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Recognised as Colour

#ACB3D8

  • #ACB3D8
  • Blue
  • Dark
  • Nearest: Light steelblue

#ACB3D8 is a blue with RGB values 172, 179, 216 and HSL 230°, 36%, 76%. It is a dark colour, so black text on it reaches 10.2:1 contrast (AAA for normal text). The nearest named colour is Light steelblue.

Colour values

#ACB3D8#ACB3D8
HEX#ACB3D8
RGBrgb(172, 179, 216)
RGB (0–1)0.6745, 0.702, 0.8471
RGB percentages67.5%, 70.2%, 84.7%
HSLhsl(230.5, 36.1%, 76.1%)
HSV / HSBhsv(230.5, 20.4%, 84.7%)
CMYK20.4%, 17.1%, 0%, 15.3%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer11,318,232
CSS custom property--colour: #ACB3D8;

Brightness & contrast

Relative luminance0.45969WCAG 2.x, 0 is black and 1 is white
Perceived brightness181.6 of 255ITU-R BT.601 weighting
Light or darkDark
Best text colour on this backgroundBlackcontrast 10.19:1
Contrast with white2.06:1WCAG normal text: Fail
Contrast with black10.19:1WCAG normal text: AAA
Greyscale equivalent#B4B4B4
Inverted#534C27

Colour vision & accessibility

Normal visionProtanopiaDeuteranopiaTritanopia
Protanopia#A9B6DAno red cones; affects about 1% of men; ΔE 2.2 from the original
Deuteranopia#A6B3D7no green cones; the most common form, about 1% of men; ΔE 2.1 from the original
Tritanopia#A2BABFno blue cones; rare, and affects men and women equally; ΔE 18.8 from the original
Distinguishable without hueYesnever rely on hue alone to carry meaning
Contrast with white, large text2.06:1WCAG large text: Fail
Contrast with black, large text10.19:1WCAG large text: AAA

Named colours

Light steelblue · ΔE 9.3Thistle · ΔE 14.5Light skyblue · ΔE 19.5Silver · ΔE 20.6Dark grey · ΔE 20.6Light blue · ΔE 20.8
Nearest named CSS colourLight steelblue (#B0C4DE)ΔE 9.26, clearly different but related
Hue familyblue
CSS keyword usableNo exact keyword

Colour harmonies

base+30°+90°+120°+180°+210°+240°+270°+330°
Complementary#D8D1AC
Analogous#ACC9D8, #BBACD8
Triadic#D8ACB3, #B3D8AC
Split complementary#D8BBAC, #C9D8AC
Tetradic#D8ACC9, #D8D1AC, #ACD8BB

Tints, shades & saturation

+40%+30%+20%+10%base-10%-20%-30%-40%
Lighter +40%#FFFFFF
Lighter +30%#FFFFFF
Lighter +20%#F1F3F9
Lighter +10%#CFD3E8
Darker −10%#8993C8
Darker −20%#6773B7
Darker −30%#4B59A0
Darker −40%#3B457D
More saturated +25%#9DA9E7
Less saturated −25%#BBBDC9

Channel breakdown

R172
G179
B216
Red172 (67.5%)
Green179 (70.2%)
Blue216 (84.7%)
Hue230.45°
Saturation (HSL)36.07%
Lightness76.08%
Dominant channelBlue
Hex per channelR AC · G B3 · B D8

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Every value on this page was computed from “acb3d8” by Nerdulator’s colour engine. Nothing here was retrieved from a database of answers or written by a model.