#C9DCFF
Closest named color: Cadet Gray (#CED4DA). oklch(89.2% 0.053 262.7), rgb(201, 220, 255).
Aa
Black text reads best on this color (15.16:1).
About this color
#C9DCFF is a light, muted blue. In OKLCH its lightness is 89%, its chroma 0.053 and its hue 263°. Its hue sits on the cool side of the wheel. The nearest named color is Cadet Gray (#CED4DA), ΔE 0.049 away. Black text reads best on it, at 15.16:1.
| Hue family | Blues |
| Lightness | light (89%) |
| Chroma | muted (0.053) |
| Temperature | cool |
| Nearest name | Cadet Gray (#CED4DA) |
| Black text | 15.16:1 |
| White text | 1.38:1 |
Values
| HEX | #C9DCFF |
| RGB | rgb(201, 220, 255) |
| HSL | hsl(219, 100%, 89%) |
| OKLCH | oklch(89.2% 0.053 262.7) |
Contrast
WCAG 2 contrast ratios are the conformance target: AA needs 4.5:1 for body text and 3:1 for large text, AAA needs 7:1. APCA Lc values are supplementary guidance from the WCAG 3 drafts.
| Pair | WCAG 2 | Result | APCA | APCA guidance |
|---|---|---|---|---|
| White text on #C9DCFF | 1.38:1 | Fails | Lc -21.4 | Dividers and decoration only |
| Black text on #C9DCFF | 15.16:1 | AAA | Lc 85.0 | Fine for body text |
| #C9DCFF text on white | 1.38:1 | Fails | Lc 18.7 | Dividers and decoration only |
| #C9DCFF text on black | 15.16:1 | AAA | Lc -84.8 | Fine for body text |
Tints and shades
A 50–950 scale built in OKLCH: the hue is held, lightness follows a Tailwind v4-like curve, and every step is kept inside the sRGB gamut. This color sits at step 200.
-
Step 50
50
#F2F6FC
oklch(97.2% 0.009 258.3)
-
Step 100
100
#E3EAF7
oklch(93.6% 0.019 263)
-
Step 200
200 (this color)
#C9DCFF
oklch(89.2% 0.053 262.7)
-
Step 300
300
#AAC1ED
oklch(80.9% 0.067 263.3)
-
Step 400
400
#7CA0E4
oklch(70.7% 0.108 262.5)
-
Step 500
500
#5B87DC
oklch(63.1% 0.137 262.4)
-
Step 600
600
#426FCA
oklch(55.6% 0.15 262.7)
-
Step 700
700
#345CAF
oklch(49.1% 0.14 262.9)
-
Step 800
800
#2B4C8D
oklch(42.7% 0.115 262.4)
-
Step 900
900
#274071
oklch(37.8% 0.09 262.5)
-
Step 950
950
#172642
oklch(27.1% 0.056 262)
#C9DCFF with color blindness
Simulated with the Machado et al. (2009) model. ΔE is how far the color moves: below about 0.02 you would not notice a change.
| Vision | Seen as | Shift (ΔE) |
|---|---|---|
| Protanopia (no red cones) | #D1DEFF | 0.012 |
| Deuteranopia (no green cones) | #CCD9FE | 0.008 |
| Tritanopia (no blue cones) | #BBE3E7 | 0.047 |
| Achromatopsia (no color) | #DBDBDB | 0.053 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #C9DCFF
#C9DCFF
oklch(89.2% 0.053 262.7)
- #EDD9B5
#EDD9B5
oklch(89.3% 0.052 82.3)
Analogous
Neighbouring hues, 30° either side.
Split complementary
The two hues beside the complement (150° and 210°).
Triadic
Three hues spaced 120° apart.
Palettes with this color
Curated palettes that contain a color within ΔE 0.04 (OKLab) of #C9DCFF, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Cadet Gray #CED4DA ΔE 0.049
- Lavender #E6E6FA ΔE 0.049
- Light Blue #ADD8E6 ΔE 0.051
- Powder Blue #B0E0E6 ΔE 0.052
- Gainsboro #DCDCDC ΔE 0.053
- Pale Lilac #E4CBFF ΔE 0.054
- Pale Lavender #EECFFE ΔE 0.056
- Light Gray #D3D3D3 ΔE 0.058
Use #C9DCFF in your product
Turn it into light and dark UI roles checked for contrast, then export to Tailwind v4, shadcn/ui, CSS or design tokens.