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Recognised as Colour

#A4D5DC

  • #A4D5DC
  • Cyan
  • Light
  • Nearest: Powder blue

#A4D5DC is a cyan with RGB values 164, 213, 220 and HSL 188°, 44%, 75%. It is a light colour, so black text on it reaches 13.1:1 contrast (AAA for normal text). The nearest named colour is Powder blue.

Colour values

#A4D5DC#A4D5DC
HEX#A4D5DC
RGBrgb(164, 213, 220)
RGB (0–1)0.6431, 0.8353, 0.8627
RGB percentages64.3%, 83.5%, 86.3%
HSLhsl(187.5, 44.4%, 75.3%)
HSV / HSBhsv(187.5, 25.5%, 86.3%)
CMYK25.5%, 3.2%, 0%, 13.7%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer10,802,652
CSS custom property--colour: #A4D5DC;

Brightness & contrast

Relative luminance0.60648WCAG 2.x, 0 is black and 1 is white
Perceived brightness200.5 of 255ITU-R BT.601 weighting
Light or darkLight
Best text colour on this backgroundBlackcontrast 13.13:1
Contrast with white1.6:1WCAG normal text: Fail
Contrast with black13.13:1WCAG normal text: AAA
Greyscale equivalent#CBCBCB
Inverted#5B2A23

Colour vision & accessibility

Normal visionProtanopiaDeuteranopiaTritanopia
Protanopia#CDD1DDno red cones; affects about 1% of men; ΔE 15.4 from the original
Deuteranopia#C3C9DCno green cones; the most common form, about 1% of men; ΔE 16 from the original
Tritanopia#92D9D7no blue cones; rare, and affects men and women equally; ΔE 8.6 from the original
Distinguishable without hueYesnever rely on hue alone to carry meaning
Contrast with white, large text1.6:1WCAG large text: Fail
Contrast with black, large text13.13:1WCAG large text: AAA

Named colours

Powder blue · ΔE 4Light blue · ΔE 4.7Pale turquoise · ΔE 9.8Sky blue · ΔE 13Light steelblue · ΔE 15Light grey · ΔE 16.8
Nearest named CSS colourPowder blue (#B0E0E6)ΔE 4, a close match
Hue familycyan
CSS keyword usableNo exact keyword

Colour harmonies

base+30°+90°+120°+180°+210°+240°+270°+330°
Complementary#DCABA4
Analogous#A4DCC7, #A4B9DC
Triadic#DCA4D5, #D5DCA4
Split complementary#DCA4B9, #DCC7A4
Tetradic#C7A4DC, #DCABA4, #B9DCA4

Tints, shades & saturation

+40%+30%+20%+10%base-10%-20%-30%-40%
Lighter +40%#FFFFFF
Lighter +30%#FFFFFF
Lighter +20%#EEF7F8
Lighter +10%#C9E6EA
Darker −10%#7FC4CE
Darker −20%#5AB3C0
Darker −30%#409AA7
Darker −40%#327882
More saturated +25%#94E1EC
Less saturated −25%#B4C9CC

Channel breakdown

R164
G213
B220
Red164 (64.3%)
Green213 (83.5%)
Blue220 (86.3%)
Hue187.5°
Saturation (HSL)44.44%
Lightness75.29%
Dominant channelBlue
Hex per channelR A4 · G D5 · B DC

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Every value on this page was computed from “a4d5dc” by Nerdulator’s colour engine. Nothing here was retrieved from a database of answers or written by a model.