#C9DADC
Closest named color: Cadet Gray (#CED4DA). oklch(87.6% 0.019 205.3), rgb(201, 218, 220).
Aa
Black text reads best on this color (14.54:1).
About this color
#C9DADC is a light close to neutral grey. In OKLCH its lightness is 88%, its chroma 0.019. It has too little chroma to lean warm or cool. The nearest named color is Cadet Gray (#CED4DA), ΔE 0.016 away. Black text reads best on it, at 14.54:1.
| Hue family | Neutrals |
| Lightness | light (88%) |
| Chroma | close to neutral grey (0.019) |
| Temperature | neutral |
| Nearest name | Cadet Gray (#CED4DA) |
| Black text | 14.54:1 |
| White text | 1.44:1 |
Values
| HEX | #C9DADC |
| RGB | rgb(201, 218, 220) |
| HSL | hsl(186, 21%, 83%) |
| OKLCH | oklch(87.6% 0.019 205.3) |
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 #C9DADC | 1.44:1 | Fails | Lc -24.1 | Dividers and decoration only |
| Black text on #C9DADC | 14.54:1 | AAA | Lc 82.5 | Fine for body text |
| #C9DADC text on white | 1.44:1 | Fails | Lc 21.2 | Dividers and decoration only |
| #C9DADC text on black | 14.54:1 | AAA | Lc -82.1 | 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
#F3F6F6
oklch(97.1% 0.003 197.1)
-
Step 100
100
#E5EBEC
oklch(93.6% 0.007 208.8)
-
Step 200
200 (this color)
#C9DADC
oklch(87.6% 0.019 205.3)
-
Step 300
300
#B0C5C8
oklch(80.8% 0.023 207.1)
-
Step 400
400
#85A8AC
oklch(70.7% 0.039 204.9)
-
Step 500
500
#669298
oklch(63% 0.049 206.6)
-
Step 600
600
#4C7D82
oklch(55.7% 0.054 204)
-
Step 700
700
#3D696E
oklch(49.1% 0.049 205)
-
Step 800
800
#33565A
oklch(42.8% 0.041 205)
-
Step 900
900
#2D474A
oklch(37.8% 0.032 205)
-
Step 950
950
#1B292B
oklch(26.9% 0.019 207.1)
#C9DADC 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) | #D7D8DC | 0.019 |
| Deuteranopia (no green cones) | #D3D6DC | 0.016 |
| Tritanopia (no blue cones) | #C4DCDB | 0.008 |
| Achromatopsia (no color) | #D7D7D7 | 0.019 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #C9DADC
#C9DADC
oklch(87.6% 0.019 205.3)
- #E2D2D0
#E2D2D0
oklch(87.6% 0.018 26.1)
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 #C9DADC, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Cadet Gray #CED4DA ΔE 0.016
- Light Gray #D3D3D3 ΔE 0.021
- Gainsboro #DCDCDC ΔE 0.026
- Pale Silver #D8E2DC ΔE 0.030
- Powder Blue #B0E0E6 ΔE 0.032
- Platinum #E0E1DD ΔE 0.037
- Light Blue #ADD8E6 ΔE 0.037
- Celeste #A8DADC ΔE 0.040
Use #C9DADC 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.