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Recognised as Colour

#455D53

  • #455D53
  • Cyan
  • Dark
  • Nearest: Dark slate grey

#455D53 is a cyan with RGB values 69, 93, 83 and HSL 155°, 15%, 32%. It is a dark colour, so white text on it reaches 7.1:1 contrast (AAA for normal text). The nearest named colour is Dark slate grey.

Colour values

#455D53#455D53
HEX#455D53
RGBrgb(69, 93, 83)
RGB (0–1)0.2706, 0.3647, 0.3255
RGB percentages27.1%, 36.5%, 32.5%
HSLhsl(155, 14.8%, 31.8%)
HSV / HSBhsv(155, 25.8%, 36.5%)
CMYK25.8%, 0%, 10.8%, 63.5%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer4,545,875
CSS custom property--colour: #455D53;

Brightness & contrast

Relative luminance0.09718WCAG 2.x, 0 is black and 1 is white
Perceived brightness85.4 of 255ITU-R BT.601 weighting
Light or darkDark
Best text colour on this backgroundWhitecontrast 7.13:1
Contrast with white7.13:1WCAG normal text: AAA
Contrast with black2.94:1WCAG normal text: Fail
Greyscale equivalent#575757
Inverted#BAA2AC

Colour vision & accessibility

Normal visionProtanopiaDeuteranopiaTritanopia
Protanopia#5C5A53no red cones; affects about 1% of men; ΔE 10.9 from the original
Deuteranopia#575754no green cones; the most common form, about 1% of men; ΔE 10.8 from the original
Tritanopia#405D5Ano blue cones; rare, and affects men and women equally; ΔE 4.5 from the original
Distinguishable without hueYesnever rely on hue alone to carry meaning
Contrast with white, large text7.13:1WCAG large text: AAA
Contrast with black, large text2.94:1WCAG large text: Fail

Named colours

Dark slate grey · ΔE 8.9Dim grey · ΔE 13.7Gray · ΔE 20.1Slate grey · ΔE 22.5Teal · ΔE 23.5Light slate grey · ΔE 25
Nearest named CSS colourDark slate grey (#2F4F4F)ΔE 8.93, clearly different but related
Hue familycyan
CSS keyword usableNo exact keyword

Colour harmonies

base+30°+90°+120°+180°+210°+240°+270°+330°
Complementary#5D454F
Analogous#455D47, #455B5D
Triadic#53455D, #5D5345
Split complementary#5D455B, #5D4745
Tetradic#47455D, #5D454F, #5B5D45

Tints, shades & saturation

+40%+30%+20%+10%base-10%-20%-30%-40%
Lighter +40%#ACC2B9
Lighter +30%#8FACA0
Lighter +20%#729687
Lighter +10%#5B7A6D
Darker −10%#2F4039
Darker −20%#1A221F
Darker −30%#040505
Darker −40%#000000
More saturated +25%#317156
Less saturated −25%#515151

Channel breakdown

R69
G93
B83
Red69 (27.1%)
Green93 (36.5%)
Blue83 (32.5%)
Hue155°
Saturation (HSL)14.81%
Lightness31.76%
Dominant channelGreen
Hex per channelR 45 · G 5D · B 53

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Every value on this page was computed from “455d53” by Nerdulator’s colour engine. Nothing here was retrieved from a database of answers or written by a model.