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Colour

#554D80

  • #554D80
  • Blue
  • Dark
  • Nearest: Dark slateblue

#554D80 is a blue with RGB values 85, 77, 128 and HSL 249°, 25%, 40%. It is a dark colour, so white text on it reaches 7.6:1 contrast (AAA for normal text). The nearest named colour is Dark slateblue.

Colour values

#554D80#554D80
HEX#554D80
RGBrgb(85, 77, 128)
RGB (0–1)0.3333, 0.302, 0.502
RGB percentages33.3%, 30.2%, 50.2%
HSLhsl(249.4, 24.9%, 40.2%)
HSV / HSBhsv(249.4, 39.8%, 50.2%)
CMYK33.6%, 39.8%, 0%, 49.8%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer5,590,400
CSS custom property--colour: #554D80;

Brightness & contrast

Relative luminance0.08798WCAG 2.x, 0 is black and 1 is white
Perceived brightness86.7 of 255ITU-R BT.601 weighting
Light or darkDark
Best text colour on this backgroundWhitecontrast 7.61:1
Contrast with white7.61:1WCAG normal text: AAA
Contrast with black2.76:1WCAG normal text: Fail
Greyscale equivalent#525252
Inverted#AAB27F

Colour vision & accessibility

Normal visionProtanopiaDeuteranopiaTritanopia
Protanopia#3E5582no red cones; affects about 1% of men; ΔE 11.1 from the original
Deuteranopia#3E537Fno green cones; the most common form, about 1% of men; ΔE 10.8 from the original
Tritanopia#4B5660no blue cones; rare, and affects men and women equally; ΔE 27.1 from the original
Distinguishable without hueYesnever rely on hue alone to carry meaning
Contrast with white, large text7.61:1WCAG large text: AAA
Contrast with black, large text2.76:1WCAG large text: Fail

Named colours

Dark slateblue · ΔE 18.2Steel blue · ΔE 26.6Slate grey · ΔE 30.3Light slate grey · ΔE 31.9Dim grey · ΔE 33.1Rebecca purple · ΔE 33.3
Nearest named CSS colourDark slateblue (#483D8B)ΔE 18.24, a distinctly different colour
Hue familyblue
CSS keyword usableNo exact keyword

Colour harmonies

base+30°+90°+120°+180°+210°+240°+270°+330°
Complementary#78804D
Analogous#4D5E80, #6F4D80
Triadic#80554D, #4D8055
Split complementary#806F4D, #5E804D
Tetradic#804D5E, #78804D, #4D806F

Tints, shades & saturation

+40%+30%+20%+10%base-10%-20%-30%-40%
Lighter +40%#C4C0D9
Lighter +30%#A6A0C6
Lighter +20%#8880B3
Lighter +10%#6A60A0
Darker −10%#403A60
Darker −20%#2B2740
Darker −30%#161420
Darker −40%#000001
More saturated +25%#43339A
Less saturated −25%#676767

Channel breakdown

R85
G77
B128
Red85 (33.3%)
Green77 (30.2%)
Blue128 (50.2%)
Hue249.41°
Saturation (HSL)24.88%
Lightness40.2%
Dominant channelBlue
Hex per channelR 55 · G 4D · B 80

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Every value on this page was computed from “554d80” by Nerdulator’s colour engine. Nothing here was retrieved from a database of answers or written by a model.