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Recognised as Colour

#A4ABD1

  • #A4ABD1
  • Blue
  • Dark
  • Nearest: Light steelblue

#A4ABD1 is a blue with RGB values 164, 171, 209 and HSL 231°, 33%, 73%. It is a dark colour, so black text on it reaches 9.3:1 contrast (AAA for normal text). The nearest named colour is Light steelblue.

Colour values

#A4ABD1#A4ABD1
HEX#A4ABD1
RGBrgb(164, 171, 209)
RGB (0–1)0.6431, 0.6706, 0.8196
RGB percentages64.3%, 67.1%, 82%
HSLhsl(230.7, 32.8%, 73.1%)
HSV / HSBhsv(230.7, 21.5%, 82%)
CMYK21.5%, 18.2%, 0%, 18%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer10,791,889
CSS custom property--colour: #A4ABD1;

Brightness & contrast

Relative luminance0.41622WCAG 2.x, 0 is black and 1 is white
Perceived brightness173.7 of 255ITU-R BT.601 weighting
Light or darkDark
Best text colour on this backgroundBlackcontrast 9.32:1
Contrast with white2.25:1WCAG normal text: Fail
Contrast with black9.32:1WCAG normal text: AAA
Greyscale equivalent#ACACAC
Inverted#5B542E

Colour vision & accessibility

Normal visionProtanopiaDeuteranopiaTritanopia
Protanopia#A1AED3no red cones; affects about 1% of men; ΔE 2.2 from the original
Deuteranopia#9EABD0no green cones; the most common form, about 1% of men; ΔE 2.2 from the original
Tritanopia#9AB2B8no blue cones; rare, and affects men and women equally; ΔE 19 from the original
Distinguishable without hueYesnever rely on hue alone to carry meaning
Contrast with white, large text2.25:1WCAG large text: Fail
Contrast with black, large text9.32:1WCAG large text: AAA

Named colours

Light steelblue · ΔE 11.5Thistle · ΔE 16.3Light slate grey · ΔE 18.9Light skyblue · ΔE 20.6Dark grey · ΔE 20.9Slate grey · ΔE 21.6
Nearest named CSS colourLight steelblue (#B0C4DE)ΔE 11.53, a distinctly different colour
Hue familyblue
CSS keyword usableNo exact keyword

Colour harmonies

base+30°+90°+120°+180°+210°+240°+270°+330°
Complementary#D1CAA4
Analogous#A4C1D1, #B4A4D1
Triadic#D1A4AB, #ABD1A4
Split complementary#D1B4A4, #C2D1A4
Tetradic#D1A4C1, #D1CAA4, #A4D1B4

Tints, shades & saturation

+40%+30%+20%+10%base-10%-20%-30%-40%
Lighter +40%#FFFFFF
Lighter +30%#FFFFFF
Lighter +20%#E8EAF3
Lighter +10%#C6CAE2
Darker −10%#828CC0
Darker −20%#606CAF
Darker −30%#4A5592
Darker −40%#394170
More saturated +25%#939FE2
Less saturated −25%#B5B7C0

Channel breakdown

R164
G171
B209
Red164 (64.3%)
Green171 (67.1%)
Blue209 (82%)
Hue230.67°
Saturation (HSL)32.85%
Lightness73.14%
Dominant channelBlue
Hex per channelR A4 · G AB · B D1

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Every value on this page was computed from “a4abd1” by Nerdulator’s colour engine. Nothing here was retrieved from a database of answers or written by a model.