#C9DCDB
Closest named color: Cadet Gray (#CED4DA). oklch(88% 0.02 193), rgb(201, 220, 219).
Aa
Black text reads best on this color (14.74:1).
About this color
#C9DCDB is a light close to neutral grey. In OKLCH its lightness is 88%, its chroma 0.020. It has too little chroma to lean warm or cool. The nearest named color is Cadet Gray (#CED4DA), ΔE 0.021 away. Black text reads best on it, at 14.74:1.
| Hue family | Neutrals |
| Lightness | light (88%) |
| Chroma | close to neutral grey (0.020) |
| Temperature | neutral |
| Nearest name | Cadet Gray (#CED4DA) |
| Black text | 14.74:1 |
| White text | 1.42:1 |
Values
| HEX | #C9DCDB |
| RGB | rgb(201, 220, 219) |
| HSL | hsl(177, 21%, 83%) |
| OKLCH | oklch(88% 0.02 193) |
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 #C9DCDB | 1.42:1 | Fails | Lc -23.3 | Dividers and decoration only |
| Black text on #C9DCDB | 14.74:1 | AAA | Lc 83.3 | Fine for body text |
| #C9DCDB text on white | 1.42:1 | Fails | Lc 20.4 | Dividers and decoration only |
| #C9DCDB text on black | 14.74:1 | AAA | Lc -83.0 | 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
#E4EBEB
oklch(93.5% 0.007 197)
-
Step 200
200 (this color)
#C9DCDB
oklch(88% 0.02 193)
-
Step 300
300
#AEC6C5
oklch(80.8% 0.026 193.6)
-
Step 400
400
#83A9A8
oklch(70.7% 0.041 194.2)
-
Step 500
500
#629492
oklch(63.1% 0.054 192.7)
-
Step 600
600
#487E7D
oklch(55.5% 0.058 194.1)
-
Step 700
700
#396B69
oklch(49.2% 0.054 192.2)
-
Step 800
800
#2F5756
oklch(42.7% 0.045 193.5)
-
Step 900
900
#2B4847
oklch(37.8% 0.035 193)
-
Step 950
950
#192A29
oklch(27% 0.023 191.2)
#C9DCDB 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) | #D9DADB | 0.021 |
| Deuteranopia (no green cones) | #D6D7DB | 0.020 |
| Tritanopia (no blue cones) | #C4DDDC | 0.006 |
| Achromatopsia (no color) | #D8D8D8 | 0.021 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #C9DCDB
#C9DCDB
oklch(88% 0.02 193)
- #E5D2D4
#E5D2D4
oklch(88% 0.021 10.3)
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 #C9DCDB, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Cadet Gray #CED4DA ΔE 0.021
- Light Gray #D3D3D3 ΔE 0.024
- Gainsboro #DCDCDC ΔE 0.025
- Pale Silver #D8E2DC ΔE 0.026
- Powder Blue #B0E0E6 ΔE 0.031
- Platinum #E0E1DD ΔE 0.034
- Light Blue #ADD8E6 ΔE 0.040
- Celeste #A8DADC ΔE 0.041
Use #C9DCDB 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.