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Recognised as Colour

#ADC4DD

  • #ADC4DD
  • Blue
  • Light
  • Nearest: Light steelblue

#ADC4DD is a blue with RGB values 173, 196, 221 and HSL 211°, 41%, 77%. It is a light colour, so black text on it reaches 11.7:1 contrast (AAA for normal text). The nearest named colour is Light steelblue.

Colour values

#ADC4DD#ADC4DD
HEX#ADC4DD
RGBrgb(173, 196, 221)
RGB (0–1)0.6784, 0.7686, 0.8667
RGB percentages67.8%, 76.9%, 86.7%
HSLhsl(211.2, 41.4%, 77.3%)
HSV / HSBhsv(211.2, 21.7%, 86.7%)
CMYK21.7%, 11.3%, 0%, 13.3%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer11,388,125
CSS custom property--colour: #ADC4DD;

Brightness & contrast

Relative luminance0.53585WCAG 2.x, 0 is black and 1 is white
Perceived brightness192.5 of 255ITU-R BT.601 weighting
Light or darkLight
Best text colour on this backgroundBlackcontrast 11.72:1
Contrast with white1.79:1WCAG normal text: Fail
Contrast with black11.72:1WCAG normal text: AAA
Greyscale equivalent#C1C1C1
Inverted#523B22

Colour vision & accessibility

Normal visionProtanopiaDeuteranopiaTritanopia
Protanopia#BBC4DEno red cones; affects about 1% of men; ΔE 4.8 from the original
Deuteranopia#B5BFDCno green cones; the most common form, about 1% of men; ΔE 5 from the original
Tritanopia#A0CACCno blue cones; rare, and affects men and women equally; ΔE 14.5 from the original
Distinguishable without hueYesnever rely on hue alone to carry meaning
Contrast with white, large text1.79:1WCAG large text: Fail
Contrast with black, large text11.72:1WCAG large text: AAA

Named colours

Light steelblue · ΔE 1.2Light blue · ΔE 10.8Sky blue · ΔE 13.9Silver · ΔE 15.2Powder blue · ΔE 15.8Lavender · ΔE 15.9
Nearest named CSS colourLight steelblue (#B0C4DE)ΔE 1.18, below the just-noticeable difference
Hue familyblue
CSS keyword usableNo exact keyword

Colour harmonies

base+30°+90°+120°+180°+210°+240°+270°+330°
Complementary#DDC6AD
Analogous#ADDCDD, #AEADDD
Triadic#DDADC4, #C4DDAD
Split complementary#DDAEAD, #DCDDAD
Tetradic#DDADDC, #DDC6AD, #ADDDAE

Tints, shades & saturation

+40%+30%+20%+10%base-10%-20%-30%-40%
Lighter +40%#FFFFFF
Lighter +30%#FFFFFF
Lighter +20%#F5F8FB
Lighter +10%#D1DEEC
Darker −10%#89AACE
Darker −20%#6590BF
Darker −30%#4776AA
Darker −40%#385D86
More saturated +25%#9FC3EC
Less saturated −25%#BCC5CF

Channel breakdown

R173
G196
B221
Red173 (67.8%)
Green196 (76.9%)
Blue221 (86.7%)
Hue211.25°
Saturation (HSL)41.38%
Lightness77.25%
Dominant channelBlue
Hex per channelR AD · G C4 · B DD

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Every value on this page was computed from “adc4dd” by Nerdulator’s colour engine. Nothing here was retrieved from a database of answers or written by a model.