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Recognised as Colour

#A3C7DB

  • #A3C7DB
  • Blue
  • Light
  • Nearest: Light steelblue

#A3C7DB is a blue with RGB values 163, 199, 219 and HSL 201°, 44%, 75%. 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

#A3C7DB#A3C7DB
HEX#A3C7DB
RGBrgb(163, 199, 219)
RGB (0–1)0.6392, 0.7804, 0.8588
RGB percentages63.9%, 78%, 85.9%
HSLhsl(201.4, 43.8%, 74.9%)
HSV / HSBhsv(201.4, 25.6%, 85.9%)
CMYK25.6%, 9.1%, 0%, 14.1%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer10,733,531
CSS custom property--colour: #A3C7DB;

Brightness & contrast

Relative luminance0.53748WCAG 2.x, 0 is black and 1 is white
Perceived brightness191.5 of 255ITU-R BT.601 weighting
Light or darkLight
Best text colour on this backgroundBlackcontrast 11.75:1
Contrast with white1.79:1WCAG normal text: Fail
Contrast with black11.75:1WCAG normal text: AAA
Greyscale equivalent#C1C1C1
Inverted#5C3824

Colour vision & accessibility

Normal visionProtanopiaDeuteranopiaTritanopia
Protanopia#BDC5DCno red cones; affects about 1% of men; ΔE 9.6 from the original
Deuteranopia#B5BFDBno green cones; the most common form, about 1% of men; ΔE 9.9 from the original
Tritanopia#92CDCDno blue cones; rare, and affects men and women equally; ΔE 13.7 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 text11.75:1WCAG large text: AAA

Named colours

Light steelblue · ΔE 6.4Light blue · ΔE 6.9Sky blue · ΔE 10.5Powder blue · ΔE 11.8Light skyblue · ΔE 15.1Silver · ΔE 15.8
Nearest named CSS colourLight steelblue (#B0C4DE)ΔE 6.35, clearly different but related
Hue familyblue
CSS keyword usableNo exact keyword

Colour harmonies

base+30°+90°+120°+180°+210°+240°+270°+330°
Complementary#DBB7A3
Analogous#A3DBD3, #A3ABDB
Triadic#DBA3C7, #C7DBA3
Split complementary#DBA3AB, #DBD3A3
Tetradic#D3A3DB, #DBB7A3, #ABDBA3

Tints, shades & saturation

+40%+30%+20%+10%base-10%-20%-30%-40%
Lighter +40%#FFFFFF
Lighter +30%#FFFFFF
Lighter +20%#ECF4F8
Lighter +10%#C8DDE9
Darker −10%#7EB1CD
Darker −20%#5A9ABE
Darker −30%#4081A5
Darker −40%#326480
More saturated +25%#93CCEB
Less saturated −25%#B3C2CB

Channel breakdown

R163
G199
B219
Red163 (63.9%)
Green199 (78%)
Blue219 (85.9%)
Hue201.43°
Saturation (HSL)43.75%
Lightness74.9%
Dominant channelBlue
Hex per channelR A3 · G C7 · B DB

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Every value on this page was computed from “a3c7db” by Nerdulator’s colour engine. Nothing here was retrieved from a database of answers or written by a model.