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Colour

#A3B2DD

  • #A3B2DD
  • Blue
  • Dark
  • Nearest: Light steelblue

#A3B2DD is a blue with RGB values 163, 178, 221 and HSL 224°, 46%, 75%. It is a dark colour, so black text on it reaches 10:1 contrast (AAA for normal text). The nearest named colour is Light steelblue.

Colour values

#A3B2DD#A3B2DD
HEX#A3B2DD
RGBrgb(163, 178, 221)
RGB (0–1)0.6392, 0.698, 0.8667
RGB percentages63.9%, 69.8%, 86.7%
HSLhsl(224.5, 46%, 75.3%)
HSV / HSBhsv(224.5, 26.2%, 86.7%)
CMYK26.2%, 19.5%, 0%, 13.3%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer10,728,157
CSS custom property--colour: #A3B2DD;

Brightness & contrast

Relative luminance0.44848WCAG 2.x, 0 is black and 1 is white
Perceived brightness179.2 of 255ITU-R BT.601 weighting
Light or darkDark
Best text colour on this backgroundBlackcontrast 9.97:1
Contrast with white2.11:1WCAG normal text: Fail
Contrast with black9.97:1WCAG normal text: AAA
Greyscale equivalent#B2B2B2
Inverted#5C4D22

Colour vision & accessibility

Normal visionProtanopiaDeuteranopiaTritanopia
Protanopia#A5B5DFno red cones; affects about 1% of men; ΔE 1.2 from the original
Deuteranopia#A0B0DCno green cones; the most common form, about 1% of men; ΔE 1 from the original
Tritanopia#94BAC0no blue cones; rare, and affects men and women equally; ΔE 22.4 from the original
Distinguishable without hueYesnever rely on hue alone to carry meaning
Contrast with white, large text2.11:1WCAG large text: Fail
Contrast with black, large text9.97:1WCAG large text: AAA

Named colours

Light steelblue · ΔE 11.4Light skyblue · ΔE 17.4Thistle · ΔE 18.2Sky blue · ΔE 20.3Light slate grey · ΔE 21.8Light blue · ΔE 22.2
Nearest named CSS colourLight steelblue (#B0C4DE)ΔE 11.35, a distinctly different colour
Hue familyblue
CSS keyword usableNo exact keyword

Colour harmonies

base+30°+90°+120°+180°+210°+240°+270°+330°
Complementary#DDCEA3
Analogous#A3CFDD, #B1A3DD
Triadic#DDA3B2, #B2DDA3
Split complementary#DDB1A3, #CFDDA3
Tetradic#DDA3CF, #DDCEA3, #A3DDB1

Tints, shades & saturation

+40%+30%+20%+10%base-10%-20%-30%-40%
Lighter +40%#FFFFFF
Lighter +30%#FFFFFF
Lighter +20%#EDF0F9
Lighter +10%#C8D1EB
Darker −10%#7E93CF
Darker −20%#5974C1
Darker −30%#3E5AA9
Darker −40%#314683
More saturated +25%#93AAED
Less saturated −25%#B3BACD

Channel breakdown

R163
G178
B221
Red163 (63.9%)
Green178 (69.8%)
Blue221 (86.7%)
Hue224.48°
Saturation (HSL)46.03%
Lightness75.29%
Dominant channelBlue
Hex per channelR A3 · G B2 · B DD

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Every value on this page was computed from “a3b2dd” by Nerdulator’s colour engine. Nothing here was retrieved from a database of answers or written by a model.