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Recognised as Colour

#20579E

  • #20579E
  • Blue
  • Dark
  • Nearest: Dark slateblue

#20579E is a blue with RGB values 32, 87, 158 and HSL 214°, 66%, 37%. It is a dark colour, so white text on it reaches 7.2:1 contrast (AAA for normal text). The nearest named colour is Dark slateblue.

Colour values

#20579E#20579E
HEX#20579E
RGBrgb(32, 87, 158)
RGB (0–1)0.1255, 0.3412, 0.6196
RGB percentages12.5%, 34.1%, 62%
HSLhsl(213.8, 66.3%, 37.3%)
HSV / HSBhsv(213.8, 79.7%, 62%)
CMYK79.7%, 44.9%, 0%, 38%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer2,119,582
CSS custom property--colour: #20579E;

Brightness & contrast

Relative luminance0.09592WCAG 2.x, 0 is black and 1 is white
Perceived brightness87.1 of 255ITU-R BT.601 weighting
Light or darkDark
Best text colour on this backgroundWhitecontrast 7.2:1
Contrast with white7.2:1WCAG normal text: AAA
Contrast with black2.92:1WCAG normal text: Fail
Greyscale equivalent#505050
Inverted#DFA861

Colour vision & accessibility

Normal visionProtanopiaDeuteranopiaTritanopia
Protanopia#325DA1no red cones; affects about 1% of men; ΔE 3.6 from the original
Deuteranopia#18529Dno green cones; the most common form, about 1% of men; ΔE 3.6 from the original
Tritanopia#006873no blue cones; rare, and affects men and women equally; ΔE 42.4 from the original
Distinguishable without hueShifts in lightness toonever rely on hue alone to carry meaning
Contrast with white, large text7.2:1WCAG large text: AAA
Contrast with black, large text2.92:1WCAG large text: Fail

Named colours

Dark slateblue · ΔE 18.7Steel blue · ΔE 23Cornflower blue · ΔE 25.5Dodgerblue · ΔE 29.8Royal blue · ΔE 29.9Slate blue · ΔE 32
Nearest named CSS colourDark slateblue (#483D8B)ΔE 18.68, a distinctly different colour
Hue familyblue
CSS keyword usableNo exact keyword

Colour harmonies

base+30°+90°+120°+180°+210°+240°+270°+330°
Complementary#9E6720
Analogous#20969E, #28209E
Triadic#9E2057, #579E20
Split complementary#9E2820, #969E20
Tetradic#9E2096, #9E6720, #209E28

Tints, shades & saturation

+40%+30%+20%+10%base-10%-20%-30%-40%
Lighter +40%#9FC0EB
Lighter +30%#74A4E3
Lighter +20%#4A89DA
Lighter +10%#296EC8
Darker −10%#174074
Darker −20%#0F2849
Darker −30%#06111F
Darker −40%#000000
More saturated +25%#0854B6
Less saturated −25%#385A86

Channel breakdown

R32
G87
B158
Red32 (12.5%)
Green87 (34.1%)
Blue158 (62%)
Hue213.81°
Saturation (HSL)66.32%
Lightness37.25%
Dominant channelBlue
Hex per channelR 20 · G 57 · B 9E

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Every value on this page was computed from “20579e” by Nerdulator’s colour engine. Nothing here was retrieved from a database of answers or written by a model.