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Recognised as Colour

#597BA1

  • #597BA1
  • Blue
  • Dark
  • Nearest: Steel blue

#597BA1 is a blue with RGB values 89, 123, 161 and HSL 212°, 29%, 49%. 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

#597BA1#597BA1
HEX#597BA1
RGBrgb(89, 123, 161)
RGB (0–1)0.349, 0.4824, 0.6314
RGB percentages34.9%, 48.2%, 63.1%
HSLhsl(211.7, 28.8%, 49%)
HSV / HSBhsv(211.7, 44.7%, 63.1%)
CMYK44.7%, 23.6%, 0%, 36.9%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer5,864,353
CSS custom property--colour: #597BA1;

Brightness & contrast

Relative luminance0.18863WCAG 2.x, 0 is black and 1 is white
Perceived brightness119.2 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#777777
Inverted#A6845E

Colour vision & accessibility

Normal visionProtanopiaDeuteranopiaTritanopia
Protanopia#6C7CA3no red cones; affects about 1% of men; ΔE 5.8 from the original
Deuteranopia#6375A0no green cones; the most common form, about 1% of men; ΔE 6.3 from the original
Tritanopia#3D8488no blue cones; rare, and affects men and women equally; ΔE 24.6 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 8.7Slate grey · ΔE 13.8Light slate grey · ΔE 14.1Gray · ΔE 24.4Dim grey · ΔE 24.9Cadetblue · ΔE 26.8
Nearest named CSS colourSteel blue (#4682B4)ΔE 8.65, clearly different but related
Hue familyblue
CSS keyword usableNo exact keyword

Colour harmonies

base+30°+90°+120°+180°+210°+240°+270°+330°
Complementary#A17F59
Analogous#599FA1, #5B59A1
Triadic#A1597B, #7BA159
Split complementary#A15B59, #9FA159
Tetradic#A1599F, #A17F59, #59A15B

Tints, shades & saturation

+40%+30%+20%+10%base-10%-20%-30%-40%
Lighter +40%#DBE3EB
Lighter +30%#BAC9D9
Lighter +20%#99AFC7
Lighter +10%#7895B5
Darker −10%#476280
Darker −20%#35495F
Darker −30%#23303E
Darker −40%#10171E
More saturated +25%#3A79C0
Less saturated −25%#787D82

Channel breakdown

R89
G123
B161
Red89 (34.9%)
Green123 (48.2%)
Blue161 (63.1%)
Hue211.67°
Saturation (HSL)28.8%
Lightness49.02%
Dominant channelBlue
Hex per channelR 59 · G 7B · B A1

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Every value on this page was computed from “597ba1” by Nerdulator’s colour engine. Nothing here was retrieved from a database of answers or written by a model.