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Colour

#3F5356

  • #3F5356
  • Cyan
  • Dark
  • Nearest: Dark slate grey

#3F5356 is a cyan with RGB values 63, 83, 86 and HSL 188°, 15%, 29%. 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

#3F5356#3F5356
HEX#3F5356
RGBrgb(63, 83, 86)
RGB (0–1)0.2471, 0.3255, 0.3373
RGB percentages24.7%, 32.5%, 33.7%
HSLhsl(187.8, 15.4%, 29.2%)
HSV / HSBhsv(187.8, 26.7%, 33.7%)
CMYK26.7%, 3.5%, 0%, 66.3%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer4,150,102
CSS custom property--colour: #3F5356;

Brightness & contrast

Relative luminance0.07915WCAG 2.x, 0 is black and 1 is white
Perceived brightness77.9 of 255ITU-R BT.601 weighting
Light or darkDark
Best text colour on this backgroundWhitecontrast 8.13:1
Contrast with white8.13:1WCAG normal text: AAA
Contrast with black2.58:1WCAG normal text: Fail
Greyscale equivalent#4F4F4F
Inverted#C0ACA9

Colour vision & accessibility

Normal visionProtanopiaDeuteranopiaTritanopia
Protanopia#505156no red cones; affects about 1% of men; ΔE 7.7 from the original
Deuteranopia#4C4E56no green cones; the most common form, about 1% of men; ΔE 8 from the original
Tritanopia#385554no blue cones; rare, and affects men and women equally; ΔE 4.3 from the original
Distinguishable without hueYesnever rely on hue alone to carry meaning
Contrast with white, large text8.13:1WCAG large text: AAA
Contrast with black, large text2.58:1WCAG large text: Fail

Named colours

Dark slate grey · ΔE 5.5Dim grey · ΔE 13.3Slate grey · ΔE 20.6Gray · ΔE 21.4Light slate grey · ΔE 23.6Teal · ΔE 26.6
Nearest named CSS colourDark slate grey (#2F4F4F)ΔE 5.5, clearly different but related
Hue familycyan
CSS keyword usableNo exact keyword

Colour harmonies

base+30°+90°+120°+180°+210°+240°+270°+330°
Complementary#56423F
Analogous#3F564E, #3F4856
Triadic#563F53, #53563F
Split complementary#563F47, #564E3F
Tetradic#4E3F56, #56423F, #48563F

Tints, shades & saturation

+40%+30%+20%+10%base-10%-20%-30%-40%
Lighter +40%#A4B9BD
Lighter +30%#87A3A7
Lighter +20%#6A8C91
Lighter +10%#556F73
Darker −10%#293739
Darker −20%#141A1B
Darker −30%#000000
Darker −40%#000000
More saturated +25%#2C6169
Less saturated −25%#4B4B4B

Channel breakdown

R63
G83
B86
Red63 (24.7%)
Green83 (32.5%)
Blue86 (33.7%)
Hue187.83°
Saturation (HSL)15.44%
Lightness29.22%
Dominant channelBlue
Hex per channelR 3F · G 53 · B 56

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Every value on this page was computed from “3f5356” by Nerdulator’s colour engine. Nothing here was retrieved from a database of answers or written by a model.