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Recognised as Colour

#597BFF

  • #597BFF
  • Blue
  • Dark
  • Nearest: Royal blue

#597BFF is a blue with RGB values 89, 123, 255 and HSL 228°, 100%, 67%. It is a dark colour, so black text on it reaches 5.7:1 contrast (AA for normal text). The nearest named colour is Royal blue.

Colour values

#597BFF#597BFF
HEX#597BFF
RGBrgb(89, 123, 255)
RGB (0–1)0.349, 0.4824, 1
RGB percentages34.9%, 48.2%, 100%
HSLhsl(227.7, 100%, 67.5%)
HSV / HSBhsv(227.7, 65.1%, 100%)
CMYK65.1%, 51.8%, 0%, 0%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer5,864,447
CSS custom property--colour: #597BFF;

Brightness & contrast

Relative luminance0.2351WCAG 2.x, 0 is black and 1 is white
Perceived brightness136.6 of 255ITU-R BT.601 weighting
Light or darkDark
Best text colour on this backgroundBlackcontrast 5.7:1
Contrast with white3.68:1WCAG normal text: Fail
Contrast with black5.7:1WCAG normal text: AA
Greyscale equivalent#7D7D7D
Inverted#A68400

Colour vision & accessibility

Normal visionProtanopiaDeuteranopiaTritanopia
Protanopia#258DFFno red cones; affects about 1% of men; ΔE 17.7 from the original
Deuteranopia#007EFCno green cones; the most common form, about 1% of men; ΔE 10.3 from the original
Tritanopia#009AB1no blue cones; rare, and affects men and women equally; ΔE 72.5 from the original
Distinguishable without hueShifts in lightness toonever rely on hue alone to carry meaning
Contrast with white, large text3.68:1WCAG large text: AA
Contrast with black, large text5.7:1WCAG large text: AAA

Named colours

Royal blue · ΔE 9.2Medium slateblue · ΔE 13.2Slate blue · ΔE 17Dodgerblue · ΔE 20.3Medium purple · ΔE 20.8Cornflower blue · ΔE 28.8
Nearest named CSS colourRoyal blue (#4169E1)ΔE 9.2, clearly different but related
Hue familyblue
CSS keyword usableNo exact keyword

Colour harmonies

base+30°+90°+120°+180°+210°+240°+270°+330°
Complementary#FFDD59
Analogous#59CEFF, #8A59FF
Triadic#FF597B, #7BFF59
Split complementary#FF8A59, #CEFF59
Tetradic#FF59CE, #FFDD59, #59FF8A

Tints, shades & saturation

+40%+30%+20%+10%base-10%-20%-30%-40%
Lighter +40%#FFFFFF
Lighter +30%#F2F5FF
Lighter +20%#BFCCFF
Lighter +10%#8CA4FF
Darker −10%#2652FF
Darker −20%#0032F2
Darker −30%#0027BF
Darker −40%#001D8C
More saturated +25%#597BFF
Less saturated −25%#6E87EA

Channel breakdown

R89
G123
B255
Red89 (34.9%)
Green123 (48.2%)
Blue255 (100%)
Hue227.71°
Saturation (HSL)100%
Lightness67.45%
Dominant channelBlue
Hex per channelR 59 · G 7B · B FF

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Every value on this page was computed from “597bff” by Nerdulator’s colour engine. Nothing here was retrieved from a database of answers or written by a model.