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Recognised as Colour

#A7C9DA

  • #A7C9DA
  • Blue
  • Light
  • Nearest: Light blue

#A7C9DA is a blue with RGB values 167, 201, 218 and HSL 200°, 41%, 75%. It is a light colour, so black text on it reaches 12:1 contrast (AAA for normal text). The nearest named colour is Light blue.

Colour values

#A7C9DA#A7C9DA
HEX#A7C9DA
RGBrgb(167, 201, 218)
RGB (0–1)0.6549, 0.7882, 0.8549
RGB percentages65.5%, 78.8%, 85.5%
HSLhsl(200, 40.8%, 75.5%)
HSV / HSBhsv(200, 23.4%, 85.5%)
CMYK23.4%, 7.8%, 0%, 14.5%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer10,996,186
CSS custom property--colour: #A7C9DA;

Brightness & contrast

Relative luminance0.55051WCAG 2.x, 0 is black and 1 is white
Perceived brightness193.6 of 255ITU-R BT.601 weighting
Light or darkLight
Best text colour on this backgroundBlackcontrast 12.01:1
Contrast with white1.75:1WCAG normal text: Fail
Contrast with black12.01:1WCAG normal text: AAA
Greyscale equivalent#C3C3C3
Inverted#583625

Colour vision & accessibility

Normal visionProtanopiaDeuteranopiaTritanopia
Protanopia#C0C7DBno red cones; affects about 1% of men; ΔE 9.3 from the original
Deuteranopia#B9C1DAno green cones; the most common form, about 1% of men; ΔE 10 from the original
Tritanopia#98CECEno blue cones; rare, and affects men and women equally; ΔE 11.7 from the original
Distinguishable without hueYesnever rely on hue alone to carry meaning
Contrast with white, large text1.75:1WCAG large text: Fail
Contrast with black, large text12.01:1WCAG large text: AAA

Named colours

Light blue · ΔE 5.8Light steelblue · ΔE 7Powder blue · ΔE 10.5Sky blue · ΔE 11.6Silver · ΔE 14.4Light grey · ΔE 15.4
Nearest named CSS colourLight blue (#ADD8E6)ΔE 5.83, clearly different but related
Hue familyblue
CSS keyword usableNo exact keyword

Colour harmonies

base+30°+90°+120°+180°+210°+240°+270°+330°
Complementary#DAB8A7
Analogous#A7DAD2, #A7B0DA
Triadic#DAA7C9, #C9DAA7
Split complementary#DAA7B0, #DAD2A7
Tetradic#D1A7DA, #DAB8A7, #B0DAA7

Tints, shades & saturation

+40%+30%+20%+10%base-10%-20%-30%-40%
Lighter +40%#FFFFFF
Lighter +30%#FFFFFF
Lighter +20%#EFF5F8
Lighter +10%#CBDFE9
Darker −10%#83B3CB
Darker −20%#5F9DBC
Darker −30%#4584A3
Darker −40%#36677F
More saturated +25%#97CEEA
Less saturated −25%#B7C4CA

Channel breakdown

R167
G201
B218
Red167 (65.5%)
Green201 (78.8%)
Blue218 (85.5%)
Hue200°
Saturation (HSL)40.8%
Lightness75.49%
Dominant channelBlue
Hex per channelR A7 · G C9 · B DA

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Every value on this page was computed from “a7c9da” by Nerdulator’s colour engine. Nothing here was retrieved from a database of answers or written by a model.