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Colour

#A3ADC8

  • #A3ADC8
  • Blue
  • Dark
  • Nearest: Light steelblue

#A3ADC8 is a blue with RGB values 163, 173, 200 and HSL 224°, 25%, 71%. It is a dark colour, so black text on it reaches 9.4:1 contrast (AAA for normal text). The nearest named colour is Light steelblue.

Colour values

#A3ADC8#A3ADC8
HEX#A3ADC8
RGBrgb(163, 173, 200)
RGB (0–1)0.6392, 0.6784, 0.7843
RGB percentages63.9%, 67.8%, 78.4%
HSLhsl(223.8, 25.2%, 71.2%)
HSV / HSBhsv(223.8, 18.5%, 78.4%)
CMYK18.5%, 13.5%, 0%, 21.6%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer10,726,856
CSS custom property--colour: #A3ADC8;

Brightness & contrast

Relative luminance0.41844WCAG 2.x, 0 is black and 1 is white
Perceived brightness173.4 of 255ITU-R BT.601 weighting
Light or darkDark
Best text colour on this backgroundBlackcontrast 9.37:1
Contrast with white2.24:1WCAG normal text: Fail
Contrast with black9.37:1WCAG normal text: AAA
Greyscale equivalent#ADADAD
Inverted#5C5237

Colour vision & accessibility

Normal visionProtanopiaDeuteranopiaTritanopia
Protanopia#A5AFC9no red cones; affects about 1% of men; ΔE 0.9 from the original
Deuteranopia#A2ACC7no green cones; the most common form, about 1% of men; ΔE 0.4 from the original
Tritanopia#9AB2B6no blue cones; rare, and affects men and women equally; ΔE 13.9 from the original
Distinguishable without hueYesnever rely on hue alone to carry meaning
Contrast with white, large text2.24:1WCAG large text: Fail
Contrast with black, large text9.37:1WCAG large text: AAA

Named colours

Light steelblue · ΔE 8.4Dark grey · ΔE 15.1Thistle · ΔE 15.5Light slate grey · ΔE 16Silver · ΔE 16.6Light blue · ΔE 18.8
Nearest named CSS colourLight steelblue (#B0C4DE)ΔE 8.44, clearly different but related
Hue familyblue
CSS keyword usableNo exact keyword

Colour harmonies

base+30°+90°+120°+180°+210°+240°+270°+330°
Complementary#C8BEA3
Analogous#A3C0C8, #ABA3C8
Triadic#C8A3AD, #ADC8A3
Split complementary#C8ABA3, #C0C8A3
Tetradic#C8A3C0, #C8BEA3, #A3C8AB

Tints, shades & saturation

+40%+30%+20%+10%base-10%-20%-30%-40%
Lighter +40%#FFFFFF
Lighter +30%#FFFFFF
Lighter +20%#E3E6EE
Lighter +10%#C3C9DB
Darker −10%#8391B5
Darker −20%#6374A2
Darker −30%#4F5D83
Darker −40%#3B4664
More saturated +25%#91A5DA
Less saturated −25%#B5B5B6

Channel breakdown

R163
G173
B200
Red163 (63.9%)
Green173 (67.8%)
Blue200 (78.4%)
Hue223.78°
Saturation (HSL)25.17%
Lightness71.18%
Dominant channelBlue
Hex per channelR A3 · G AD · B C8

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Every value on this page was computed from “a3adc8” by Nerdulator’s colour engine. Nothing here was retrieved from a database of answers or written by a model.