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Recognised as Colour

#3F6871

  • #3F6871
  • Cyan
  • Dark
  • Nearest: Dark slate grey

#3F6871 is a cyan with RGB values 63, 104, 113 and HSL 191°, 28%, 35%. It is a dark colour, so white text on it reaches 6.1:1 contrast (AA for normal text). The nearest named colour is Dark slate grey.

Colour values

#3F6871#3F6871
HEX#3F6871
RGBrgb(63, 104, 113)
RGB (0–1)0.2471, 0.4078, 0.4431
RGB percentages24.7%, 40.8%, 44.3%
HSLhsl(190.8, 28.4%, 34.5%)
HSV / HSBhsv(190.8, 44.2%, 44.3%)
CMYK44.2%, 8%, 0%, 55.7%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer4,155,505
CSS custom property--colour: #3F6871;

Brightness & contrast

Relative luminance0.1215WCAG 2.x, 0 is black and 1 is white
Perceived brightness94.8 of 255ITU-R BT.601 weighting
Light or darkDark
Best text colour on this backgroundWhitecontrast 6.12:1
Contrast with white6.12:1WCAG normal text: AA
Contrast with black3.43:1WCAG normal text: Fail
Greyscale equivalent#606060
Inverted#C0978E

Colour vision & accessibility

Normal visionProtanopiaDeuteranopiaTritanopia
Protanopia#616572no red cones; affects about 1% of men; ΔE 13.3 from the original
Deuteranopia#595F71no green cones; the most common form, about 1% of men; ΔE 13.8 from the original
Tritanopia#296C6Bno blue cones; rare, and affects men and women equally; ΔE 10.1 from the original
Distinguishable without hueYesnever rely on hue alone to carry meaning
Contrast with white, large text6.12:1WCAG large text: AAA
Contrast with black, large text3.43:1WCAG large text: AA

Named colours

Dark slate grey · ΔE 11.7Slate grey · ΔE 14.9Dim grey · ΔE 15.4Light slate grey · ΔE 17.4Teal · ΔE 18.4Gray · ΔE 19.4
Nearest named CSS colourDark slate grey (#2F4F4F)ΔE 11.75, a distinctly different colour
Hue familycyan
CSS keyword usableNo exact keyword

Colour harmonies

base+30°+90°+120°+180°+210°+240°+270°+330°
Complementary#71483F
Analogous#3F7161, #3F4F71
Triadic#713F68, #68713F
Split complementary#713F4F, #71613F
Tetradic#613F71, #71483F, #4F713F

Tints, shades & saturation

+40%+30%+20%+10%base-10%-20%-30%-40%
Lighter +40%#ACCAD0
Lighter +30%#8BB5BE
Lighter +20%#6AA0AC
Lighter +10%#518692
Darker −10%#2D4A50
Darker −20%#1A2C30
Darker −30%#080E0F
Darker −40%#000000
More saturated +25%#297687
Less saturated −25%#555A5B

Channel breakdown

R63
G104
B113
Red63 (24.7%)
Green104 (40.8%)
Blue113 (44.3%)
Hue190.8°
Saturation (HSL)28.41%
Lightness34.51%
Dominant channelBlue
Hex per channelR 3F · G 68 · B 71

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Every value on this page was computed from “3f6871” by Nerdulator’s colour engine. Nothing here was retrieved from a database of answers or written by a model.