#CDDCE9
Closest named color: Cadet Gray (#CED4DA). oklch(88.7% 0.024 244.2), rgb(205, 220, 233).
Aa
Black text reads best on this color (15.00:1).
About this color
#CDDCE9 is a light close to neutral grey. In OKLCH its lightness is 89%, its chroma 0.024. 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 15.00:1.
| Hue family | Neutrals |
| Lightness | light (89%) |
| Chroma | close to neutral grey (0.024) |
| Temperature | neutral |
| Nearest name | Cadet Gray (#CED4DA) |
| Black text | 15.00:1 |
| White text | 1.39:1 |
Values
| HEX | #CDDCE9 |
| RGB | rgb(205, 220, 233) |
| HSL | hsl(208, 39%, 86%) |
| OKLCH | oklch(88.7% 0.024 244.2) |
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 #CDDCE9 | 1.39:1 | Fails | Lc -22.1 | Dividers and decoration only |
| Black text on #CDDCE9 | 15.00:1 | AAA | Lc 84.3 | Fine for body text |
| #CDDCE9 text on white | 1.39:1 | Fails | Lc 19.3 | Dividers and decoration only |
| #CDDCE9 text on black | 15.00:1 | AAA | Lc -84.1 | 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
#F3F6F8
oklch(97.1% 0.004 236.5)
-
Step 100
100
#E5EBEF
oklch(93.7% 0.008 236.6)
-
Step 200
200 (this color)
#CDDCE9
oklch(88.7% 0.024 244.2)
-
Step 300
300
#B0C3D4
oklch(80.8% 0.032 245.2)
-
Step 400
400
#87A5BE
oklch(70.8% 0.05 243.7)
-
Step 500
500
#688EAE
oklch(63.1% 0.064 244.5)
-
Step 600
600
#4F7899
oklch(55.6% 0.069 243.7)
-
Step 700
700
#406583
oklch(49.2% 0.064 244.1)
-
Step 800
800
#35526A
oklch(42.6% 0.053 244.5)
-
Step 900
900
#2E4456
oklch(37.6% 0.041 243.9)
-
Step 950
950
#1B2832
oklch(27% 0.026 242)
#CDDCE9 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) | #D7DCEA | 0.013 |
| Deuteranopia (no green cones) | #D3D9E9 | 0.010 |
| Tritanopia (no blue cones) | #C6DFE0 | 0.019 |
| Achromatopsia (no color) | #DADADA | 0.024 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #CDDCE9
#CDDCE9
oklch(88.7% 0.024 244.2)
- #E6D7CA
#E6D7CA
oklch(88.8% 0.024 63.5)
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 #CDDCE9, 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 0.025
- Pale Silver #D8E2DC ΔE 0.031
- Light Gray #D3D3D3 ΔE 0.032
- Platinum #E0E1DD ΔE 0.035
- Powder Blue #B0E0E6 ΔE 0.037
- Light Blue #ADD8E6 ΔE 0.042
- Lavender #E6E6FA ΔE 0.047
Use #CDDCE9 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.