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Recognised as Colour

#20489F

  • #20489F
  • Blue
  • Dark
  • Nearest: Dark slateblue

#20489F is a blue with RGB values 32, 72, 159 and HSL 221°, 66%, 37%. It is a dark colour, so white text on it reaches 8.4:1 contrast (AAA for normal text). The nearest named colour is Dark slateblue.

Colour values

#20489F#20489F
HEX#20489F
RGBrgb(32, 72, 159)
RGB (0–1)0.1255, 0.2824, 0.6235
RGB percentages12.5%, 28.2%, 62.4%
HSLhsl(221.1, 66.5%, 37.5%)
HSV / HSBhsv(221.1, 79.9%, 62.4%)
CMYK79.9%, 54.7%, 0%, 37.6%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer2,115,743
CSS custom property--colour: #20489F;

Brightness & contrast

Relative luminance0.07445WCAG 2.x, 0 is black and 1 is white
Perceived brightness78.9 of 255ITU-R BT.601 weighting
Light or darkDark
Best text colour on this backgroundWhitecontrast 8.44:1
Contrast with white8.44:1WCAG normal text: AAA
Contrast with black2.49:1WCAG normal text: Fail
Greyscale equivalent#464646
Inverted#DFB760

Colour vision & accessibility

Normal visionProtanopiaDeuteranopiaTritanopia
Protanopia#0053A2no red cones; affects about 1% of men; ΔE 9.2 from the original
Deuteranopia#00489Dno green cones; the most common form, about 1% of men; ΔE 3.1 from the original
Tritanopia#005D6Cno blue cones; rare, and affects men and women equally; ΔE 51.4 from the original
Distinguishable without hueShifts in lightness toonever rely on hue alone to carry meaning
Contrast with white, large text8.44:1WCAG large text: AAA
Contrast with black, large text2.49:1WCAG large text: Fail

Named colours

Dark slateblue · ΔE 11.7Midnight blue · ΔE 21.3Royal blue · ΔE 21.8Slate blue · ΔE 22.2Rebecca purple · ΔE 24.2Medium purple · ΔE 28.5
Nearest named CSS colourDark slateblue (#483D8B)ΔE 11.72, a distinctly different colour
Hue familyblue
CSS keyword usableNo exact keyword

Colour harmonies

base+30°+90°+120°+180°+210°+240°+270°+330°
Complementary#9F7720
Analogous#20889F, #37209F
Triadic#9F2048, #489F20
Split complementary#9F3720, #889F20
Tetradic#9F2088, #9F7720, #209F37

Tints, shades & saturation

+40%+30%+20%+10%base-10%-20%-30%-40%
Lighter +40%#9FB7EC
Lighter +30%#7598E3
Lighter +20%#4A78DB
Lighter +10%#295BC9
Darker −10%#173575
Darker −20%#0F224A
Darker −30%#060E20
Darker −40%#000000
More saturated +25%#083FB7
Less saturated −25%#385187

Channel breakdown

R32
G72
B159
Red32 (12.5%)
Green72 (28.2%)
Blue159 (62.4%)
Hue221.1°
Saturation (HSL)66.49%
Lightness37.45%
Dominant channelBlue
Hex per channelR 20 · G 48 · B 9F

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Every value on this page was computed from “20489f” by Nerdulator’s colour engine. Nothing here was retrieved from a database of answers or written by a model.