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Recognised as Colour

#ADA8DB

  • #ADA8DB
  • Blue
  • Dark
  • Nearest: Thistle

#ADA8DB is a blue with RGB values 173, 168, 219 and HSL 246°, 41%, 76%. It is a dark colour, so black text on it reaches 9.4:1 contrast (AAA for normal text). The nearest named colour is Thistle.

Colour values

#ADA8DB#ADA8DB
HEX#ADA8DB
RGBrgb(173, 168, 219)
RGB (0–1)0.6784, 0.6588, 0.8588
RGB percentages67.8%, 65.9%, 85.9%
HSLhsl(245.9, 41.5%, 75.9%)
HSV / HSBhsv(245.9, 23.3%, 85.9%)
CMYK21%, 23.3%, 0%, 14.1%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer11,380,955
CSS custom property--colour: #ADA8DB;

Brightness & contrast

Relative luminance0.42004WCAG 2.x, 0 is black and 1 is white
Perceived brightness176 of 255ITU-R BT.601 weighting
Light or darkDark
Best text colour on this backgroundBlackcontrast 9.4:1
Contrast with white2.23:1WCAG normal text: Fail
Contrast with black9.4:1WCAG normal text: AAA
Greyscale equivalent#ADADAD
Inverted#525724

Colour vision & accessibility

Normal visionProtanopiaDeuteranopiaTritanopia
Protanopia#9CAFDDno red cones; affects about 1% of men; ΔE 8.6 from the original
Deuteranopia#9BACDAno green cones; the most common form, about 1% of men; ΔE 7.9 from the original
Tritanopia#A3B0B9no blue cones; rare, and affects men and women equally; ΔE 24.2 from the original
Distinguishable without hueYesnever rely on hue alone to carry meaning
Contrast with white, large text2.23:1WCAG large text: Fail
Contrast with black, large text9.4:1WCAG large text: AAA

Named colours

Thistle · ΔE 18.4Light steelblue · ΔE 18.5Plum · ΔE 20.5Light skyblue · ΔE 25.1Light slate grey · ΔE 25.2Steel blue · ΔE 25.7
Nearest named CSS colourThistle (#D8BFD8)ΔE 18.36, a distinctly different colour
Hue familyblue
CSS keyword usableNo exact keyword

Colour harmonies

base+30°+90°+120°+180°+210°+240°+270°+330°
Complementary#D6DBA8
Analogous#A8BCDB, #C6A8DB
Triadic#DBADA8, #A8DBAD
Split complementary#DBC6A8, #BDDBA8
Tetradic#DBA8BD, #D6DBA8, #A8DBC7

Tints, shades & saturation

+40%+30%+20%+10%base-10%-20%-30%-40%
Lighter +40%#FFFFFF
Lighter +30%#FFFFFF
Lighter +20%#F1F0F9
Lighter +10%#CFCCEA
Darker −10%#8B84CC
Darker −20%#6960BD
Darker −30%#4E44A6
Darker −40%#3D3681
More saturated +25%#A199EA
Less saturated −25%#B9B7CC

Channel breakdown

R173
G168
B219
Red173 (67.8%)
Green168 (65.9%)
Blue219 (85.9%)
Hue245.88°
Saturation (HSL)41.46%
Lightness75.88%
Dominant channelBlue
Hex per channelR AD · G A8 · B DB

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Every value on this page was computed from “ada8db” by Nerdulator’s colour engine. Nothing here was retrieved from a database of answers or written by a model.