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Recognised as Colour

#535BDD

  • #535BDD
  • Blue
  • Dark
  • Nearest: Medium slateblue

#535BDD is a blue with RGB values 83, 91, 221 and HSL 237°, 67%, 60%. It is a dark colour, so white text on it reaches 5.4:1 contrast (AA for normal text). The nearest named colour is Medium slateblue.

Colour values

#535BDD#535BDD
HEX#535BDD
RGBrgb(83, 91, 221)
RGB (0–1)0.3255, 0.3569, 0.8667
RGB percentages32.5%, 35.7%, 86.7%
HSLhsl(236.5, 67%, 59.6%)
HSV / HSBhsv(236.5, 62.4%, 86.7%)
CMYK62.4%, 58.8%, 0%, 13.3%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer5,463,005
CSS custom property--colour: #535BDD;

Brightness & contrast

Relative luminance0.14542WCAG 2.x, 0 is black and 1 is white
Perceived brightness111.8 of 255ITU-R BT.601 weighting
Light or darkDark
Best text colour on this backgroundWhitecontrast 5.37:1
Contrast with white5.37:1WCAG normal text: AA
Contrast with black3.91:1WCAG normal text: Fail
Greyscale equivalent#636363
Inverted#ACA422

Colour vision & accessibility

Normal visionProtanopiaDeuteranopiaTritanopia
Protanopia#0071E1no red cones; affects about 1% of men; ΔE 20.3 from the original
Deuteranopia#0065DAno green cones; the most common form, about 1% of men; ΔE 14.8 from the original
Tritanopia#007B93no blue cones; rare, and affects men and women equally; ΔE 72.8 from the original
Distinguishable without hueShifts in lightness toonever rely on hue alone to carry meaning
Contrast with white, large text5.37:1WCAG large text: AAA
Contrast with black, large text3.91:1WCAG large text: AA

Named colours

Medium slateblue · ΔE 8.9Slate blue · ΔE 9.8Royal blue · ΔE 10.6Medium purple · ΔE 20.1Rebecca purple · ΔE 24.6Dark orchid · ΔE 29.9
Nearest named CSS colourMedium slateblue (#7B68EE)ΔE 8.91, clearly different but related
Hue familyblue
CSS keyword usableNo exact keyword

Colour harmonies

base+30°+90°+120°+180°+210°+240°+270°+330°
Complementary#DDD553
Analogous#53A0DD, #9053DD
Triadic#DD535B, #5BDD53
Split complementary#DD9053, #A0DD53
Tetradic#DD53A0, #DDD553, #53DD90

Tints, shades & saturation

+40%+30%+20%+10%base-10%-20%-30%-40%
Lighter +40%#FDFDFF
Lighter +30%#D3D5F6
Lighter +20%#A8ACEE
Lighter +10%#7E84E5
Darker −10%#2A34D3
Darker −20%#2129A9
Darker −30%#191F7E
Darker −40%#111453
More saturated +25%#3944F7
Less saturated −25%#6D72C3

Channel breakdown

R83
G91
B221
Red83 (32.5%)
Green91 (35.7%)
Blue221 (86.7%)
Hue236.52°
Saturation (HSL)66.99%
Lightness59.61%
Dominant channelBlue
Hex per channelR 53 · G 5B · B DD

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Every value on this page was computed from “535bdd” by Nerdulator’s colour engine. Nothing here was retrieved from a database of answers or written by a model.