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Recognised as Colour

#ACB1BD

  • #ACB1BD
  • Blue
  • Dark
  • Nearest: Dark grey

#ACB1BD is a blue with RGB values 172, 177, 189 and HSL 222°, 11%, 71%. It is a dark colour, so black text on it reaches 9.8:1 contrast (AAA for normal text). The nearest named colour is Dark grey.

Colour values

#ACB1BD#ACB1BD
HEX#ACB1BD
RGBrgb(172, 177, 189)
RGB (0–1)0.6745, 0.6941, 0.7412
RGB percentages67.5%, 69.4%, 74.1%
HSLhsl(222.4, 11.4%, 70.8%)
HSV / HSBhsv(222.4, 9%, 74.1%)
CMYK9%, 6.3%, 0%, 25.9%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer11,317,693
CSS custom property--colour: #ACB1BD;

Brightness & contrast

Relative luminance0.43889WCAG 2.x, 0 is black and 1 is white
Perceived brightness176.9 of 255ITU-R BT.601 weighting
Light or darkDark
Best text colour on this backgroundBlackcontrast 9.78:1
Contrast with white2.15:1WCAG normal text: Fail
Contrast with black9.78:1WCAG normal text: AAA
Greyscale equivalent#B1B1B1
Inverted#534E42

Colour vision & accessibility

Normal visionProtanopiaDeuteranopiaTritanopia
Protanopia#AEB2BEno red cones; affects about 1% of men; ΔE 0.6 from the original
Deuteranopia#ACB0BDno green cones; the most common form, about 1% of men; ΔE 0.7 from the original
Tritanopia#A8B3B5no blue cones; rare, and affects men and women equally; ΔE 6 from the original
Distinguishable without hueYesnever rely on hue alone to carry meaning
Contrast with white, large text2.15:1WCAG large text: Fail
Contrast with black, large text9.78:1WCAG large text: AAA

Named colours

Dark grey · ΔE 7.3Silver · ΔE 8.7Light steelblue · ΔE 10.8Light grey · ΔE 14.1Thistle · ΔE 15.1Gainsboro · ΔE 17
Nearest named CSS colourDark grey (#A9A9A9)ΔE 7.34, clearly different but related
Hue familyblue
CSS keyword usableNo exact keyword

Colour harmonies

base+30°+90°+120°+180°+210°+240°+270°+330°
Complementary#BDB8AC
Analogous#ACB9BD, #B0ACBD
Triadic#BDACB1, #B1BDAC
Split complementary#BDB0AC, #B9BDAC
Tetradic#BDACB9, #BDB8AC, #ACBDB0

Tints, shades & saturation

+40%+30%+20%+10%base-10%-20%-30%-40%
Lighter +40%#FFFFFF
Lighter +30%#FFFFFF
Lighter +20%#E5E6EA
Lighter +10%#C8CCD4
Darker −10%#9096A6
Darker −20%#737C90
Darker −30%#5C6374
Darker −40%#464B57
More saturated +25%#99A9D0
Less saturated −25%#B4B4B4

Channel breakdown

R172
G177
B189
Red172 (67.5%)
Green177 (69.4%)
Blue189 (74.1%)
Hue222.35°
Saturation (HSL)11.41%
Lightness70.78%
Dominant channelBlue
Hex per channelR AC · G B1 · B BD

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Every value on this page was computed from “acb1bd” by Nerdulator’s colour engine. Nothing here was retrieved from a database of answers or written by a model.