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Recognised as Colour

#A4C7D1

  • #A4C7D1
  • Cyan
  • Light
  • Nearest: Light blue

#A4C7D1 is a cyan with RGB values 164, 199, 209 and HSL 193°, 33%, 73%. 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 blue.

Colour values

#A4C7D1#A4C7D1
HEX#A4C7D1
RGBrgb(164, 199, 209)
RGB (0–1)0.6431, 0.7804, 0.8196
RGB percentages64.3%, 78%, 82%
HSLhsl(193.3, 32.8%, 73.1%)
HSV / HSBhsv(193.3, 21.5%, 82%)
CMYK21.5%, 4.8%, 0%, 18%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer10,799,057
CSS custom property--colour: #A4C7D1;

Brightness & contrast

Relative luminance0.53343WCAG 2.x, 0 is black and 1 is white
Perceived brightness190.4 of 255ITU-R BT.601 weighting
Light or darkLight
Best text colour on this backgroundBlackcontrast 11.67:1
Contrast with white1.8:1WCAG normal text: Fail
Contrast with black11.67:1WCAG normal text: AAA
Greyscale equivalent#C0C0C0
Inverted#5B382E

Colour vision & accessibility

Normal visionProtanopiaDeuteranopiaTritanopia
Protanopia#C0C4D2no red cones; affects about 1% of men; ΔE 10.9 from the original
Deuteranopia#B9BFD1no green cones; the most common form, about 1% of men; ΔE 11 from the original
Tritanopia#97CBCAno blue cones; rare, and affects men and women equally; ΔE 8.5 from the original
Distinguishable without hueYesnever rely on hue alone to carry meaning
Contrast with white, large text1.8:1WCAG large text: Fail
Contrast with black, large text11.67:1WCAG large text: AAA

Named colours

Light blue · ΔE 6.5Powder blue · ΔE 9.3Light steelblue · ΔE 10.4Silver · ΔE 12.9Sky blue · ΔE 13.6Light grey · ΔE 14.5
Nearest named CSS colourLight blue (#ADD8E6)ΔE 6.47, clearly different but related
Hue familycyan
CSS keyword usableNo exact keyword

Colour harmonies

base+30°+90°+120°+180°+210°+240°+270°+330°
Complementary#D1AEA4
Analogous#A4D1C5, #A4B1D1
Triadic#D1A4C7, #C7D1A4
Split complementary#D1A4B1, #D1C5A4
Tetradic#C5A4D1, #D1AEA4, #B1D1A4

Tints, shades & saturation

+40%+30%+20%+10%base-10%-20%-30%-40%
Lighter +40%#FFFFFF
Lighter +30%#FFFFFF
Lighter +20%#E8F1F3
Lighter +10%#C6DCE2
Darker −10%#82B2C0
Darker −20%#609DAF
Darker −30%#4A8292
Darker −40%#396470
More saturated +25%#93D1E2
Less saturated −25%#B5BDC0

Channel breakdown

R164
G199
B209
Red164 (64.3%)
Green199 (78%)
Blue209 (82%)
Hue193.33°
Saturation (HSL)32.85%
Lightness73.14%
Dominant channelBlue
Hex per channelR A4 · G C7 · B D1

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Every value on this page was computed from “a4c7d1” by Nerdulator’s colour engine. Nothing here was retrieved from a database of answers or written by a model.