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Recognised as Colour

#597EFF

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

#597EFF is a blue with RGB values 89, 126, 255 and HSL 227°, 100%, 67%. It is a dark colour, so black text on it reaches 5.9:1 contrast (AA for normal text). The nearest named colour is Royal blue.

Colour values

#597EFF#597EFF
HEX#597EFF
RGBrgb(89, 126, 255)
RGB (0–1)0.349, 0.4941, 1
RGB percentages34.9%, 49.4%, 100%
HSLhsl(226.6, 100%, 67.5%)
HSV / HSBhsv(226.6, 65.1%, 100%)
CMYK65.1%, 50.6%, 0%, 0%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer5,865,215
CSS custom property--colour: #597EFF;

Brightness & contrast

Relative luminance0.24266WCAG 2.x, 0 is black and 1 is white
Perceived brightness138.2 of 255ITU-R BT.601 weighting
Light or darkDark
Best text colour on this backgroundBlackcontrast 5.85:1
Contrast with white3.59:1WCAG normal text: Fail
Contrast with black5.85:1WCAG normal text: AA
Greyscale equivalent#7F7F7F
Inverted#A68100

Colour vision & accessibility

Normal visionProtanopiaDeuteranopiaTritanopia
Protanopia#308FFFno red cones; affects about 1% of men; ΔE 16.4 from the original
Deuteranopia#0080FCno green cones; the most common form, about 1% of men; ΔE 9.8 from the original
Tritanopia#009CB3no blue cones; rare, and affects men and women equally; ΔE 70.5 from the original
Distinguishable without hueShifts in lightness toonever rely on hue alone to carry meaning
Contrast with white, large text3.59:1WCAG large text: AA
Contrast with black, large text5.85:1WCAG large text: AAA

Named colours

Royal blue · ΔE 9Medium slateblue · ΔE 14.8Slate blue · ΔE 17.6Dodgerblue · ΔE 18.1Medium purple · ΔE 20.5Cornflower blue · ΔE 26.5
Nearest named CSS colourRoyal blue (#4169E1)ΔE 9.05, clearly different but related
Hue familyblue
CSS keyword usableNo exact keyword

Colour harmonies

base+30°+90°+120°+180°+210°+240°+270°+330°
Complementary#FFDA59
Analogous#59D1FF, #8759FF
Triadic#FF597E, #7EFF59
Split complementary#FF8759, #D1FF59
Tetradic#FF59D1, #FFDA59, #59FF87

Tints, shades & saturation

+40%+30%+20%+10%base-10%-20%-30%-40%
Lighter +40%#FFFFFF
Lighter +30%#F2F5FF
Lighter +20%#BFCDFF
Lighter +10%#8CA6FF
Darker −10%#2656FF
Darker −20%#0036F2
Darker −30%#002BBF
Darker −40%#001F8C
More saturated +25%#597EFF
Less saturated −25%#6E89EA

Channel breakdown

R89
G126
B255
Red89 (34.9%)
Green126 (49.4%)
Blue255 (100%)
Hue226.63°
Saturation (HSL)100%
Lightness67.45%
Dominant channelBlue
Hex per channelR 59 · G 7E · B FF

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