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Recognised as Colour

#A1ACE3

  • #A1ACE3
  • Blue
  • Dark
  • Nearest: Light steelblue

#A1ACE3 is a blue with RGB values 161, 172, 227 and HSL 230°, 54%, 76%. It is a dark colour, so black text on it reaches 9.5:1 contrast (AAA for normal text). The nearest named colour is Light steelblue.

Colour values

#A1ACE3#A1ACE3
HEX#A1ACE3
RGBrgb(161, 172, 227)
RGB (0–1)0.6314, 0.6745, 0.8902
RGB percentages63.1%, 67.5%, 89%
HSLhsl(230, 54.1%, 76.1%)
HSV / HSBhsv(230, 29.1%, 89%)
CMYK29.1%, 24.2%, 0%, 11%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer10,595,555
CSS custom property--colour: #A1ACE3;

Brightness & contrast

Relative luminance0.42628WCAG 2.x, 0 is black and 1 is white
Perceived brightness176 of 255ITU-R BT.601 weighting
Light or darkDark
Best text colour on this backgroundBlackcontrast 9.53:1
Contrast with white2.2:1WCAG normal text: Fail
Contrast with black9.53:1WCAG normal text: AAA
Greyscale equivalent#AEAEAE
Inverted#5E531C

Colour vision & accessibility

Normal visionProtanopiaDeuteranopiaTritanopia
Protanopia#9CB1E5no red cones; affects about 1% of men; ΔE 3.9 from the original
Deuteranopia#97ACE2no green cones; the most common form, about 1% of men; ΔE 3.3 from the original
Tritanopia#90B6BFno blue cones; rare, and affects men and women equally; ΔE 27.8 from the original
Distinguishable without hueYesnever rely on hue alone to carry meaning
Contrast with white, large text2.2:1WCAG large text: Fail
Contrast with black, large text9.53:1WCAG large text: AAA

Named colours

Light steelblue · ΔE 18.3Light skyblue · ΔE 21.1Thistle · ΔE 22.1Cornflower blue · ΔE 22.5Steel blue · ΔE 22.9Plum · ΔE 25.1
Nearest named CSS colourLight steelblue (#B0C4DE)ΔE 18.26, a distinctly different colour
Hue familyblue
CSS keyword usableNo exact keyword

Colour harmonies

base+30°+90°+120°+180°+210°+240°+270°+330°
Complementary#E3D8A1
Analogous#A1CDE3, #B7A1E3
Triadic#E3A1AC, #ACE3A1
Split complementary#E3B7A1, #CDE3A1
Tetradic#E3A1CD, #E3D8A1, #A1E3B7

Tints, shades & saturation

+40%+30%+20%+10%base-10%-20%-30%-40%
Lighter +40%#FFFFFF
Lighter +30%#FFFFFF
Lighter +20%#F0F1FA
Lighter +10%#C8CFEF
Darker −10%#7A89D7
Darker −20%#5267CC
Darker −30%#364BB5
Darker −40%#2A3B8E
More saturated +25%#92A2F2
Less saturated −25%#B0B6D4

Channel breakdown

R161
G172
B227
Red161 (63.1%)
Green172 (67.5%)
Blue227 (89%)
Hue230°
Saturation (HSL)54.1%
Lightness76.08%
Dominant channelBlue
Hex per channelR A1 · G AC · B E3

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Every value on this page was computed from “a1ace3” by Nerdulator’s colour engine. Nothing here was retrieved from a database of answers or written by a model.