#CDD9EB
Closest named color: Cadet Gray (#CED4DA). oklch(88.2% 0.028 258.4), rgb(205, 217, 235).
Aa
Black text reads best on this color (14.72:1).
About this color
#CDD9EB is a light close to neutral grey. In OKLCH its lightness is 88%, its chroma 0.028. 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 14.72:1.
| Hue family | Neutrals |
| Lightness | light (88%) |
| Chroma | close to neutral grey (0.028) |
| Temperature | neutral |
| Nearest name | Cadet Gray (#CED4DA) |
| Black text | 14.72:1 |
| White text | 1.42:1 |
Values
| HEX | #CDD9EB |
| RGB | rgb(205, 217, 235) |
| HSL | hsl(216, 43%, 86%) |
| OKLCH | oklch(88.2% 0.028 258.4) |
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 #CDD9EB | 1.42:1 | Fails | Lc -23.4 | Dividers and decoration only |
| Black text on #CDD9EB | 14.72:1 | AAA | Lc 83.2 | Fine for body text |
| #CDD9EB text on white | 1.42:1 | Fails | Lc 20.5 | Dividers and decoration only |
| #CDD9EB text on black | 14.72:1 | AAA | Lc -82.9 | 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
#F3F6F9
oklch(97.2% 0.005 247.9)
-
Step 100
100
#E6EAF1
oklch(93.6% 0.01 261.8)
-
Step 200
200 (this color)
#CDD9EB
oklch(88.2% 0.028 258.4)
-
Step 300
300
#B3C2D8
oklch(81% 0.035 257.9)
-
Step 400
400
#8BA2C5
oklch(70.7% 0.058 258.7)
-
Step 500
500
#6E8BB6
oklch(63.1% 0.073 258.1)
-
Step 600
600
#5674A2
oklch(55.5% 0.08 258.7)
-
Step 700
700
#46628B
oklch(49.2% 0.074 257.8)
-
Step 800
800
#3A5071
oklch(42.8% 0.062 258.3)
-
Step 900
900
#32425B
oklch(37.7% 0.048 259.1)
-
Step 950
950
#1D2735
oklch(27% 0.03 256.9)
#CDD9EB 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) | #D3DAEC | 0.009 |
| Deuteranopia (no green cones) | #D0D7EB | 0.006 |
| Tritanopia (no blue cones) | #C6DDDF | 0.025 |
| Achromatopsia (no color) | #D8D8D8 | 0.028 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #CDD9EB
#CDD9EB
oklch(88.2% 0.028 258.4)
- #E2D6C4
#E2D6C4
oklch(88.1% 0.028 78.2)
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 #CDD9EB, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Cadet Gray #CED4DA ΔE 0.023
- Gainsboro #DCDCDC ΔE 0.031
- Light Gray #D3D3D3 ΔE 0.032
- Pale Silver #D8E2DC ΔE 0.039
- Powder Blue #B0E0E6 ΔE 0.041
- Light Blue #ADD8E6 ΔE 0.041
- Platinum #E0E1DD ΔE 0.042
- Lavender #E6E6FA ΔE 0.051
Use #CDD9EB 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.