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Recognised as Colour

#536EB5

  • #536EB5
  • Blue
  • Dark
  • Nearest: Cornflower blue

#536EB5 is a blue with RGB values 83, 110, 181 and HSL 223°, 40%, 52%. It is a dark colour, so white text on it reaches 4.9:1 contrast (AA for normal text). The nearest named colour is Cornflower blue.

Colour values

#536EB5#536EB5
HEX#536EB5
RGBrgb(83, 110, 181)
RGB (0–1)0.3255, 0.4314, 0.7098
RGB percentages32.5%, 43.1%, 71%
HSLhsl(223.5, 39.8%, 51.8%)
HSV / HSBhsv(223.5, 54.1%, 71%)
CMYK54.1%, 39.2%, 0%, 29%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer5,467,829
CSS custom property--colour: #536EB5;

Brightness & contrast

Relative luminance0.16327WCAG 2.x, 0 is black and 1 is white
Perceived brightness113.6 of 255ITU-R BT.601 weighting
Light or darkDark
Best text colour on this backgroundWhitecontrast 4.92:1
Contrast with white4.92:1WCAG normal text: AA
Contrast with black4.27:1WCAG normal text: Fail
Greyscale equivalent#6D6D6D
Inverted#AC914A

Colour vision & accessibility

Normal visionProtanopiaDeuteranopiaTritanopia
Protanopia#5175B8no red cones; affects about 1% of men; ΔE 4.5 from the original
Deuteranopia#466CB3no green cones; the most common form, about 1% of men; ΔE 2.8 from the original
Tritanopia#1F7D89no blue cones; rare, and affects men and women equally; ΔE 42.4 from the original
Distinguishable without hueYesnever rely on hue alone to carry meaning
Contrast with white, large text4.92:1WCAG large text: AAA
Contrast with black, large text4.27:1WCAG large text: AA

Named colours

Cornflower blue · ΔE 17Steel blue · ΔE 18.1Dark slateblue · ΔE 22.4Dodgerblue · ΔE 25.7Medium purple · ΔE 28.4Royal blue · ΔE 28.9
Nearest named CSS colourCornflower blue (#6495ED)ΔE 16.97, a distinctly different colour
Hue familyblue
CSS keyword usableNo exact keyword

Colour harmonies

base+30°+90°+120°+180°+210°+240°+270°+330°
Complementary#B59A53
Analogous#539FB5, #6953B5
Triadic#B5536E, #6EB553
Split complementary#B56953, #9FB553
Tetradic#B5539F, #B59A53, #53B569

Tints, shades & saturation

+40%+30%+20%+10%base-10%-20%-30%-40%
Lighter +40%#E2E6F2
Lighter +30%#BEC8E3
Lighter +20%#9AAAD4
Lighter +10%#778CC4
Darker −10%#405795
Darker −20%#314371
Darker −30%#212E4E
Darker −40%#12192A
More saturated +25%#3460D4
Less saturated −25%#727C96

Channel breakdown

R83
G110
B181
Red83 (32.5%)
Green110 (43.1%)
Blue181 (71%)
Hue223.47°
Saturation (HSL)39.84%
Lightness51.76%
Dominant channelBlue
Hex per channelR 53 · G 6E · B B5

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Every value on this page was computed from “536eb5” by Nerdulator’s colour engine. Nothing here was retrieved from a database of answers or written by a model.