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Recognised as Colour

#53728B

  • #53728B
  • Blue
  • Dark
  • Nearest: Slate grey

#53728B is a blue with RGB values 83, 114, 139 and HSL 207°, 25%, 44%. It is a dark colour, so white text on it reaches 5.1:1 contrast (AA for normal text). The nearest named colour is Slate grey.

Colour values

#53728B#53728B
HEX#53728B
RGBrgb(83, 114, 139)
RGB (0–1)0.3255, 0.4471, 0.5451
RGB percentages32.5%, 44.7%, 54.5%
HSLhsl(206.8, 25.2%, 43.5%)
HSV / HSBhsv(206.8, 40.3%, 54.5%)
CMYK40.3%, 18%, 0%, 45.5%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer5,468,811
CSS custom property--colour: #53728B;

Brightness & contrast

Relative luminance0.15738WCAG 2.x, 0 is black and 1 is white
Perceived brightness109 of 255ITU-R BT.601 weighting
Light or darkDark
Best text colour on this backgroundWhitecontrast 5.06:1
Contrast with white5.06:1WCAG normal text: AA
Contrast with black4.15:1WCAG normal text: Fail
Greyscale equivalent#6D6D6D
Inverted#AC8D74

Colour vision & accessibility

Normal visionProtanopiaDeuteranopiaTritanopia
Protanopia#68728Cno red cones; affects about 1% of men; ΔE 7.2 from the original
Deuteranopia#606C8Bno green cones; the most common form, about 1% of men; ΔE 7.7 from the original
Tritanopia#3F787Ano blue cones; rare, and affects men and women equally; ΔE 17.2 from the original
Distinguishable without hueYesnever rely on hue alone to carry meaning
Contrast with white, large text5.06:1WCAG large text: AAA
Contrast with black, large text4.15:1WCAG large text: AA

Named colours

Slate grey · ΔE 9.4Light slate grey · ΔE 11.3Steel blue · ΔE 16.1Dim grey · ΔE 17.9Gray · ΔE 19.1Dark slate grey · ΔE 21.7
Nearest named CSS colourSlate grey (#708090)ΔE 9.36, clearly different but related
Hue familyblue
CSS keyword usableNo exact keyword

Colour harmonies

base+30°+90°+120°+180°+210°+240°+270°+330°
Complementary#8B6C53
Analogous#538B88, #53568B
Triadic#8B5372, #728B53
Split complementary#8B5356, #8B8853
Tetradic#88538B, #8B6C53, #568B53

Tints, shades & saturation

+40%+30%+20%+10%base-10%-20%-30%-40%
Lighter +40%#CAD6E0
Lighter +30%#AABDCD
Lighter +20%#8BA5B9
Lighter +10%#6B8CA6
Darker −10%#40586B
Darker −20%#2D3E4B
Darker −30%#1A232B
Darker −40%#07090B
More saturated +25%#3775A7
Less saturated −25%#6F6F6F

Channel breakdown

R83
G114
B139
Red83 (32.5%)
Green114 (44.7%)
Blue139 (54.5%)
Hue206.79°
Saturation (HSL)25.23%
Lightness43.53%
Dominant channelBlue
Hex per channelR 53 · G 72 · B 8B

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Every value on this page was computed from “53728b” by Nerdulator’s colour engine. Nothing here was retrieved from a database of answers or written by a model.