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Colour

#597AA8

  • #597AA8
  • Blue
  • Dark
  • Nearest: Steel blue

#597AA8 is a blue with RGB values 89, 122, 168 and HSL 215°, 31%, 50%. It is a dark colour, so black text on it reaches 4.8:1 contrast (AA for normal text). The nearest named colour is Steel blue.

Colour values

#597AA8#597AA8
HEX#597AA8
RGBrgb(89, 122, 168)
RGB (0–1)0.349, 0.4784, 0.6588
RGB percentages34.9%, 47.8%, 65.9%
HSLhsl(214.9, 31.2%, 50.4%)
HSV / HSBhsv(214.9, 47%, 65.9%)
CMYK47%, 27.4%, 0%, 34.1%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer5,864,104
CSS custom property--colour: #597AA8;

Brightness & contrast

Relative luminance0.1887WCAG 2.x, 0 is black and 1 is white
Perceived brightness119.7 of 255ITU-R BT.601 weighting
Light or darkDark
Best text colour on this backgroundBlackcontrast 4.77:1
Contrast with white4.4:1WCAG normal text: Fail
Contrast with black4.77:1WCAG normal text: AA
Greyscale equivalent#767676
Inverted#A68557

Colour vision & accessibility

Normal visionProtanopiaDeuteranopiaTritanopia
Protanopia#697DAAno red cones; affects about 1% of men; ΔE 4.2 from the original
Deuteranopia#5F75A7no green cones; the most common form, about 1% of men; ΔE 4.6 from the original
Tritanopia#39848Ano blue cones; rare, and affects men and women equally; ΔE 28.6 from the original
Distinguishable without hueYesnever rely on hue alone to carry meaning
Contrast with white, large text4.4:1WCAG large text: AA
Contrast with black, large text4.77:1WCAG large text: AAA

Named colours

Steel blue · ΔE 6.8Slate grey · ΔE 18.1Light slate grey · ΔE 18.2Cornflower blue · ΔE 25.3Gray · ΔE 28.4Dim grey · ΔE 28.9
Nearest named CSS colourSteel blue (#4682B4)ΔE 6.83, clearly different but related
Hue familyblue
CSS keyword usableNo exact keyword

Colour harmonies

base+30°+90°+120°+180°+210°+240°+270°+330°
Complementary#A88759
Analogous#59A2A8, #6059A8
Triadic#A8597A, #7AA859
Split complementary#A86059, #A2A859
Tetradic#A859A1, #A88759, #59A860

Tints, shades & saturation

+40%+30%+20%+10%base-10%-20%-30%-40%
Lighter +40%#DFE5EE
Lighter +30%#BDCADD
Lighter +20%#9CB0CB
Lighter +10%#7A95BA
Darker −10%#476287
Darker −20%#354A66
Darker −30%#243144
Darker −40%#121923
More saturated +25%#3975C8
Less saturated −25%#797F88

Channel breakdown

R89
G122
B168
Red89 (34.9%)
Green122 (47.8%)
Blue168 (65.9%)
Hue214.94°
Saturation (HSL)31.23%
Lightness50.39%
Dominant channelBlue
Hex per channelR 59 · G 7A · B A8

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Every value on this page was computed from “597aa8” by Nerdulator’s colour engine. Nothing here was retrieved from a database of answers or written by a model.