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Colour

#A4ADCF

  • #A4ADCF
  • Blue
  • Dark
  • Nearest: Light steelblue

#A4ADCF is a blue with RGB values 164, 173, 207 and HSL 227°, 31%, 73%. 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

#A4ADCF#A4ADCF
HEX#A4ADCF
RGBrgb(164, 173, 207)
RGB (0–1)0.6431, 0.6784, 0.8118
RGB percentages64.3%, 67.8%, 81.2%
HSLhsl(227.4, 30.9%, 72.7%)
HSV / HSBhsv(227.4, 20.8%, 81.2%)
CMYK20.8%, 16.4%, 0%, 18.8%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer10,792,399
CSS custom property--colour: #A4ADCF;

Brightness & contrast

Relative luminance0.42285WCAG 2.x, 0 is black and 1 is white
Perceived brightness174.6 of 255ITU-R BT.601 weighting
Light or darkDark
Best text colour on this backgroundBlackcontrast 9.46:1
Contrast with white2.22:1WCAG normal text: Fail
Contrast with black9.46:1WCAG normal text: AAA
Greyscale equivalent#AEAEAE
Inverted#5B5230

Colour vision & accessibility

Normal visionProtanopiaDeuteranopiaTritanopia
Protanopia#A3B0D1no red cones; affects about 1% of men; ΔE 1.7 from the original
Deuteranopia#A0ACCEno green cones; the most common form, about 1% of men; ΔE 1.2 from the original
Tritanopia#9AB3B8no blue cones; rare, and affects men and women equally; ΔE 17.3 from the original
Distinguishable without hueYesnever rely on hue alone to carry meaning
Contrast with white, large text2.22:1WCAG large text: Fail
Contrast with black, large text9.46:1WCAG large text: AAA

Named colours

Light steelblue · ΔE 9.6Thistle · ΔE 15.7Light slate grey · ΔE 17.9Dark grey · ΔE 18.8Silver · ΔE 19.9Light skyblue · ΔE 20
Nearest named CSS colourLight steelblue (#B0C4DE)ΔE 9.63, clearly different but related
Hue familyblue
CSS keyword usableNo exact keyword

Colour harmonies

base+30°+90°+120°+180°+210°+240°+270°+330°
Complementary#CFC6A4
Analogous#A4C3CF, #B1A4CF
Triadic#CFA4AD, #ADCFA4
Split complementary#CFB1A4, #C3CFA4
Tetradic#CFA4C3, #CFC6A4, #A4CFB1

Tints, shades & saturation

+40%+30%+20%+10%base-10%-20%-30%-40%
Lighter +40%#FFFFFF
Lighter +30%#FFFFFF
Lighter +20%#E7E9F2
Lighter +10%#C5CBE1
Darker −10%#838FBD
Darker −20%#6171AC
Darker −30%#4B598F
Darker −40%#3A446D
More saturated +25%#93A3E0
Less saturated −25%#B5B7BE

Channel breakdown

R164
G173
B207
Red164 (64.3%)
Green173 (67.8%)
Blue207 (81.2%)
Hue227.44°
Saturation (HSL)30.94%
Lightness72.75%
Dominant channelBlue
Hex per channelR A4 · G AD · B CF

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Every value on this page was computed from “a4adcf” by Nerdulator’s colour engine. Nothing here was retrieved from a database of answers or written by a model.