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Recognised as Colour

#3E5557

  • #3E5557
  • Cyan
  • Dark
  • Nearest: Dark slate grey

#3E5557 is a cyan with RGB values 62, 85, 87 and HSL 185°, 17%, 29%. It is a dark colour, so white text on it reaches 7.9:1 contrast (AAA for normal text). The nearest named colour is Dark slate grey.

Colour values

#3E5557#3E5557
HEX#3E5557
RGBrgb(62, 85, 87)
RGB (0–1)0.2431, 0.3333, 0.3412
RGB percentages24.3%, 33.3%, 34.1%
HSLhsl(184.8, 16.8%, 29.2%)
HSV / HSBhsv(184.8, 28.7%, 34.1%)
CMYK28.7%, 2.3%, 0%, 65.9%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer4,085,079
CSS custom property--colour: #3E5557;

Brightness & contrast

Relative luminance0.08209WCAG 2.x, 0 is black and 1 is white
Perceived brightness79.1 of 255ITU-R BT.601 weighting
Light or darkDark
Best text colour on this backgroundWhitecontrast 7.95:1
Contrast with white7.95:1WCAG normal text: AAA
Contrast with black2.64:1WCAG normal text: Fail
Greyscale equivalent#505050
Inverted#C1AAA8

Colour vision & accessibility

Normal visionProtanopiaDeuteranopiaTritanopia
Protanopia#525357no red cones; affects about 1% of men; ΔE 8.8 from the original
Deuteranopia#4D4F57no green cones; the most common form, about 1% of men; ΔE 9.3 from the original
Tritanopia#365756no blue cones; rare, and affects men and women equally; ΔE 4.2 from the original
Distinguishable without hueYesnever rely on hue alone to carry meaning
Contrast with white, large text7.95:1WCAG large text: AAA
Contrast with black, large text2.64:1WCAG large text: Fail

Named colours

Dark slate grey · ΔE 4.8Dim grey · ΔE 13.5Slate grey · ΔE 20.5Gray · ΔE 21.2Light slate grey · ΔE 23.4Teal · ΔE 25.3
Nearest named CSS colourDark slate grey (#2F4F4F)ΔE 4.76, a close match
Hue familycyan
CSS keyword usableNo exact keyword

Colour harmonies

base+30°+90°+120°+180°+210°+240°+270°+330°
Complementary#57403E
Analogous#3E574C, #3E4957
Triadic#573E55, #55573E
Split complementary#573E49, #574D3E
Tetradic#4C3E57, #57403E, #49573E

Tints, shades & saturation

+40%+30%+20%+10%base-10%-20%-30%-40%
Lighter +40%#A3BCBE
Lighter +30%#86A6A8
Lighter +20%#688F93
Lighter +10%#537275
Darker −10%#293839
Darker −20%#141B1B
Darker −30%#000000
Darker −40%#000000
More saturated +25%#2B656A
Less saturated −25%#4B4B4B

Channel breakdown

R62
G85
B87
Red62 (24.3%)
Green85 (33.3%)
Blue87 (34.1%)
Hue184.8°
Saturation (HSL)16.78%
Lightness29.22%
Dominant channelBlue
Hex per channelR 3E · G 55 · B 57

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Every value on this page was computed from “3e5557” by Nerdulator’s colour engine. Nothing here was retrieved from a database of answers or written by a model.