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Recognised as Colour

#5A5091

  • #5A5091
  • Blue
  • Dark
  • Nearest: Dark slateblue

#5A5091 is a blue with RGB values 90, 80, 145 and HSL 249°, 29%, 44%. It is a dark colour, so white text on it reaches 7:1 contrast (AAA for normal text). The nearest named colour is Dark slateblue.

Colour values

#5A5091#5A5091
HEX#5A5091
RGBrgb(90, 80, 145)
RGB (0–1)0.3529, 0.3137, 0.5686
RGB percentages35.3%, 31.4%, 56.9%
HSLhsl(249.2, 28.9%, 44.1%)
HSV / HSBhsv(249.2, 44.8%, 56.9%)
CMYK37.9%, 44.8%, 0%, 43.1%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer5,918,865
CSS custom property--colour: #5A5091;

Brightness & contrast

Relative luminance0.09955WCAG 2.x, 0 is black and 1 is white
Perceived brightness92.6 of 255ITU-R BT.601 weighting
Light or darkDark
Best text colour on this backgroundWhitecontrast 7.02:1
Contrast with white7.02:1WCAG normal text: AAA
Contrast with black2.99:1WCAG normal text: Fail
Greyscale equivalent#575757
Inverted#A5AF6E

Colour vision & accessibility

Normal visionProtanopiaDeuteranopiaTritanopia
Protanopia#3A5A93no red cones; affects about 1% of men; ΔE 13.8 from the original
Deuteranopia#3A578Fno green cones; the most common form, about 1% of men; ΔE 13.3 from the original
Tritanopia#4C5D69no blue cones; rare, and affects men and women equally; ΔE 35 from the original
Distinguishable without hueYesnever rely on hue alone to carry meaning
Contrast with white, large text7.02:1WCAG large text: AAA
Contrast with black, large text2.99:1WCAG large text: Fail

Named colours

Dark slateblue · ΔE 11.6Rebecca purple · ΔE 26.2Medium purple · ΔE 28.4Steel blue · ΔE 28.7Midnight blue · ΔE 28.8Slate blue · ΔE 28.9
Nearest named CSS colourDark slateblue (#483D8B)ΔE 11.65, a distinctly different colour
Hue familyblue
CSS keyword usableNo exact keyword

Colour harmonies

base+30°+90°+120°+180°+210°+240°+270°+330°
Complementary#879150
Analogous#506691, #7B5091
Triadic#915A50, #50915A
Split complementary#917B50, #669150
Tetradic#915066, #879150, #50917B

Tints, shades & saturation

+40%+30%+20%+10%base-10%-20%-30%-40%
Lighter +40%#CECBE2
Lighter +30%#B0AAD0
Lighter +20%#9189BE
Lighter +10%#7368AC
Darker −10%#463E70
Darker −20%#312C4F
Darker −30%#1D1A2E
Darker −40%#08070E
More saturated +25%#4734AD
Less saturated −25%#6D6C75

Channel breakdown

R90
G80
B145
Red90 (35.3%)
Green80 (31.4%)
Blue145 (56.9%)
Hue249.23°
Saturation (HSL)28.89%
Lightness44.12%
Dominant channelBlue
Hex per channelR 5A · G 50 · B 91

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Every value on this page was computed from “5a5091” by Nerdulator’s colour engine. Nothing here was retrieved from a database of answers or written by a model.