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Recognised as Colour

#06555D

  • #06555D
  • Cyan
  • Dark
  • Nearest: Dark slate grey

#06555D is a cyan with RGB values 6, 85, 93 and HSL 186°, 88%, 19%. It is a dark colour, so white text on it reaches 8.5:1 contrast (AAA for normal text). The nearest named colour is Dark slate grey.

Colour values

#06555D#06555D
HEX#06555D
RGBrgb(6, 85, 93)
RGB (0–1)0.0235, 0.3333, 0.3647
RGB percentages2.4%, 33.3%, 36.5%
HSLhsl(185.5, 87.9%, 19.4%)
HSV / HSBhsv(185.5, 93.5%, 36.5%)
CMYK93.5%, 8.6%, 0%, 63.5%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer415,069
CSS custom property--colour: #06555D;

Brightness & contrast

Relative luminance0.07326WCAG 2.x, 0 is black and 1 is white
Perceived brightness72.4 of 255ITU-R BT.601 weighting
Light or darkDark
Best text colour on this backgroundWhitecontrast 8.52:1
Contrast with white8.52:1WCAG normal text: AAA
Contrast with black2.47:1WCAG normal text: Fail
Greyscale equivalent#454545
Inverted#F9AAA2

Colour vision & accessibility

Normal visionProtanopiaDeuteranopiaTritanopia
Protanopia#4D515Eno red cones; affects about 1% of men; ΔE 20 from the original
Deuteranopia#42495Dno green cones; the most common form, about 1% of men; ΔE 20.7 from the original
Tritanopia#005957no blue cones; rare, and affects men and women equally; ΔE 7.3 from the original
Distinguishable without hueShifts in lightness toonever rely on hue alone to carry meaning
Contrast with white, large text8.52:1WCAG large text: AAA
Contrast with black, large text2.47:1WCAG large text: Fail

Named colours

Dark slate grey · ΔE 9.7Teal · ΔE 19.1Dark cyan · ΔE 23.3Dim grey · ΔE 24.3Slate grey · ΔE 25.9Light slate grey · ΔE 28.3
Nearest named CSS colourDark slate grey (#2F4F4F)ΔE 9.7, clearly different but related
Hue familycyan
CSS keyword usableNo exact keyword

Colour harmonies

base+30°+90°+120°+180°+210°+240°+270°+330°
Complementary#5D0E06
Analogous#065D39, #062A5D
Triadic#5D0655, #555D06
Split complementary#5D062A, #5D3A06
Tetradic#39065D, #5D0E06, #295D06

Tints, shades & saturation

+40%+30%+20%+10%base-10%-20%-30%-40%
Lighter +40%#3DE2F2
Lighter +30%#0FD8ED
Lighter +20%#0CADBD
Lighter +10%#09818D
Darker −10%#03292D
Darker −20%#000000
Darker −30%#000000
Darker −40%#000000
More saturated +25%#005A63
Less saturated −25%#124B51

Channel breakdown

R6
G85
B93
Red6 (2.4%)
Green85 (33.3%)
Blue93 (36.5%)
Hue185.52°
Saturation (HSL)87.88%
Lightness19.41%
Dominant channelBlue
Hex per channelR 06 · G 55 · B 5D

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Every value on this page was computed from “06555d” by Nerdulator’s colour engine. Nothing here was retrieved from a database of answers or written by a model.