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Colour

#3549BD

  • #3549BD
  • Blue
  • Dark
  • Nearest: Slate blue

#3549BD is a blue with RGB values 53, 73, 189 and HSL 231°, 56%, 47%. It is a dark colour, so white text on it reaches 7.4:1 contrast (AAA for normal text). The nearest named colour is Slate blue.

Colour values

#3549BD#3549BD
HEX#3549BD
RGBrgb(53, 73, 189)
RGB (0–1)0.2078, 0.2863, 0.7412
RGB percentages20.8%, 28.6%, 74.1%
HSLhsl(231.2, 56.2%, 47.5%)
HSV / HSBhsv(231.2, 72%, 74.1%)
CMYK72%, 61.4%, 0%, 25.9%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer3,492,285
CSS custom property--colour: #3549BD;

Brightness & contrast

Relative luminance0.09196WCAG 2.x, 0 is black and 1 is white
Perceived brightness89.7 of 255ITU-R BT.601 weighting
Light or darkDark
Best text colour on this backgroundWhitecontrast 7.4:1
Contrast with white7.4:1WCAG normal text: AAA
Contrast with black2.84:1WCAG normal text: Fail
Greyscale equivalent#4D4D4D
Inverted#CAB642

Colour vision & accessibility

Normal visionProtanopiaDeuteranopiaTritanopia
Protanopia#005CC1no red cones; affects about 1% of men; ΔE 15.9 from the original
Deuteranopia#004FBBno green cones; the most common form, about 1% of men; ΔE 8.6 from the original
Tritanopia#00677Cno blue cones; rare, and affects men and women equally; ΔE 66.5 from the original
Distinguishable without hueShifts in lightness toonever rely on hue alone to carry meaning
Contrast with white, large text7.4:1WCAG large text: AAA
Contrast with black, large text2.84:1WCAG large text: Fail

Named colours

Slate blue · ΔE 11.2Royal blue · ΔE 13.1Medium slateblue · ΔE 18.3Rebecca purple · ΔE 19.6Dark slateblue · ΔE 22.7Medium purple · ΔE 23.3
Nearest named CSS colourSlate blue (#6A5ACD)ΔE 11.2, a distinctly different colour
Hue familyblue
CSS keyword usableNo exact keyword

Colour harmonies

base+30°+90°+120°+180°+210°+240°+270°+330°
Complementary#BDA935
Analogous#358DBD, #6535BD
Triadic#BD3549, #49BD35
Split complementary#BD6535, #8DBD35
Tetradic#BD358D, #BDA935, #35BD65

Tints, shades & saturation

+40%+30%+20%+10%base-10%-20%-30%-40%
Lighter +40%#CDD2F1
Lighter +30%#A5AFE6
Lighter +20%#7D8BDB
Lighter +10%#5667CF
Darker −10%#2A3A95
Darker −20%#1F2A6D
Darker −30%#131B46
Darker −40%#080B1E
More saturated +25%#1734DB
Less saturated −25%#535E9F

Channel breakdown

R53
G73
B189
Red53 (20.8%)
Green73 (28.6%)
Blue189 (74.1%)
Hue231.18°
Saturation (HSL)56.2%
Lightness47.45%
Dominant channelBlue
Hex per channelR 35 · G 49 · B BD

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Every value on this page was computed from “3549bd” by Nerdulator’s colour engine. Nothing here was retrieved from a database of answers or written by a model.