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Colour

#455D54

  • #455D54
  • Cyan
  • Dark
  • Nearest: Dark slate grey

#455D54 is a cyan with RGB values 69, 93, 84 and HSL 158°, 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

#455D54#455D54
HEX#455D54
RGBrgb(69, 93, 84)
RGB (0–1)0.2706, 0.3647, 0.3294
RGB percentages27.1%, 36.5%, 32.9%
HSLhsl(157.5, 14.8%, 31.8%)
HSV / HSBhsv(157.5, 25.8%, 36.5%)
CMYK25.8%, 0%, 9.7%, 63.5%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer4,545,876
CSS custom property--colour: #455D54;

Brightness & contrast

Relative luminance0.09734WCAG 2.x, 0 is black and 1 is white
Perceived brightness85.5 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 black2.95:1WCAG normal text: Fail
Greyscale equivalent#575757
Inverted#BAA2AB

Colour vision & accessibility

Normal visionProtanopiaDeuteranopiaTritanopia
Protanopia#5C5A54no red cones; affects about 1% of men; ΔE 10.9 from the original
Deuteranopia#575755no green cones; the most common form, about 1% of men; ΔE 10.8 from the original
Tritanopia#3F5D5Ano blue cones; rare, and affects men and women equally; ΔE 4.1 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 text2.95:1WCAG large text: Fail

Named colours

Dark slate grey · ΔE 8.5Dim grey · ΔE 13.4Gray · ΔE 19.8Slate grey · ΔE 22Teal · ΔE 23.4Light slate grey · ΔE 24.5
Nearest named CSS colourDark slate grey (#2F4F4F)ΔE 8.55, clearly different but related
Hue familycyan
CSS keyword usableNo exact keyword

Colour harmonies

base+30°+90°+120°+180°+210°+240°+270°+330°
Complementary#5D454E
Analogous#455D48, #455A5D
Triadic#54455D, #5D5445
Split complementary#5D455A, #5D4845
Tetradic#48455D, #5D454E, #5A5D45

Tints, shades & saturation

+40%+30%+20%+10%base-10%-20%-30%-40%
Lighter +40%#ACC2BA
Lighter +30%#8FACA1
Lighter +20%#729689
Lighter +10%#5B7A6E
Darker −10%#2F403A
Darker −20%#1A221F
Darker −30%#040505
Darker −40%#000000
More saturated +25%#317159
Less saturated −25%#515151

Channel breakdown

R69
G93
B84
Red69 (27.1%)
Green93 (36.5%)
Blue84 (32.9%)
Hue157.5°
Saturation (HSL)14.81%
Lightness31.76%
Dominant channelGreen
Hex per channelR 45 · G 5D · B 54

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Every value on this page was computed from “455d54” by Nerdulator’s colour engine. Nothing here was retrieved from a database of answers or written by a model.