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Recognised as Colour

#597DBF

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

#597DBF is a blue with RGB values 89, 125, 191 and HSL 219°, 44%, 55%. It is a dark colour, so black text on it reaches 5.1:1 contrast (AA for normal text). The nearest named colour is Steel blue.

Colour values

#597DBF#597DBF
HEX#597DBF
RGBrgb(89, 125, 191)
RGB (0–1)0.349, 0.4902, 0.749
RGB percentages34.9%, 49%, 74.9%
HSLhsl(218.8, 44.3%, 54.9%)
HSV / HSBhsv(218.8, 53.4%, 74.9%)
CMYK53.4%, 34.6%, 0%, 25.1%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer5,864,895
CSS custom property--colour: #597DBF;

Brightness & contrast

Relative luminance0.20553WCAG 2.x, 0 is black and 1 is white
Perceived brightness125.3 of 255ITU-R BT.601 weighting
Light or darkDark
Best text colour on this backgroundBlackcontrast 5.11:1
Contrast with white4.11:1WCAG normal text: Fail
Contrast with black5.11:1WCAG normal text: AA
Greyscale equivalent#7A7A7A
Inverted#A68240

Colour vision & accessibility

Normal visionProtanopiaDeuteranopiaTritanopia
Protanopia#6382C2no red cones; affects about 1% of men; ΔE 2.7 from the original
Deuteranopia#5779BEno green cones; the most common form, about 1% of men; ΔE 2.5 from the original
Tritanopia#238B95no blue cones; rare, and affects men and women equally; ΔE 40 from the original
Distinguishable without hueYesnever rely on hue alone to carry meaning
Contrast with white, large text4.11:1WCAG large text: AA
Contrast with black, large text5.11:1WCAG large text: AAA

Named colours

Steel blue · ΔE 12.3Cornflower blue · ΔE 14.7Dodgerblue · ΔE 26.1Light slate grey · ΔE 28.9Slate grey · ΔE 29.2Dark slateblue · ΔE 29.4
Nearest named CSS colourSteel blue (#4682B4)ΔE 12.3, a distinctly different colour
Hue familyblue
CSS keyword usableNo exact keyword

Colour harmonies

base+30°+90°+120°+180°+210°+240°+270°+330°
Complementary#BF9B59
Analogous#59B0BF, #6859BF
Triadic#BF597D, #7DBF59
Split complementary#BF6859, #B0BF59
Tetradic#BF59B0, #BF9B59, #59BF68

Tints, shades & saturation

+40%+30%+20%+10%base-10%-20%-30%-40%
Lighter +40%#ECF0F8
Lighter +30%#C7D3EA
Lighter +20%#A3B7DB
Lighter +10%#7E9ACD
Darker −10%#4064A5
Darker −20%#324D80
Darker −30%#23375C
Darker −40%#152137
More saturated +25%#3C75DC
Less saturated −25%#7685A2

Channel breakdown

R89
G125
B191
Red89 (34.9%)
Green125 (49%)
Blue191 (74.9%)
Hue218.82°
Saturation (HSL)44.35%
Lightness54.9%
Dominant channelBlue
Hex per channelR 59 · G 7D · B BF

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