+120°+180°+210°+240°+270°+330°
Complementary#6D6043
Analogous#43656D, #4B436D
Triadic#6D4350, #506D43
Split complementary#6D4B43, #656D43
Tetradic#6D4365, #6D6043, #436D4B

Tints, shades & saturation

+40%+30%+20%+10%base-10%-20%-30%-40%
Lighter +40%#AEB8CE
Lighter +30%#8F9CBA
Lighter +20%#6F80A7
Lighter +10%#56678D
Darker −10%#30394D
Darker −20%#1C222E
Darker −30%#090A0E
Darker −40%#000000
More saturated +25%#2D4883
Less saturated −25%#585858

Channel breakdown

R67
G80
B109
Red67 (26.3%)
Green80 (31.4%)
Blue109 (42.7%)
Hue221.43°
Saturation (HSL)23.86%
Lightness34.51%
Dominant channelBlue
Hex per channelR 43 · G 50 · B 6D

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Every value on this page was computed from “43506d” by Nerdulator’s colour engine. Nothing here was retrieved from a database of answers or written by a model.