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Recognised as Colour

#545D73

  • #545D73
  • Blue
  • Dark
  • Nearest: Slate grey

#545D73 is a blue with RGB values 84, 93, 115 and HSL 223°, 16%, 39%. It is a dark colour, so white text on it reaches 6.6:1 contrast (AA for normal text). The nearest named colour is Slate grey.

Colour values

#545D73#545D73
HEX#545D73
RGBrgb(84, 93, 115)
RGB (0–1)0.3294, 0.3647, 0.451
RGB percentages32.9%, 36.5%, 45.1%
HSLhsl(222.6, 15.6%, 39%)
HSV / HSBhsv(222.6, 27%, 45.1%)
CMYK27%, 19.1%, 0%, 54.9%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer5,528,947
CSS custom property--colour: #545D73;

Brightness & contrast

Relative luminance0.10951WCAG 2.x, 0 is black and 1 is white
Perceived brightness93.2 of 255ITU-R BT.601 weighting
Light or darkDark
Best text colour on this backgroundWhitecontrast 6.58:1
Contrast with white6.58:1WCAG normal text: AA
Contrast with black3.19:1WCAG normal text: Fail
Greyscale equivalent#5D5D5D
Inverted#ABA28C

Colour vision & accessibility

Normal visionProtanopiaDeuteranopiaTritanopia
Protanopia#565F74no red cones; affects about 1% of men; ΔE 1 from the original
Deuteranopia#545C72no green cones; the most common form, about 1% of men; ΔE 0.5 from the original
Tritanopia#4C6164no blue cones; rare, and affects men and women equally; ΔE 13 from the original
Distinguishable without hueYesnever rely on hue alone to carry meaning
Contrast with white, large text6.58:1WCAG large text: AAA
Contrast with black, large text3.19:1WCAG large text: AA

Named colours

Slate grey · ΔE 14.3Dim grey · ΔE 14.6Light slate grey · ΔE 17.1Dark slate grey · ΔE 18.8Gray · ΔE 19.7Steel blue · ΔE 23.4
Nearest named CSS colourSlate grey (#708090)ΔE 14.28, a distinctly different colour
Hue familyblue
CSS keyword usableNo exact keyword

Colour harmonies

base+30°+90°+120°+180°+210°+240°+270°+330°
Complementary#736A54
Analogous#546D73, #5B5473
Triadic#73545D, #5D7354
Split complementary#735B54, #6D7354
Tetradic#73546D, #736A54, #54735B

Tints, shades & saturation

+40%+30%+20%+10%base-10%-20%-30%-40%
Lighter +40%#C1C6D2
Lighter +30%#A4ABBC
Lighter +20%#8690A7
Lighter +10%#6A7590
Darker −10%#3E4556
Darker −20%#292D38
Darker −30%#13151B
Darker −40%#000000
More saturated +25%#3B538C
Less saturated −25%#646464

Channel breakdown

R84
G93
B115
Red84 (32.9%)
Green93 (36.5%)
Blue115 (45.1%)
Hue222.58°
Saturation (HSL)15.58%
Lightness39.02%
Dominant channelBlue
Hex per channelR 54 · G 5D · B 73

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Every value on this page was computed from “545d73” by Nerdulator’s colour engine. Nothing here was retrieved from a database of answers or written by a model.