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Recognised as Colour

#597BBF

  • #597BBF
  • Blue
  • Dark
  • Nearest: Steel blue

#597BBF is a blue with RGB values 89, 123, 191 and HSL 220°, 44%, 55%. It is a dark colour, so black text on it reaches 5:1 contrast (AA for normal text). The nearest named colour is Steel blue.

Colour values

#597BBF#597BBF
HEX#597BBF
RGBrgb(89, 123, 191)
RGB (0–1)0.349, 0.4824, 0.749
RGB percentages34.9%, 48.2%, 74.9%
HSLhsl(220, 44.3%, 54.9%)
HSV / HSBhsv(220, 53.4%, 74.9%)
CMYK53.4%, 35.6%, 0%, 25.1%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer5,864,383
CSS custom property--colour: #597BBF;

Brightness & contrast

Relative luminance0.20051WCAG 2.x, 0 is black and 1 is white
Perceived brightness124.1 of 255ITU-R BT.601 weighting
Light or darkDark
Best text colour on this backgroundBlackcontrast 5.01:1
Contrast with white4.19:1WCAG normal text: Fail
Contrast with black5.01:1WCAG normal text: AA
Greyscale equivalent#797979
Inverted#A68440

Colour vision & accessibility

Normal visionProtanopiaDeuteranopiaTritanopia
Protanopia#6081C2no red cones; affects about 1% of men; ΔE 3 from the original
Deuteranopia#5477BEno green cones; the most common form, about 1% of men; ΔE 2.5 from the original
Tritanopia#238A94no blue cones; rare, and affects men and women equally; ΔE 41.4 from the original
Distinguishable without hueYesnever rely on hue alone to carry meaning
Contrast with white, large text4.19:1WCAG large text: AA
Contrast with black, large text5.01:1WCAG large text: AAA

Named colours

Steel blue · ΔE 13.8Cornflower blue · ΔE 14.2Dodgerblue · ΔE 25.3Dark slateblue · ΔE 28.1Light slate grey · ΔE 30.2Slate grey · ΔE 30.4
Nearest named CSS colourSteel blue (#4682B4)ΔE 13.8, a distinctly different colour
Hue familyblue
CSS keyword usableNo exact keyword

Colour harmonies

base+30°+90°+120°+180°+210°+240°+270°+330°
Complementary#BF9D59
Analogous#59AEBF, #6A59BF
Triadic#BF597B, #7BBF59
Split complementary#BF6A59, #AEBF59
Tetradic#BF59AE, #BF9D59, #59BF6A

Tints, shades & saturation

+40%+30%+20%+10%base-10%-20%-30%-40%
Lighter +40%#ECF0F8
Lighter +30%#C7D3EA
Lighter +20%#A3B6DB
Lighter +10%#7E98CD
Darker −10%#4062A5
Darker −20%#324C80
Darker −30%#23365C
Darker −40%#152037
More saturated +25%#3C71DC
Less saturated −25%#7685A2

Channel breakdown

R89
G123
B191
Red89 (34.9%)
Green123 (48.2%)
Blue191 (74.9%)
Hue220°
Saturation (HSL)44.35%
Lightness54.9%
Dominant channelBlue
Hex per channelR 59 · G 7B · B BF

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