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Recognised as Colour

#548CA9

  • #548CA9
  • Blue
  • Dark
  • Nearest: Light slate grey

#548CA9 is a blue with RGB values 84, 140, 169 and HSL 200°, 34%, 50%. It is a dark colour, so black text on it reaches 5.7:1 contrast (AA for normal text). The nearest named colour is Light slate grey.

Colour values

#548CA9#548CA9
HEX#548CA9
RGBrgb(84, 140, 169)
RGB (0–1)0.3294, 0.549, 0.6627
RGB percentages32.9%, 54.9%, 66.3%
HSLhsl(200.5, 33.6%, 49.6%)
HSV / HSBhsv(200.5, 50.3%, 66.3%)
CMYK50.3%, 17.2%, 0%, 33.7%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer5,541,033
CSS custom property--colour: #548CA9;

Brightness & contrast

Relative luminance0.23506WCAG 2.x, 0 is black and 1 is white
Perceived brightness129.9 of 255ITU-R BT.601 weighting
Light or darkDark
Best text colour on this backgroundBlackcontrast 5.7:1
Contrast with white3.68:1WCAG normal text: Fail
Contrast with black5.7:1WCAG normal text: AA
Greyscale equivalent#828282
Inverted#AB7356

Colour vision & accessibility

Normal visionProtanopiaDeuteranopiaTritanopia
Protanopia#7E8AAAno red cones; affects about 1% of men; ΔE 13.6 from the original
Deuteranopia#7281A9no green cones; the most common form, about 1% of men; ΔE 14.7 from the original
Tritanopia#279495no 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 text3.68:1WCAG large text: AA
Contrast with black, large text5.7:1WCAG large text: AAA

Named colours

Light slate grey · ΔE 12.7Steel blue · ΔE 13.1Slate grey · ΔE 13.5Cadetblue · ΔE 17.5Gray · ΔE 23.4Teal · ΔE 23.6
Nearest named CSS colourLight slate grey (#778899)ΔE 12.71, a distinctly different colour
Hue familyblue
CSS keyword usableNo exact keyword

Colour harmonies

base+30°+90°+120°+180°+210°+240°+270°+330°
Complementary#A97154
Analogous#54A99C, #5461A9
Triadic#A9548C, #8CA954
Split complementary#A95461, #A99B54
Tetradic#9C54A9, #A97154, #62A954

Tints, shades & saturation

+40%+30%+20%+10%base-10%-20%-30%-40%
Lighter +40%#DCE7ED
Lighter +30%#BAD1DC
Lighter +20%#97BACC
Lighter +10%#75A3BB
Darker −10%#437087
Darker −20%#325465
Darker −30%#213743
Darker −40%#101B21
More saturated +25%#3496C9
Less saturated −25%#748289

Channel breakdown

R84
G140
B169
Red84 (32.9%)
Green140 (54.9%)
Blue169 (66.3%)
Hue200.47°
Saturation (HSL)33.6%
Lightness49.61%
Dominant channelBlue
Hex per channelR 54 · G 8C · B A9

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Every value on this page was computed from “548ca9” by Nerdulator’s colour engine. Nothing here was retrieved from a database of answers or written by a model.