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Recognised as Colour

#ACBCDB

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

#ACBCDB is a blue with RGB values 172, 188, 219 and HSL 220°, 39%, 77%. It is a dark colour, so black text on it reaches 11:1 contrast (AAA for normal text). The nearest named colour is Light steelblue.

Colour values

#ACBCDB#ACBCDB
HEX#ACBCDB
RGBrgb(172, 188, 219)
RGB (0–1)0.6745, 0.7373, 0.8588
RGB percentages67.5%, 73.7%, 85.9%
HSLhsl(219.6, 39.5%, 76.7%)
HSV / HSBhsv(219.6, 21.5%, 85.9%)
CMYK21.5%, 14.2%, 0%, 14.1%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer11,320,539
CSS custom property--colour: #ACBCDB;

Brightness & contrast

Relative luminance0.49852WCAG 2.x, 0 is black and 1 is white
Perceived brightness187.2 of 255ITU-R BT.601 weighting
Light or darkDark
Best text colour on this backgroundBlackcontrast 10.97:1
Contrast with white1.91:1WCAG normal text: Fail
Contrast with black10.97:1WCAG normal text: AAA
Greyscale equivalent#BBBBBB
Inverted#534324

Colour vision & accessibility

Normal visionProtanopiaDeuteranopiaTritanopia
Protanopia#B2BEDDno red cones; affects about 1% of men; ΔE 1.7 from the original
Deuteranopia#AEB9DAno green cones; the most common form, about 1% of men; ΔE 2.2 from the original
Tritanopia#A0C2C6no blue cones; rare, and affects men and women equally; ΔE 16.4 from the original
Distinguishable without hueYesnever rely on hue alone to carry meaning
Contrast with white, large text1.91:1WCAG large text: Fail
Contrast with black, large text10.97:1WCAG large text: AAA

Named colours

Light steelblue · ΔE 4Thistle · ΔE 15.1Light blue · ΔE 15.5Sky blue · ΔE 16.7Light skyblue · ΔE 16.8Silver · ΔE 17.5
Nearest named CSS colourLight steelblue (#B0C4DE)ΔE 4.05, a close match
Hue familyblue
CSS keyword usableNo exact keyword

Colour harmonies

base+30°+90°+120°+180°+210°+240°+270°+330°
Complementary#DBCBAC
Analogous#ACD3DB, #B4ACDB
Triadic#DBACBC, #BCDBAC
Split complementary#DBB4AC, #D3DBAC
Tetradic#DBACD3, #DBCBAC, #ACDBB4

Tints, shades & saturation

+40%+30%+20%+10%base-10%-20%-30%-40%
Lighter +40%#FFFFFF
Lighter +30%#FFFFFF
Lighter +20%#F3F5FA
Lighter +10%#D0D9EA
Darker −10%#889FCC
Darker −20%#6583BC
Darker −30%#4868A6
Darker −40%#395282
More saturated +25%#9DB7EA
Less saturated −25%#BBC1CC

Channel breakdown

R172
G188
B219
Red172 (67.5%)
Green188 (73.7%)
Blue219 (85.9%)
Hue219.57°
Saturation (HSL)39.5%
Lightness76.67%
Dominant channelBlue
Hex per channelR AC · G BC · B DB

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