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Recognised as Colour

#3F6266

  • #3F6266
  • Cyan
  • Dark
  • Nearest: Dark slate grey

#3F6266 is a cyan with RGB values 63, 98, 102 and HSL 186°, 24%, 32%. It is a dark colour, so white text on it reaches 6.7:1 contrast (AA for normal text). The nearest named colour is Dark slate grey.

Colour values

#3F6266#3F6266
HEX#3F6266
RGBrgb(63, 98, 102)
RGB (0–1)0.2471, 0.3843, 0.4
RGB percentages24.7%, 38.4%, 40%
HSLhsl(186.2, 23.6%, 32.4%)
HSV / HSBhsv(186.2, 38.2%, 40%)
CMYK38.2%, 3.9%, 0%, 60%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer4,153,958
CSS custom property--colour: #3F6266;

Brightness & contrast

Relative luminance0.10751WCAG 2.x, 0 is black and 1 is white
Perceived brightness89.5 of 255ITU-R BT.601 weighting
Light or darkDark
Best text colour on this backgroundWhitecontrast 6.67:1
Contrast with white6.67:1WCAG normal text: AA
Contrast with black3.15:1WCAG normal text: Fail
Greyscale equivalent#5B5B5B
Inverted#C09D99

Colour vision & accessibility

Normal visionProtanopiaDeuteranopiaTritanopia
Protanopia#5D5F66no red cones; affects about 1% of men; ΔE 12.4 from the original
Deuteranopia#565A66no green cones; the most common form, about 1% of men; ΔE 12.7 from the original
Tritanopia#306563no blue cones; rare, and affects men and women equally; ΔE 7 from the original
Distinguishable without hueYesnever rely on hue alone to carry meaning
Contrast with white, large text6.67:1WCAG large text: AAA
Contrast with black, large text3.15:1WCAG large text: AA

Named colours

Dark slate grey · ΔE 8.3Dim grey · ΔE 14.1Slate grey · ΔE 17.1Gray · ΔE 19.4Light slate grey · ΔE 19.7Teal · ΔE 19.8
Nearest named CSS colourDark slate grey (#2F4F4F)ΔE 8.31, clearly different but related
Hue familycyan
CSS keyword usableNo exact keyword

Colour harmonies

base+30°+90°+120°+180°+210°+240°+270°+330°
Complementary#66433F
Analogous#3F6657, #3F4E66
Triadic#663F62, #62663F
Split complementary#663F4E, #66573F
Tetradic#573F66, #66433F, #4E663F

Tints, shades & saturation

+40%+30%+20%+10%base-10%-20%-30%-40%
Lighter +40%#A8C6C9
Lighter +30%#88B1B6
Lighter +20%#699CA2
Lighter +10%#528086
Darker −10%#2C4446
Darker −20%#182527
Darker −30%#050707
Darker −40%#000000
More saturated +25%#2A727B
Less saturated −25%#525252

Channel breakdown

R63
G98
B102
Red63 (24.7%)
Green98 (38.4%)
Blue102 (40%)
Hue186.15°
Saturation (HSL)23.64%
Lightness32.35%
Dominant channelBlue
Hex per channelR 3F · G 62 · B 66

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Every value on this page was computed from “3f6266” by Nerdulator’s colour engine. Nothing here was retrieved from a database of answers or written by a model.