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Recognised as Colour

#554A8A

  • #554A8A
  • Blue
  • Dark
  • Nearest: Dark slateblue

#554A8A is a blue with RGB values 85, 74, 138 and HSL 250°, 30%, 42%. It is a dark colour, so white text on it reaches 7.7:1 contrast (AAA for normal text). The nearest named colour is Dark slateblue.

Colour values

#554A8A#554A8A
HEX#554A8A
RGBrgb(85, 74, 138)
RGB (0–1)0.3333, 0.2902, 0.5412
RGB percentages33.3%, 29%, 54.1%
HSLhsl(250.3, 30.2%, 41.6%)
HSV / HSBhsv(250.3, 46.4%, 54.1%)
CMYK38.4%, 46.4%, 0%, 45.9%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer5,589,642
CSS custom property--colour: #554A8A;

Brightness & contrast

Relative luminance0.08664WCAG 2.x, 0 is black and 1 is white
Perceived brightness86.9 of 255ITU-R BT.601 weighting
Light or darkDark
Best text colour on this backgroundWhitecontrast 7.68:1
Contrast with white7.68:1WCAG normal text: AAA
Contrast with black2.73:1WCAG normal text: Fail
Greyscale equivalent#515151
Inverted#AAB575

Colour vision & accessibility

Normal visionProtanopiaDeuteranopiaTritanopia
Protanopia#34548Cno red cones; affects about 1% of men; ΔE 14 from the original
Deuteranopia#345288no green cones; the most common form, about 1% of men; ΔE 14.2 from the original
Tritanopia#475663no blue cones; rare, and affects men and women equally; ΔE 34 from the original
Distinguishable without hueYesnever rely on hue alone to carry meaning
Contrast with white, large text7.68:1WCAG large text: AAA
Contrast with black, large text2.73:1WCAG large text: Fail

Named colours

Dark slateblue · ΔE 10.5Rebecca purple · ΔE 25.7Midnight blue · ΔE 27.1Slate blue · ΔE 29.8Medium purple · ΔE 29.9Steel blue · ΔE 30.3
Nearest named CSS colourDark slateblue (#483D8B)ΔE 10.48, a distinctly different colour
Hue familyblue
CSS keyword usableNo exact keyword

Colour harmonies

base+30°+90°+120°+180°+210°+240°+270°+330°
Complementary#7F8A4A
Analogous#4A5F8A, #754A8A
Triadic#8A554A, #4A8A55
Split complementary#8A754A, #5F8A4A
Tetradic#8A4A5F, #7F8A4A, #4A8A75

Tints, shades & saturation

+40%+30%+20%+10%base-10%-20%-30%-40%
Lighter +40%#C7C2DE
Lighter +30%#A8A1CC
Lighter +20%#8A7FBB
Lighter +10%#6B5EA9
Darker −10%#413869
Darker −20%#2C2648
Darker −30%#181526
Darker −40%#030305
More saturated +25%#4430A4
Less saturated −25%#66656F

Channel breakdown

R85
G74
B138
Red85 (33.3%)
Green74 (29%)
Blue138 (54.1%)
Hue250.31°
Saturation (HSL)30.19%
Lightness41.57%
Dominant channelBlue
Hex per channelR 55 · G 4A · B 8A

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Every value on this page was computed from “554a8a” by Nerdulator’s colour engine. Nothing here was retrieved from a database of answers or written by a model.