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Recognised as Colour

#5742BF

  • #5742BF
  • Blue
  • Dark
  • Nearest: Slate blue

#5742BF is a blue with RGB values 87, 66, 191 and HSL 250°, 49%, 50%. It is a dark colour, so white text on it reaches 7.2:1 contrast (AAA for normal text). The nearest named colour is Slate blue.

Colour values

#5742BF#5742BF
HEX#5742BF
RGBrgb(87, 66, 191)
RGB (0–1)0.3412, 0.2588, 0.749
RGB percentages34.1%, 25.9%, 74.9%
HSLhsl(250.1, 49.4%, 50.4%)
HSV / HSBhsv(250.1, 65.4%, 74.9%)
CMYK54.5%, 65.4%, 0%, 25.1%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer5,718,719
CSS custom property--colour: #5742BF;

Brightness & contrast

Relative luminance0.09684WCAG 2.x, 0 is black and 1 is white
Perceived brightness94.8 of 255ITU-R BT.601 weighting
Light or darkDark
Best text colour on this backgroundWhitecontrast 7.15:1
Contrast with white7.15:1WCAG normal text: AAA
Contrast with black2.94:1WCAG normal text: Fail
Greyscale equivalent#4F4F4F
Inverted#A8BD40

Colour vision & accessibility

Normal visionProtanopiaDeuteranopiaTritanopia
Protanopia#005BC3no red cones; affects about 1% of men; ΔE 23.7 from the original
Deuteranopia#0054BDno green cones; the most common form, about 1% of men; ΔE 21.3 from the original
Tritanopia#29617Bno blue cones; rare, and affects men and women equally; ΔE 67.3 from the original
Distinguishable without hueShifts in lightness toonever rely on hue alone to carry meaning
Contrast with white, large text7.15:1WCAG large text: AAA
Contrast with black, large text2.94:1WCAG large text: Fail

Named colours

Slate blue · ΔE 11.4Medium slateblue · ΔE 15.2Rebecca purple · ΔE 16.3Royal blue · ΔE 19.3Indigo · ΔE 21.5Medium purple · ΔE 22.5
Nearest named CSS colourSlate blue (#6A5ACD)ΔE 11.37, a distinctly different colour
Hue familyblue
CSS keyword usableNo exact keyword

Colour harmonies

base+30°+90°+120°+180°+210°+240°+270°+330°
Complementary#AABF42
Analogous#426BBF, #9642BF
Triadic#BF5742, #42BF57
Split complementary#BF9642, #6BBF42
Tetradic#BF426B, #AABF42, #42BF96

Tints, shades & saturation

+40%+30%+20%+10%base-10%-20%-30%-40%
Lighter +40%#DEDAF3
Lighter +30%#BDB4E6
Lighter +20%#9B8ED9
Lighter +10%#7968CC
Darker −10%#45349A
Darker −20%#342774
Darker −30%#231A4E
Darker −40%#120D28
More saturated +25%#4222DF
Less saturated −25%#6C629F

Channel breakdown

R87
G66
B191
Red87 (34.1%)
Green66 (25.9%)
Blue191 (74.9%)
Hue250.08°
Saturation (HSL)49.41%
Lightness50.39%
Dominant channelBlue
Hex per channelR 57 · G 42 · B BF

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Every value on this page was computed from “5742bf” by Nerdulator’s colour engine. Nothing here was retrieved from a database of answers or written by a model.