#CDD8EB
Closest named color: Cadet Gray (#CED4DA). oklch(88% 0.029 261.5), rgb(205, 216, 235).
Aa
Black text reads best on this color (14.61:1).
About this color
#CDD8EB is a light close to neutral grey. In OKLCH its lightness is 88%, its chroma 0.029. It has too little chroma to lean warm or cool. The nearest named color is Cadet Gray (#CED4DA), ΔE 0.023 away. Black text reads best on it, at 14.61:1.
| Hue family | Neutrals |
| Lightness | light (88%) |
| Chroma | close to neutral grey (0.029) |
| Temperature | neutral |
| Nearest name | Cadet Gray (#CED4DA) |
| Black text | 14.61:1 |
| White text | 1.43:1 |
Values
| HEX | #CDD8EB |
| RGB | rgb(205, 216, 235) |
| HSL | hsl(218, 43%, 86%) |
| OKLCH | oklch(88% 0.029 261.5) |
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 #CDD8EB | 1.43:1 | Fails | Lc -23.8 | Dividers and decoration only |
| Black text on #CDD8EB | 14.61:1 | AAA | Lc 82.8 | Fine for body text |
| #CDD8EB text on white | 1.43:1 | Fails | Lc 20.9 | Dividers and decoration only |
| #CDD8EB text on black | 14.61:1 | AAA | Lc -82.4 | 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
#F4F5F9
oklch(97.1% 0.005 275)
-
Step 100
100
#E6EAF1
oklch(93.6% 0.01 261.8)
-
Step 200
200 (this color)
#CDD8EB
oklch(88% 0.029 261.5)
-
Step 300
300
#B4C1D9
oklch(80.9% 0.037 262.8)
-
Step 400
400
#8CA1C6
oklch(70.6% 0.059 261.7)
-
Step 500
500
#708AB8
oklch(63.1% 0.076 261.6)
-
Step 600
600
#5873A4
oklch(55.5% 0.083 261.9)
-
Step 700
700
#48618C
oklch(49.2% 0.076 260.9)
-
Step 800
800
#3B4F72
oklch(42.7% 0.064 261.2)
-
Step 900
900
#33425C
oklch(37.8% 0.049 261.1)
-
Step 950
950
#1E2736
oklch(27.1% 0.031 260.5)
#CDD8EB 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) | #D2D9EC | 0.007 |
| Deuteranopia (no green cones) | #CFD6EB | 0.006 |
| Tritanopia (no blue cones) | #C6DCDE | 0.026 |
| Achromatopsia (no color) | #D7D7D7 | 0.029 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #CDD8EB
#CDD8EB
oklch(88% 0.029 261.5)
- #E1D6C3
#E1D6C3
oklch(88% 0.028 81.5)
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 #CDD8EB, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Cadet Gray #CED4DA ΔE 0.023
- Light Gray #D3D3D3 ΔE 0.032
- Gainsboro #DCDCDC ΔE 0.032
- Light Blue #ADD8E6 ΔE 0.041
- Pale Silver #D8E2DC ΔE 0.042
- Powder Blue #B0E0E6 ΔE 0.042
- Platinum #E0E1DD ΔE 0.044
- Light Blue Grey #B7C9E2 ΔE 0.051
Use #CDD8EB 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.