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Colour

#3A5554

  • #3A5554
  • Cyan
  • Dark
  • Nearest: Dark slate grey

#3A5554 is a cyan with RGB values 58, 85, 84 and HSL 178°, 19%, 28%. 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

#3A5554#3A5554
HEX#3A5554
RGBrgb(58, 85, 84)
RGB (0–1)0.2275, 0.3333, 0.3294
RGB percentages22.7%, 33.3%, 32.9%
HSLhsl(177.8, 18.9%, 28%)
HSV / HSBhsv(177.8, 31.8%, 33.3%)
CMYK31.8%, 0%, 1.2%, 66.7%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer3,822,932
CSS custom property--colour: #3A5554;

Brightness & contrast

Relative luminance0.08037WCAG 2.x, 0 is black and 1 is white
Perceived brightness77.8 of 255ITU-R BT.601 weighting
Light or darkDark
Best text colour on this backgroundWhitecontrast 8.05:1
Contrast with white8.05:1WCAG normal text: AAA
Contrast with black2.61:1WCAG normal text: Fail
Greyscale equivalent#4F4F4F
Inverted#C5AAAB

Colour vision & accessibility

Normal visionProtanopiaDeuteranopiaTritanopia
Protanopia#525254no red cones; affects about 1% of men; ΔE 10.9 from the original
Deuteranopia#4D4E54no green cones; the most common form, about 1% of men; ΔE 11.3 from the original
Tritanopia#315755no blue cones; rare, and affects men and women equally; ΔE 3.8 from the original
Distinguishable without hueYesnever rely on hue alone to carry meaning
Contrast with white, large text8.05:1WCAG large text: AAA
Contrast with black, large text2.61:1WCAG large text: Fail

Named colours

Dark slate grey · ΔE 3.3Dim grey · ΔE 14.9Slate grey · ΔE 22Gray · ΔE 22.3Teal · ΔE 24Light slate grey · ΔE 24.8
Nearest named CSS colourDark slate grey (#2F4F4F)ΔE 3.3, a close match
Hue familycyan
CSS keyword usableNo exact keyword

Colour harmonies

base+30°+90°+120°+180°+210°+240°+270°+330°
Complementary#553A3B
Analogous#3A5547, #3A4855
Triadic#543A55, #55543A
Split complementary#553A48, #55473A
Tetradic#473A55, #553A3B, #48553A

Tints, shades & saturation

+40%+30%+20%+10%base-10%-20%-30%-40%
Lighter +40%#9EBDBC
Lighter +30%#80A8A7
Lighter +20%#639290
Lighter +10%#4F7372
Darker −10%#253736
Darker −20%#111818
Darker −30%#000000
Darker −40%#000000
More saturated +25%#286765
Less saturated −25%#484848

Channel breakdown

R58
G85
B84
Red58 (22.7%)
Green85 (33.3%)
Blue84 (32.9%)
Hue177.78°
Saturation (HSL)18.88%
Lightness28.04%
Dominant channelGreen
Hex per channelR 3A · G 55 · B 54

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Every value on this page was computed from “3a5554” by Nerdulator’s colour engine. Nothing here was retrieved from a database of answers or written by a model.