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Recognised as Colour

#5366B4

  • #5366B4
  • Blue
  • Dark
  • Nearest: Dark slateblue

#5366B4 is a blue with RGB values 83, 102, 180 and HSL 228°, 39%, 52%. It is a dark colour, so white text on it reaches 5.3:1 contrast (AA for normal text). The nearest named colour is Dark slateblue.

Colour values

#5366B4#5366B4
HEX#5366B4
RGBrgb(83, 102, 180)
RGB (0–1)0.3255, 0.4, 0.7059
RGB percentages32.5%, 40%, 70.6%
HSLhsl(228.2, 39.3%, 51.6%)
HSV / HSBhsv(228.2, 53.9%, 70.6%)
CMYK53.9%, 43.3%, 0%, 29.4%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer5,465,780
CSS custom property--colour: #5366B4;

Brightness & contrast

Relative luminance0.14637WCAG 2.x, 0 is black and 1 is white
Perceived brightness108.9 of 255ITU-R BT.601 weighting
Light or darkDark
Best text colour on this backgroundWhitecontrast 5.35:1
Contrast with white5.35:1WCAG normal text: AA
Contrast with black3.93:1WCAG normal text: Fail
Greyscale equivalent#686868
Inverted#AC994B

Colour vision & accessibility

Normal visionProtanopiaDeuteranopiaTritanopia
Protanopia#456FB7no red cones; affects about 1% of men; ΔE 7.9 from the original
Deuteranopia#3A67B2no green cones; the most common form, about 1% of men; ΔE 6.4 from the original
Tritanopia#237784no blue cones; rare, and affects men and women equally; ΔE 46.3 from the original
Distinguishable without hueYesnever rely on hue alone to carry meaning
Contrast with white, large text5.35:1WCAG large text: AAA
Contrast with black, large text3.93:1WCAG large text: AA

Named colours

Dark slateblue · ΔE 17.7Cornflower blue · ΔE 18.8Steel blue · ΔE 24.1Medium purple · ΔE 24.1Royal blue · ΔE 24.1Slate blue · ΔE 24.7
Nearest named CSS colourDark slateblue (#483D8B)ΔE 17.71, a distinctly different colour
Hue familyblue
CSS keyword usableNo exact keyword

Colour harmonies

base+30°+90°+120°+180°+210°+240°+270°+330°
Complementary#B4A153
Analogous#5397B4, #7153B4
Triadic#B45366, #66B453
Split complementary#B47053, #97B453
Tetradic#B45397, #B4A153, #53B470

Tints, shades & saturation

+40%+30%+20%+10%base-10%-20%-30%-40%
Lighter +40%#E1E4F2
Lighter +30%#BEC5E2
Lighter +20%#9AA5D3
Lighter +10%#7786C3
Darker −10%#405194
Darker −20%#313D70
Darker −30%#212A4D
Darker −40%#121629
More saturated +25%#3453D3
Less saturated −25%#727995

Channel breakdown

R83
G102
B180
Red83 (32.5%)
Green102 (40%)
Blue180 (70.6%)
Hue228.25°
Saturation (HSL)39.27%
Lightness51.57%
Dominant channelBlue
Hex per channelR 53 · G 66 · B B4

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Every value on this page was computed from “5366b4” by Nerdulator’s colour engine. Nothing here was retrieved from a database of answers or written by a model.