#CDDDE9
Closest named color: Gainsboro (#DCDCDC). oklch(88.9% 0.024 240.1), rgb(205, 221, 233).
Aa
Black text reads best on this color (15.11:1).
About this color
#CDDDE9 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 Gainsboro (#DCDCDC), ΔE 0.024 away. Black text reads best on it, at 15.11:1.
| Hue family | Neutrals |
| Lightness | light (89%) |
| Chroma | close to neutral grey (0.024) |
| Temperature | neutral |
| Nearest name | Gainsboro (#DCDCDC) |
| Black text | 15.11:1 |
| White text | 1.38:1 |
Values
| HEX | #CDDDE9 |
| RGB | rgb(205, 221, 233) |
| HSL | hsl(206, 39%, 86%) |
| OKLCH | oklch(88.9% 0.024 240.1) |
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 #CDDDE9 | 1.38:1 | Fails | Lc -21.6 | Dividers and decoration only |
| Black text on #CDDDE9 | 15.11:1 | AAA | Lc 84.8 | Fine for body text |
| #CDDDE9 text on white | 1.38:1 | Fails | Lc 18.9 | Dividers and decoration only |
| #CDDDE9 text on black | 15.11:1 | AAA | Lc -84.6 | 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)
#CDDDE9
oklch(88.9% 0.024 240.1)
-
Step 300
300
#B0C4D3
oklch(81% 0.03 240.3)
-
Step 400
400
#85A5BD
oklch(70.6% 0.05 240.8)
-
Step 500
500
#668FAC
oklch(63.1% 0.063 239.8)
-
Step 600
600
#4D7997
oklch(55.6% 0.067 239.4)
-
Step 700
700
#3E6681
oklch(49.2% 0.063 239.3)
-
Step 800
800
#335369
oklch(42.7% 0.053 239.7)
-
Step 900
900
#2D4555
oklch(37.8% 0.04 238.4)
-
Step 950
950
#1B2832
oklch(27% 0.026 242)
#CDDDE9 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) | #D8DCEA | 0.015 |
| Deuteranopia (no green cones) | #D4D9E9 | 0.013 |
| Tritanopia (no blue cones) | #C6E0E1 | 0.018 |
| Achromatopsia (no color) | #DBDBDB | 0.024 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #CDDDE9
#CDDDE9
oklch(88.9% 0.024 240.1)
- #E7D7CB
#E7D7CB
oklch(88.9% 0.024 59.4)
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 #CDDDE9, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Gainsboro #DCDCDC ΔE 0.024
- Cadet Gray #CED4DA ΔE 0.026
- Pale Silver #D8E2DC ΔE 0.029
- Light Gray #D3D3D3 ΔE 0.033
- Platinum #E0E1DD ΔE 0.033
- Powder Blue #B0E0E6 ΔE 0.036
- Light Blue #ADD8E6 ΔE 0.043
- Lavender #E6E6FA ΔE 0.046
Use #CDDDE9 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.