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Recognised as Colour

#406D71

  • #406D71
  • Cyan
  • Dark
  • Nearest: Dark slate grey

#406D71 is a cyan with RGB values 64, 109, 113 and HSL 185°, 28%, 35%. It is a dark colour, so white text on it reaches 5.8:1 contrast (AA for normal text). The nearest named colour is Dark slate grey.

Colour values

#406D71#406D71
HEX#406D71
RGBrgb(64, 109, 113)
RGB (0–1)0.251, 0.4275, 0.4431
RGB percentages25.1%, 42.7%, 44.3%
HSLhsl(184.9, 27.7%, 34.7%)
HSV / HSBhsv(184.9, 43.4%, 44.3%)
CMYK43.4%, 3.5%, 0%, 55.7%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer4,222,321
CSS custom property--colour: #406D71;

Brightness & contrast

Relative luminance0.1322WCAG 2.x, 0 is black and 1 is white
Perceived brightness98.3 of 255ITU-R BT.601 weighting
Light or darkDark
Best text colour on this backgroundWhitecontrast 5.76:1
Contrast with white5.76:1WCAG normal text: AA
Contrast with black3.64:1WCAG normal text: Fail
Greyscale equivalent#646464
Inverted#BF928E

Colour vision & accessibility

Normal visionProtanopiaDeuteranopiaTritanopia
Protanopia#676971no red cones; affects about 1% of men; ΔE 15.5 from the original
Deuteranopia#5E6371no green cones; the most common form, about 1% of men; ΔE 15.7 from the original
Tritanopia#2A706Eno blue cones; rare, and affects men and women equally; ΔE 7.9 from the original
Distinguishable without hueYesnever rely on hue alone to carry meaning
Contrast with white, large text5.76:1WCAG large text: AAA
Contrast with black, large text3.64:1WCAG large text: AA

Named colours

Dark slate grey · ΔE 12.6Teal · ΔE 15.5Slate grey · ΔE 16Dim grey · ΔE 16Light slate grey · ΔE 18.1Dark cyan · ΔE 18.8
Nearest named CSS colourDark slate grey (#2F4F4F)ΔE 12.58, a distinctly different colour
Hue familycyan
CSS keyword usableNo exact keyword

Colour harmonies

base+30°+90°+120°+180°+210°+240°+270°+330°
Complementary#714440
Analogous#40715D, #405471
Triadic#71406D, #6D7140
Split complementary#714055, #715D40
Tetradic#5D4071, #714440, #547140

Tints, shades & saturation

+40%+30%+20%+10%base-10%-20%-30%-40%
Lighter +40%#ADCDD0
Lighter +30%#8CBABE
Lighter +20%#6CA6AB
Lighter +10%#528C92
Darker −10%#2E4E50
Darker −20%#1B2E30
Darker −30%#090F0F
Darker −40%#000000
More saturated +25%#2A8087
Less saturated −25%#565A5B

Channel breakdown

R64
G109
B113
Red64 (25.1%)
Green109 (42.7%)
Blue113 (44.3%)
Hue184.9°
Saturation (HSL)27.68%
Lightness34.71%
Dominant channelBlue
Hex per channelR 40 · G 6D · B 71

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Every value on this page was computed from “406d71” by Nerdulator’s colour engine. Nothing here was retrieved from a database of answers or written by a model.