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Recognised as Colour

#455C59

  • #455C59
  • Cyan
  • Dark
  • Nearest: Dark slate grey

#455C59 is a cyan with RGB values 69, 92, 89 and HSL 172°, 14%, 32%. It is a dark colour, so white text on it reaches 7.2:1 contrast (AAA for normal text). The nearest named colour is Dark slate grey.

Colour values

#455C59#455C59
HEX#455C59
RGBrgb(69, 92, 89)
RGB (0–1)0.2706, 0.3608, 0.349
RGB percentages27.1%, 36.1%, 34.9%
HSLhsl(172.2, 14.3%, 31.6%)
HSV / HSBhsv(172.2, 25%, 36.1%)
CMYK25%, 0%, 3.3%, 63.9%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer4,545,625
CSS custom property--colour: #455C59;

Brightness & contrast

Relative luminance0.09641WCAG 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 7.17:1
Contrast with white7.17:1WCAG normal text: AAA
Contrast with black2.93:1WCAG normal text: Fail
Greyscale equivalent#575757
Inverted#BAA3A6

Colour vision & accessibility

Normal visionProtanopiaDeuteranopiaTritanopia
Protanopia#5A5959no red cones; affects about 1% of men; ΔE 9.9 from the original
Deuteranopia#555659no green cones; the most common form, about 1% of men; ΔE 9.7 from the original
Tritanopia#3E5D5Bno blue cones; rare, and affects men and women equally; ΔE 2.8 from the original
Distinguishable without hueYesnever rely on hue alone to carry meaning
Contrast with white, large text7.17:1WCAG large text: AAA
Contrast with black, large text2.93:1WCAG large text: Fail

Named colours

Dark slate grey · ΔE 6.9Dim grey · ΔE 11.9Gray · ΔE 18.9Slate grey · ΔE 19.7Light slate grey · ΔE 22.4Teal · ΔE 23.6
Nearest named CSS colourDark slate grey (#2F4F4F)ΔE 6.89, clearly different but related
Hue familycyan
CSS keyword usableNo exact keyword

Colour harmonies

base+30°+90°+120°+180°+210°+240°+270°+330°
Complementary#5C4548
Analogous#455C4E, #45545C
Triadic#59455C, #5C5945
Split complementary#5C4554, #5C4E45
Tetradic#4D455C, #5C4548, #545C45

Tints, shades & saturation

+40%+30%+20%+10%base-10%-20%-30%-40%
Lighter +40%#ACC1BE
Lighter +30%#8FABA7
Lighter +20%#729591
Lighter +10%#5B7975
Darker −10%#2F3F3D
Darker −20%#192221
Darker −30%#030504
Darker −40%#000000
More saturated +25%#317068
Less saturated −25%#515151

Channel breakdown

R69
G92
B89
Red69 (27.1%)
Green92 (36.1%)
Blue89 (34.9%)
Hue172.17°
Saturation (HSL)14.29%
Lightness31.57%
Dominant channelGreen
Hex per channelR 45 · G 5C · B 59

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Every value on this page was computed from “455c59” by Nerdulator’s colour engine. Nothing here was retrieved from a database of answers or written by a model.