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Colour

#50548B

  • #50548B
  • Blue
  • Dark
  • Nearest: Dark slateblue

#50548B is a blue with RGB values 80, 84, 139 and HSL 236°, 27%, 43%. 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

#50548B#50548B
HEX#50548B
RGBrgb(80, 84, 139)
RGB (0–1)0.3137, 0.3294, 0.5451
RGB percentages31.4%, 32.9%, 54.5%
HSLhsl(235.9, 26.9%, 42.9%)
HSV / HSBhsv(235.9, 42.4%, 54.5%)
CMYK42.4%, 39.6%, 0%, 45.5%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer5,264,523
CSS custom property--colour: #50548B;

Brightness & contrast

Relative luminance0.0991WCAG 2.x, 0 is black and 1 is white
Perceived brightness90.9 of 255ITU-R BT.601 weighting
Light or darkDark
Best text colour on this backgroundWhitecontrast 7.04:1
Contrast with white7.04:1WCAG normal text: AAA
Contrast with black2.98:1WCAG normal text: Fail
Greyscale equivalent#575757
Inverted#AFAB74

Colour vision & accessibility

Normal visionProtanopiaDeuteranopiaTritanopia
Protanopia#415B8Dno red cones; affects about 1% of men; ΔE 7.8 from the original
Deuteranopia#3D578Ano green cones; the most common form, about 1% of men; ΔE 7.2 from the original
Tritanopia#3E5F69no blue cones; rare, and affects men and women equally; ΔE 31.2 from the original
Distinguishable without hueYesnever rely on hue alone to carry meaning
Contrast with white, large text7.04:1WCAG large text: AAA
Contrast with black, large text2.98:1WCAG large text: Fail

Named colours

Dark slateblue · ΔE 18.2Steel blue · ΔE 22.8Slate grey · ΔE 29.8Cornflower blue · ΔE 30.6Light slate grey · ΔE 31.2Rebecca purple · ΔE 34
Nearest named CSS colourDark slateblue (#483D8B)ΔE 18.16, a distinctly different colour
Hue familyblue
CSS keyword usableNo exact keyword

Colour harmonies

base+30°+90°+120°+180°+210°+240°+270°+330°
Complementary#8B8750
Analogous#50718B, #6A508B
Triadic#8B5054, #548B50
Split complementary#8B6A50, #718B50
Tetradic#8B5072, #8B8750, #508B6A

Tints, shades & saturation

+40%+30%+20%+10%base-10%-20%-30%-40%
Lighter +40%#C8C9DF
Lighter +30%#A7AACD
Lighter +20%#878ABA
Lighter +10%#676BA7
Darker −10%#3D406B
Darker −20%#2B2D4A
Darker −30%#18192A
Darker −40%#05060A
More saturated +25%#353CA6
Less saturated −25%#6B6C70

Channel breakdown

R80
G84
B139
Red80 (31.4%)
Green84 (32.9%)
Blue139 (54.5%)
Hue235.93°
Saturation (HSL)26.94%
Lightness42.94%
Dominant channelBlue
Hex per channelR 50 · G 54 · B 8B

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Every value on this page was computed from “50548b” by Nerdulator’s colour engine. Nothing here was retrieved from a database of answers or written by a model.