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Recognised as Colour

#554F83

  • #554F83
  • Blue
  • Dark
  • Nearest: Dark slateblue

#554F83 is a blue with RGB values 85, 79, 131 and HSL 247°, 25%, 41%. It is a dark colour, so white text on it reaches 7.4:1 contrast (AAA for normal text). The nearest named colour is Dark slateblue.

Colour values

#554F83#554F83
HEX#554F83
RGBrgb(85, 79, 131)
RGB (0–1)0.3333, 0.3098, 0.5137
RGB percentages33.3%, 31%, 51.4%
HSLhsl(246.9, 24.8%, 41.2%)
HSV / HSBhsv(246.9, 39.7%, 51.4%)
CMYK35.1%, 39.7%, 0%, 48.6%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer5,590,915
CSS custom property--colour: #554F83;

Brightness & contrast

Relative luminance0.09162WCAG 2.x, 0 is black and 1 is white
Perceived brightness88.2 of 255ITU-R BT.601 weighting
Light or darkDark
Best text colour on this backgroundWhitecontrast 7.41:1
Contrast with white7.41:1WCAG normal text: AAA
Contrast with black2.83:1WCAG normal text: Fail
Greyscale equivalent#545454
Inverted#AAB07C

Colour vision & accessibility

Normal visionProtanopiaDeuteranopiaTritanopia
Protanopia#3F5785no red cones; affects about 1% of men; ΔE 10.7 from the original
Deuteranopia#3E5482no green cones; the most common form, about 1% of men; ΔE 10 from the original
Tritanopia#495963no blue cones; rare, and affects men and women equally; ΔE 28.1 from the original
Distinguishable without hueYesnever rely on hue alone to carry meaning
Contrast with white, large text7.41:1WCAG large text: AAA
Contrast with black, large text2.83:1WCAG large text: Fail

Named colours

Dark slateblue · ΔE 18.1Steel blue · ΔE 25.7Slate grey · ΔE 30.1Light slate grey · ΔE 31.6Rebecca purple · ΔE 33.3Dim grey · ΔE 33.4
Nearest named CSS colourDark slateblue (#483D8B)ΔE 18.1, a distinctly different colour
Hue familyblue
CSS keyword usableNo exact keyword

Colour harmonies

base+30°+90°+120°+180°+210°+240°+270°+330°
Complementary#7D834F
Analogous#4F6383, #6F4F83
Triadic#83554F, #4F8355
Split complementary#836F4F, #63834F
Tetradic#834F63, #7D834F, #4F836F

Tints, shades & saturation

+40%+30%+20%+10%base-10%-20%-30%-40%
Lighter +40%#C6C3DB
Lighter +30%#A7A3C8
Lighter +20%#8983B5
Lighter +10%#6B64A1
Darker −10%#403C63
Darker −20%#2C2943
Darker −30%#171524
Darker −40%#020204
More saturated +25%#41359D
Less saturated −25%#696969

Channel breakdown

R85
G79
B131
Red85 (33.3%)
Green79 (31%)
Blue131 (51.4%)
Hue246.92°
Saturation (HSL)24.76%
Lightness41.18%
Dominant channelBlue
Hex per channelR 55 · G 4F · B 83

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Every value on this page was computed from “554f83” by Nerdulator’s colour engine. Nothing here was retrieved from a database of answers or written by a model.