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Recognised as Colour

#536B89

  • #536B89
  • Blue
  • Dark
  • Nearest: Slate grey

#536B89 is a blue with RGB values 83, 107, 137 and HSL 213°, 25%, 43%. It is a dark colour, so white text on it reaches 5.5:1 contrast (AA for normal text). The nearest named colour is Slate grey.

Colour values

#536B89#536B89
HEX#536B89
RGBrgb(83, 107, 137)
RGB (0–1)0.3255, 0.4196, 0.5373
RGB percentages32.5%, 42%, 53.7%
HSLhsl(213.3, 24.5%, 43.1%)
HSV / HSBhsv(213.3, 39.4%, 53.7%)
CMYK39.4%, 21.9%, 0%, 46.3%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer5,467,017
CSS custom property--colour: #536B89;

Brightness & contrast

Relative luminance0.14161WCAG 2.x, 0 is black and 1 is white
Perceived brightness104.5 of 255ITU-R BT.601 weighting
Light or darkDark
Best text colour on this backgroundWhitecontrast 5.48:1
Contrast with white5.48:1WCAG normal text: AA
Contrast with black3.83:1WCAG normal text: Fail
Greyscale equivalent#686868
Inverted#AC9476

Colour vision & accessibility

Normal visionProtanopiaDeuteranopiaTritanopia
Protanopia#606C8Ano red cones; affects about 1% of men; ΔE 4.1 from the original
Deuteranopia#5A6788no green cones; the most common form, about 1% of men; ΔE 4.4 from the original
Tritanopia#417275no blue cones; rare, and affects men and women equally; ΔE 19.5 from the original
Distinguishable without hueYesnever rely on hue alone to carry meaning
Contrast with white, large text5.48:1WCAG large text: AAA
Contrast with black, large text3.83:1WCAG large text: AA

Named colours

Slate grey · ΔE 12.2Light slate grey · ΔE 14.2Steel blue · ΔE 15.5Dim grey · ΔE 19.4Gray · ΔE 21.4Dark slate grey · ΔE 23.2
Nearest named CSS colourSlate grey (#708090)ΔE 12.21, a distinctly different colour
Hue familyblue
CSS keyword usableNo exact keyword

Colour harmonies

base+30°+90°+120°+180°+210°+240°+270°+330°
Complementary#897153
Analogous#538689, #565389
Triadic#89536B, #6B8953
Split complementary#895653, #868953
Tetradic#895386, #897153, #538956

Tints, shades & saturation

+40%+30%+20%+10%base-10%-20%-30%-40%
Lighter +40%#C9D3DF
Lighter +30%#AAB9CB
Lighter +20%#8A9EB8
Lighter +10%#6A84A5
Darker −10%#405269
Darker −20%#2D3949
Darker −30%#19212A
Darker −40%#06080A
More saturated +25%#3868A4
Less saturated −25%#6E6E6E

Channel breakdown

R83
G107
B137
Red83 (32.5%)
Green107 (42%)
Blue137 (53.7%)
Hue213.33°
Saturation (HSL)24.55%
Lightness43.14%
Dominant channelBlue
Hex per channelR 53 · G 6B · B 89

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Every value on this page was computed from “536b89” by Nerdulator’s colour engine. Nothing here was retrieved from a database of answers or written by a model.