#CDCDDB
Closest named color: Cadet Gray (#CED4DA). oklch(85.3% 0.019 286), rgb(205, 205, 219).
Aa
Black text reads best on this color (13.35:1).
About this color
#CDCDDB is a light close to neutral grey. In OKLCH its lightness is 85%, its chroma 0.019. It has too little chroma to lean warm or cool. The nearest named color is Cadet Gray (#CED4DA), ΔE 0.019 away. Black text reads best on it, at 13.35:1.
| Hue family | Neutrals |
| Lightness | light (85%) |
| Chroma | close to neutral grey (0.019) |
| Temperature | neutral |
| Nearest name | Cadet Gray (#CED4DA) |
| Black text | 13.35:1 |
| White text | 1.57:1 |
Values
| HEX | #CDCDDB |
| RGB | rgb(205, 205, 219) |
| HSL | hsl(240, 16%, 83%) |
| OKLCH | oklch(85.3% 0.019 286) |
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 #CDCDDB | 1.57:1 | Fails | Lc -29.5 | Dividers and decoration only |
| Black text on #CDCDDB | 13.35:1 | AAA | Lc 77.6 | Fine for body text |
| #CDCDDB text on white | 1.57:1 | Fails | Lc 26.1 | Dividers and decoration only |
| #CDCDDB text on black | 13.35:1 | AAA | Lc -76.9 | 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
#F5F5F8
oklch(97.1% 0.004 286.3)
-
Step 100
100
#E9E9EE
oklch(93.5% 0.007 286.3)
-
Step 200
200 (this color)
#CDCDDB
oklch(85.3% 0.019 286)
-
Step 300
300
#BFBFD0
oklch(81% 0.024 285.9)
-
Step 400
400
#9E9DB9
oklch(70.6% 0.041 286.9)
-
Step 500
500
#8685A7
oklch(63% 0.051 286.2)
-
Step 600
600
#706F93
oklch(55.6% 0.055 285.7)
-
Step 700
700
#5E5D7D
oklch(49.2% 0.051 285.8)
-
Step 800
800
#4D4C66
oklch(42.8% 0.043 286.2)
-
Step 900
900
#403F53
oklch(37.7% 0.034 286.9)
-
Step 950
950
#252530
oklch(26.9% 0.02 285)
#CDCDDB 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) | #CACEDC | 0.004 |
| Deuteranopia (no green cones) | #CACEDB | 0.005 |
| Tritanopia (no blue cones) | #CACFD1 | 0.017 |
| Achromatopsia (no color) | #CECECE | 0.019 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #CDCDDB
#CDCDDB
oklch(85.3% 0.019 286)
- #D0D0C1
#D0D0C1
oklch(85.3% 0.02 106.8)
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 #CDCDDB, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Cadet Gray #CED4DA ΔE 0.019
- Light Gray #D3D3D3 ΔE 0.024
- Light Blue Grey #B7C9E2 ΔE 0.034
- Thistle #D8BFD8 ΔE 0.037
- Light Blue #ADD8E6 ΔE 0.045
- Gainsboro #DCDCDC ΔE 0.046
- Light Steel Blue #B0C4DE ΔE 0.048
- Silver #C0C0C0 ΔE 0.049
Use #CDCDDB 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.