ColorXprez

#C9DAEE

Lavender · very light cool blue

About #C9DAEE

With the hex code #C9DAEE, this is a very light blue with a muted character. Its RGB recipe is 79% red, 85% green and 93% blue, while a printer would mix 16% cyan, 8% magenta, 0% yellow and 7% black. It reads as a cool colour.

If you had to name it, it is very close to Lavender — a ΔE of 7.9 — followed by Ice Blue. For maximum hue contrast, pair it with its complement #EEDDC9, a bone shade.

In design, a very light colour like this works best for backgrounds, page sections and subtle cards. Black text reads best on it at 14.75:1 (a WCAG AAA pass).

Colour codes

HEX
RGB
HSL
HSV / HSB
CMYK
CIELAB
Decimal
CSS
Red201
Green218
Blue238

Closest named colours

Lavender
#E6E6FA · ΔE 7.9
Ice Blue
#DBEEFA · ΔE 8.0
Light Blue
#ADD8E6 · ΔE 9.6

ΔE measures visible difference: under 2 is barely noticeable, over 10 is clearly different.

Text on #C9DAEE

WCAG contrast for white and black text on this colour.

White heading text
Body copy set on lavender #C9DAEE.
1.42:1Fail
Black heading text
Body copy set on lavender #C9DAEE.
14.75:1AAA

Colour-blindness preview

How #C9DAEE appears to people with the three most common types of colour-vision deficiency.

Normal vision
#C9DAEE
Protanopia (no red cones)
#D3DAEF
Deuteranopia (no green cones)
#CFD6EE
Tritanopia (no blue cones)
#C0DEE0

Shades, tints & matching colours

Tints and shades

Complementary

Analogous

Triadic

Split complementary

Tetradic

Similar colours

Frequently asked questions

›What colour is #C9DAEE?

With the hex code #C9DAEE, this is a very light blue with a muted character. Its RGB recipe is 79% red, 85% green and 93% blue, while a printer would mix 16% cyan, 8% magenta, 0% yellow and 7% black. It reads as a cool colour.

›What text colour should I use on #C9DAEE?

Use black text. Black on #C9DAEE has a contrast ratio of 14.75:1 (AAA).

›What colours go with #C9DAEE?

Its complementary colour is #EEDDC9, and analogous partners are #C9ECEE and #CBC9EE.