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Colour

#A1BCD4

  • #A1BCD4
  • Blue
  • Dark
  • Nearest: Light steelblue

#A1BCD4 is a blue with RGB values 161, 188, 212 and HSL 208°, 37%, 73%. It is a dark colour, so black text on it reaches 10.7:1 contrast (AAA for normal text). The nearest named colour is Light steelblue.

Colour values

#A1BCD4#A1BCD4
HEX#A1BCD4
RGBrgb(161, 188, 212)
RGB (0–1)0.6314, 0.7373, 0.8314
RGB percentages63.1%, 73.7%, 83.1%
HSLhsl(208.2, 37.2%, 73.1%)
HSV / HSBhsv(208.2, 24.1%, 83.1%)
CMYK24.1%, 11.3%, 0%, 16.9%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer10,599,636
CSS custom property--colour: #A1BCD4;

Brightness & contrast

Relative luminance0.48297WCAG 2.x, 0 is black and 1 is white
Perceived brightness183.4 of 255ITU-R BT.601 weighting
Light or darkDark
Best text colour on this backgroundBlackcontrast 10.66:1
Contrast with white1.97:1WCAG normal text: Fail
Contrast with black10.66:1WCAG normal text: AAA
Greyscale equivalent#B8B8B8
Inverted#5E432B

Colour vision & accessibility

Normal visionProtanopiaDeuteranopiaTritanopia
Protanopia#B3BCD5no red cones; affects about 1% of men; ΔE 6.2 from the original
Deuteranopia#ACB6D4no green cones; the most common form, about 1% of men; ΔE 6.8 from the original
Tritanopia#93C2C4no blue cones; rare, and affects men and women equally; ΔE 14.3 from the original
Distinguishable without hueYesnever rely on hue alone to carry meaning
Contrast with white, large text1.97:1WCAG large text: Fail
Contrast with black, large text10.66:1WCAG large text: AAA

Named colours

Light steelblue · ΔE 4.3Light blue · ΔE 11.8Sky blue · ΔE 13.3Silver · ΔE 15.8Light skyblue · ΔE 15.8Dark grey · ΔE 16.6
Nearest named CSS colourLight steelblue (#B0C4DE)ΔE 4.3, a close match
Hue familyblue
CSS keyword usableNo exact keyword

Colour harmonies

base+30°+90°+120°+180°+210°+240°+270°+330°
Complementary#D4B9A1
Analogous#A1D4D3, #A1A3D4
Triadic#D4A1BC, #BCD4A1
Split complementary#D4A1A3, #D4D3A1
Tetradic#D3A1D4, #D4B9A1, #A3D4A1

Tints, shades & saturation

+40%+30%+20%+10%base-10%-20%-30%-40%
Lighter +40%#FFFFFF
Lighter +30%#FFFFFF
Lighter +20%#E7EEF4
Lighter +10%#C4D5E4
Darker −10%#7EA3C4
Darker −20%#5B8AB4
Darker −30%#457097
Darker −40%#355674
More saturated +25%#90BDE5
Less saturated −25%#B2BBC3

Channel breakdown

R161
G188
B212
Red161 (63.1%)
Green188 (73.7%)
Blue212 (83.1%)
Hue208.24°
Saturation (HSL)37.23%
Lightness73.14%
Dominant channelBlue
Hex per channelR A1 · G BC · B D4

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Every value on this page was computed from “a1bcd4” by Nerdulator’s colour engine. Nothing here was retrieved from a database of answers or written by a model.