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Colour

#005B64

  • #005B64
  • Cyan
  • Dark
  • Nearest: Dark slate grey

#005B64 is a cyan with RGB values 0, 91, 100 and HSL 185°, 100%, 20%. It is a dark colour, so white text on it reaches 7.8:1 contrast (AAA for normal text). The nearest named colour is Dark slate grey.

Colour values

#005B64#005B64
HEX#005B64
RGBrgb(0, 91, 100)
RGB (0–1)0, 0.3569, 0.3922
RGB percentages0%, 35.7%, 39.2%
HSLhsl(185.4, 100%, 19.6%)
HSV / HSBhsv(185.4, 100%, 39.2%)
CMYK100%, 9%, 0%, 60.8%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer23,396
CSS custom property--colour: #005B64;

Brightness & contrast

Relative luminance0.08402WCAG 2.x, 0 is black and 1 is white
Perceived brightness77.5 of 255ITU-R BT.601 weighting
Light or darkDark
Best text colour on this backgroundWhitecontrast 7.83:1
Contrast with white7.83:1WCAG normal text: AAA
Contrast with black2.68:1WCAG normal text: Fail
Greyscale equivalent#484848
Inverted#FFA49B

Colour vision & accessibility

Normal visionProtanopiaDeuteranopiaTritanopia
Protanopia#525765no red cones; affects about 1% of men; ΔE 21.1 from the original
Deuteranopia#464E64no green cones; the most common form, about 1% of men; ΔE 22.1 from the original
Tritanopia#00605Eno blue cones; rare, and affects men and women equally; ΔE 7.8 from the original
Distinguishable without hueShifts in lightness toonever rely on hue alone to carry meaning
Contrast with white, large text7.83:1WCAG large text: AAA
Contrast with black, large text2.68:1WCAG large text: Fail

Named colours

Dark slate grey · ΔE 11.7Teal · ΔE 16.7Dark cyan · ΔE 20.9Dim grey · ΔE 24.7Slate grey · ΔE 25Cadetblue · ΔE 26.7
Nearest named CSS colourDark slate grey (#2F4F4F)ΔE 11.72, a distinctly different colour
Hue familycyan
CSS keyword usableNo exact keyword

Colour harmonies

base+30°+90°+120°+180°+210°+240°+270°+330°
Complementary#640900
Analogous#00643B, #002964
Triadic#64005B, #5B6400
Split complementary#640029, #643B00
Tetradic#3B0064, #640900, #296400

Tints, shades & saturation

+40%+30%+20%+10%base-10%-20%-30%-40%
Lighter +40%#31ECFF
Lighter +30%#00E6FD
Lighter +20%#00B8CA
Lighter +10%#008997
Darker −10%#002D31
Darker −20%#000000
Darker −30%#000000
Darker −40%#000000
More saturated +25%#005B64
Less saturated −25%#0C5158

Channel breakdown

R0
G91
B100
Red0 (0%)
Green91 (35.7%)
Blue100 (39.2%)
Hue185.4°
Saturation (HSL)100%
Lightness19.61%
Dominant channelBlue
Hex per channelR 00 · G 5B · B 64

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Every value on this page was computed from “005b64” by Nerdulator’s colour engine. Nothing here was retrieved from a database of answers or written by a model.