#C9DDE6
Closest named color: Cadet Gray (#CED4DA). oklch(88.5% 0.025 226.5), rgb(201, 221, 230).
Aa
Black text reads best on this color (14.96:1).
About this color
#C9DDE6 is a light close to neutral grey. In OKLCH its lightness is 89%, its chroma 0.025. It has too little chroma to lean warm or cool. The nearest named color is Cadet Gray (#CED4DA), ΔE 0.024 away. Black text reads best on it, at 14.96:1.
| Hue family | Neutrals |
| Lightness | light (89%) |
| Chroma | close to neutral grey (0.025) |
| Temperature | neutral |
| Nearest name | Cadet Gray (#CED4DA) |
| Black text | 14.96:1 |
| White text | 1.40:1 |
Values
| HEX | #C9DDE6 |
| RGB | rgb(201, 221, 230) |
| HSL | hsl(199, 37%, 85%) |
| OKLCH | oklch(88.5% 0.025 226.5) |
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 #C9DDE6 | 1.40:1 | Fails | Lc -22.3 | Dividers and decoration only |
| Black text on #C9DDE6 | 14.96:1 | AAA | Lc 84.2 | Fine for body text |
| #C9DDE6 text on white | 1.40:1 | Fails | Lc 19.5 | Dividers and decoration only |
| #C9DDE6 text on black | 14.96:1 | AAA | Lc -83.9 | 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
#F3F6F8
oklch(97.1% 0.004 236.5)
-
Step 100
100
#E4EBEF
oklch(93.6% 0.009 232.4)
-
Step 200
200 (this color)
#C9DDE6
oklch(88.5% 0.025 226.5)
-
Step 300
300
#ACC5D1
oklch(80.9% 0.032 228.3)
-
Step 400
400
#7FA8B9
oklch(70.8% 0.051 225.3)
-
Step 500
500
#5D92A8
oklch(63.1% 0.065 226.2)
-
Step 600
600
#427C93
oklch(55.6% 0.07 226)
-
Step 700
700
#33687E
oklch(49% 0.066 227.6)
-
Step 800
800
#2B5566
oklch(42.7% 0.055 226.6)
-
Step 900
900
#284653
oklch(37.6% 0.042 227.6)
-
Step 950
950
#182931
oklch(27% 0.027 229.2)
#C9DDE6 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) | #D8DCE7 | 0.020 |
| Deuteranopia (no green cones) | #D4D8E6 | 0.018 |
| Tritanopia (no blue cones) | #C1E0E0 | 0.017 |
| Achromatopsia (no color) | #DADADA | 0.025 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #C9DDE6
#C9DDE6
oklch(88.5% 0.025 226.5)
- #E8D5CC
#E8D5CC
oklch(88.6% 0.024 47.1)
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 #C9DDE6, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Cadet Gray #CED4DA ΔE 0.024
- Gainsboro #DCDCDC ΔE 0.026
- Pale Silver #D8E2DC ΔE 0.029
- Powder Blue #B0E0E6 ΔE 0.030
- Light Gray #D3D3D3 ΔE 0.031
- Platinum #E0E1DD ΔE 0.035
- Light Blue #ADD8E6 ΔE 0.038
- Celeste #A8DADC ΔE 0.044
Use #C9DDE6 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.