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Recognised as Colour

#ACA4CD

  • #ACA4CD
  • Blue
  • Dark
  • Nearest: Thistle

#ACA4CD is a blue with RGB values 172, 164, 205 and HSL 252°, 29%, 72%. It is a dark colour, so black text on it reaches 8.9:1 contrast (AAA for normal text). The nearest named colour is Thistle.

Colour values

#ACA4CD#ACA4CD
HEX#ACA4CD
RGBrgb(172, 164, 205)
RGB (0–1)0.6745, 0.6431, 0.8039
RGB percentages67.5%, 64.3%, 80.4%
HSLhsl(251.7, 29.1%, 72.4%)
HSV / HSBhsv(251.7, 20%, 80.4%)
CMYK16.1%, 20%, 0%, 19.6%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer11,314,381
CSS custom property--colour: #ACA4CD;

Brightness & contrast

Relative luminance0.39729WCAG 2.x, 0 is black and 1 is white
Perceived brightness171.5 of 255ITU-R BT.601 weighting
Light or darkDark
Best text colour on this backgroundBlackcontrast 8.95:1
Contrast with white2.35:1WCAG normal text: Fail
Contrast with black8.95:1WCAG normal text: AAA
Greyscale equivalent#A9A9A9
Inverted#535B32

Colour vision & accessibility

Normal visionProtanopiaDeuteranopiaTritanopia
Protanopia#9BAACFno red cones; affects about 1% of men; ΔE 8.3 from the original
Deuteranopia#9CA8CCno green cones; the most common form, about 1% of men; ΔE 7.5 from the original
Tritanopia#A6AAB2no 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 text2.35:1WCAG large text: Fail
Contrast with black, large text8.95:1WCAG large text: AAA

Named colours

Thistle · ΔE 15.3Light steelblue · ΔE 16.1Light slate grey · ΔE 20.8Plum · ΔE 21.9Dark grey · ΔE 22.8Slate grey · ΔE 23.1
Nearest named CSS colourThistle (#D8BFD8)ΔE 15.28, a distinctly different colour
Hue familyblue
CSS keyword usableNo exact keyword

Colour harmonies

base+30°+90°+120°+180°+210°+240°+270°+330°
Complementary#C5CDA4
Analogous#A4B1CD, #C1A4CD
Triadic#CDACA4, #A4CDAC
Split complementary#CDC1A4, #B1CDA4
Tetradic#CDA4B1, #C5CDA4, #A4CDC1

Tints, shades & saturation

+40%+30%+20%+10%base-10%-20%-30%-40%
Lighter +40%#FFFFFF
Lighter +30%#FFFFFF
Lighter +20%#E8E6F1
Lighter +10%#CAC5DF
Darker −10%#8E83BB
Darker −20%#7062A9
Darker −30%#594D8B
Darker −40%#443B6A
More saturated +25%#A192DF
Less saturated −25%#B7B6BB

Channel breakdown

R172
G164
B205
Red172 (67.5%)
Green164 (64.3%)
Blue205 (80.4%)
Hue251.71°
Saturation (HSL)29.08%
Lightness72.35%
Dominant channelBlue
Hex per channelR AC · G A4 · B CD

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Every value on this page was computed from “aca4cd” by Nerdulator’s colour engine. Nothing here was retrieved from a database of answers or written by a model.