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Recognised as Colour

#534DB9

  • #534DB9
  • Blue
  • Dark
  • Nearest: Slate blue

#534DB9 is a blue with RGB values 83, 77, 185 and HSL 243°, 44%, 51%. It is a dark colour, so white text on it reaches 6.7:1 contrast (AA for normal text). The nearest named colour is Slate blue.

Colour values

#534DB9#534DB9
HEX#534DB9
RGBrgb(83, 77, 185)
RGB (0–1)0.3255, 0.302, 0.7255
RGB percentages32.5%, 30.2%, 72.5%
HSLhsl(243.3, 43.5%, 51.4%)
HSV / HSBhsv(243.3, 58.4%, 72.5%)
CMYK55.1%, 58.4%, 0%, 27.5%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer5,459,385
CSS custom property--colour: #534DB9;

Brightness & contrast

Relative luminance0.1065WCAG 2.x, 0 is black and 1 is white
Perceived brightness97.2 of 255ITU-R BT.601 weighting
Light or darkDark
Best text colour on this backgroundWhitecontrast 6.71:1
Contrast with white6.71:1WCAG normal text: AA
Contrast with black3.13:1WCAG normal text: Fail
Greyscale equivalent#565656
Inverted#ACB246

Colour vision & accessibility

Normal visionProtanopiaDeuteranopiaTritanopia
Protanopia#0060BDno red cones; affects about 1% of men; ΔE 20.1 from the original
Deuteranopia#0058B7no green cones; the most common form, about 1% of men; ΔE 17.1 from the original
Tritanopia#22667Bno blue cones; rare, and affects men and women equally; ΔE 60.7 from the original
Distinguishable without hueYesnever rely on hue alone to carry meaning
Contrast with white, large text6.71:1WCAG large text: AAA
Contrast with black, large text3.13:1WCAG large text: AA

Named colours

Slate blue · ΔE 7.1Royal blue · ΔE 14.2Rebecca purple · ΔE 14.9Medium purple · ΔE 17.6Medium slateblue · ΔE 17.8Dark slateblue · ΔE 18
Nearest named CSS colourSlate blue (#6A5ACD)ΔE 7.13, clearly different but related
Hue familyblue
CSS keyword usableNo exact keyword

Colour harmonies

base+30°+90°+120°+180°+210°+240°+270°+330°
Complementary#B3B94D
Analogous#4D7DB9, #894DB9
Triadic#B9534D, #4DB953
Split complementary#B9894D, #7DB94D
Tetradic#B94D7D, #B3B94D, #4DB989

Tints, shades & saturation

+40%+30%+20%+10%base-10%-20%-30%-40%
Lighter +40%#E0DFF3
Lighter +30%#BDBBE4
Lighter +20%#9A96D6
Lighter +10%#7672C7
Darker −10%#413C97
Darker −20%#312D73
Darker −30%#211F4E
Darker −40%#12102A
More saturated +25%#372ED8
Less saturated −25%#6F6C9A

Channel breakdown

R83
G77
B185
Red83 (32.5%)
Green77 (30.2%)
Blue185 (72.5%)
Hue243.33°
Saturation (HSL)43.55%
Lightness51.37%
Dominant channelBlue
Hex per channelR 53 · G 4D · B B9

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Every value on this page was computed from “534db9” by Nerdulator’s colour engine. Nothing here was retrieved from a database of answers or written by a model.