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Recognised as Colour

#3A5966

  • #3A5966
  • Cyan
  • Dark
  • Nearest: Dark slate grey

#3A5966 is a cyan with RGB values 58, 89, 102 and HSL 198°, 28%, 31%. It is a dark colour, so white text on it reaches 7.5:1 contrast (AAA for normal text). The nearest named colour is Dark slate grey.

Colour values

#3A5966#3A5966
HEX#3A5966
RGBrgb(58, 89, 102)
RGB (0–1)0.2275, 0.349, 0.4
RGB percentages22.7%, 34.9%, 40%
HSLhsl(197.7, 27.5%, 31.4%)
HSV / HSBhsv(197.7, 43.1%, 40%)
CMYK43.1%, 12.7%, 0%, 60%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer3,823,974
CSS custom property--colour: #3A5966;

Brightness & contrast

Relative luminance0.09004WCAG 2.x, 0 is black and 1 is white
Perceived brightness82.7 of 255ITU-R BT.601 weighting
Light or darkDark
Best text colour on this backgroundWhitecontrast 7.5:1
Contrast with white7.5:1WCAG normal text: AAA
Contrast with black2.8:1WCAG normal text: Fail
Greyscale equivalent#535353
Inverted#C5A699

Colour vision & accessibility

Normal visionProtanopiaDeuteranopiaTritanopia
Protanopia#525867no red cones; affects about 1% of men; ΔE 9.1 from the original
Deuteranopia#4B5266no green cones; the most common form, about 1% of men; ΔE 10 from the original
Tritanopia#295D5Dno blue cones; rare, and affects men and women equally; ΔE 11.2 from the original
Distinguishable without hueYesnever rely on hue alone to carry meaning
Contrast with white, large text7.5:1WCAG large text: AAA
Contrast with black, large text2.8:1WCAG large text: Fail

Named colours

Dark slate grey · ΔE 9.7Dim grey · ΔE 15.9Slate grey · ΔE 17.7Light slate grey · ΔE 20.6Gray · ΔE 22.1Teal · ΔE 24.7
Nearest named CSS colourDark slate grey (#2F4F4F)ΔE 9.65, clearly different but related
Hue familycyan
CSS keyword usableNo exact keyword

Colour harmonies

base+30°+90°+120°+180°+210°+240°+270°+330°
Complementary#66473A
Analogous#3A665D, #3A4366
Triadic#663A59, #59663A
Split complementary#663A43, #665D3A
Tetradic#5D3A66, #66473A, #43663A

Tints, shades & saturation

+40%+30%+20%+10%base-10%-20%-30%-40%
Lighter +40%#A2BECA
Lighter +30%#81A8B8
Lighter +20%#6191A5
Lighter +10%#4C7587
Darker −10%#283D45
Darker −20%#152025
Darker −30%#030404
Darker −40%#000000
More saturated +25%#26617A
Less saturated −25%#4E5152

Channel breakdown

R58
G89
B102
Red58 (22.7%)
Green89 (34.9%)
Blue102 (40%)
Hue197.73°
Saturation (HSL)27.5%
Lightness31.37%
Dominant channelBlue
Hex per channelR 3A · G 59 · B 66

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Every value on this page was computed from “3a5966” by Nerdulator’s colour engine. Nothing here was retrieved from a database of answers or written by a model.