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Recognised as Colour

#548DAA

  • #548DAA
  • Blue
  • Dark
  • Nearest: Light slate grey

#548DAA is a blue with RGB values 84, 141, 170 and HSL 200°, 34%, 50%. It is a dark colour, so black text on it reaches 5.8:1 contrast (AA for normal text). The nearest named colour is Light slate grey.

Colour values

#548DAA#548DAA
HEX#548DAA
RGBrgb(84, 141, 170)
RGB (0–1)0.3294, 0.5529, 0.6667
RGB percentages32.9%, 55.3%, 66.7%
HSLhsl(200.2, 33.9%, 49.8%)
HSV / HSBhsv(200.2, 50.6%, 66.7%)
CMYK50.6%, 17.1%, 0%, 33.3%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer5,541,290
CSS custom property--colour: #548DAA;

Brightness & contrast

Relative luminance0.23837WCAG 2.x, 0 is black and 1 is white
Perceived brightness130.7 of 255ITU-R BT.601 weighting
Light or darkDark
Best text colour on this backgroundBlackcontrast 5.77:1
Contrast with white3.64:1WCAG normal text: Fail
Contrast with black5.77:1WCAG normal text: AA
Greyscale equivalent#838383
Inverted#AB7255

Colour vision & accessibility

Normal visionProtanopiaDeuteranopiaTritanopia
Protanopia#7F8BABno red cones; affects about 1% of men; ΔE 13.9 from the original
Deuteranopia#7382AAno green cones; the most common form, about 1% of men; ΔE 14.9 from the original
Tritanopia#269596no blue cones; rare, and affects men and women equally; ΔE 22.1 from the original
Distinguishable without hueYesnever rely on hue alone to carry meaning
Contrast with white, large text3.64:1WCAG large text: AA
Contrast with black, large text5.77:1WCAG large text: AAA

Named colours

Light slate grey · ΔE 12.9Steel blue · ΔE 13.3Slate grey · ΔE 13.7Cadetblue · ΔE 17.3Teal · ΔE 23.5Gray · ΔE 23.6
Nearest named CSS colourLight slate grey (#778899)ΔE 12.91, a distinctly different colour
Hue familyblue
CSS keyword usableNo exact keyword

Colour harmonies

base+30°+90°+120°+180°+210°+240°+270°+330°
Complementary#AA7154
Analogous#54AA9C, #5462AA
Triadic#AA548D, #8DAA54
Split complementary#AA5462, #AA9C54
Tetradic#9C54AA, #AA7154, #62AA54

Tints, shades & saturation

+40%+30%+20%+10%base-10%-20%-30%-40%
Lighter +40%#DCE8EE
Lighter +30%#BAD1DD
Lighter +20%#98BACC
Lighter +10%#76A4BB
Darker −10%#437188
Darker −20%#325466
Darker −30%#213844
Darker −40%#111C21
More saturated +25%#3497CA
Less saturated −25%#74838A

Channel breakdown

R84
G141
B170
Red84 (32.9%)
Green141 (55.3%)
Blue170 (66.7%)
Hue200.23°
Saturation (HSL)33.86%
Lightness49.8%
Dominant channelBlue
Hex per channelR 54 · G 8D · B AA

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Every value on this page was computed from “548daa” by Nerdulator’s colour engine. Nothing here was retrieved from a database of answers or written by a model.