#CDE0EF
Closest named color: Gainsboro (#DCDCDC). oklch(89.7% 0.029 241.6), rgb(205, 224, 239).
Aa
Black text reads best on this color (15.50:1).
About this color
#CDE0EF is a light close to neutral grey. In OKLCH its lightness is 90%, its chroma 0.029. It has too little chroma to lean warm or cool. The nearest named color is Gainsboro (#DCDCDC), ΔE 0.029 away. Black text reads best on it, at 15.50:1.
| Hue family | Neutrals |
| Lightness | light (90%) |
| Chroma | close to neutral grey (0.029) |
| Temperature | neutral |
| Nearest name | Gainsboro (#DCDCDC) |
| Black text | 15.50:1 |
| White text | 1.35:1 |
Values
| HEX | #CDE0EF |
| RGB | rgb(205, 224, 239) |
| HSL | hsl(206, 52%, 87%) |
| OKLCH | oklch(89.7% 0.029 241.6) |
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 #CDE0EF | 1.35:1 | Fails | Lc -19.9 | Dividers and decoration only |
| Black text on #CDE0EF | 15.50:1 | AAA | Lc 86.3 | Fine for body text |
| #CDE0EF text on white | 1.35:1 | Fails | Lc 17.4 | Dividers and decoration only |
| #CDE0EF text on black | 15.50:1 | AAA | Lc -86.2 | 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
#E4EBF1
oklch(93.6% 0.011 243.7)
-
Step 200
200 (this color)
#CDE0EF
oklch(89.7% 0.029 241.6)
-
Step 300
300
#ACC4D7
oklch(80.8% 0.038 241.9)
-
Step 400
400
#80A6C3
oklch(70.8% 0.059 241.5)
-
Step 500
500
#5F8FB4
oklch(63% 0.076 242.6)
-
Step 600
600
#4479A0
oklch(55.6% 0.083 242.2)
-
Step 700
700
#356689
oklch(49.2% 0.077 241.7)
-
Step 800
800
#2D536F
oklch(42.7% 0.064 242.2)
-
Step 900
900
#28455A
oklch(37.7% 0.05 241.3)
-
Step 950
950
#182835
oklch(26.9% 0.033 243.9)
#CDE0EF 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) | #DADFF0 | 0.017 |
| Deuteranopia (no green cones) | #D6DCEF | 0.015 |
| Tritanopia (no blue cones) | #C4E4E5 | 0.023 |
| Achromatopsia (no color) | #DDDDDD | 0.029 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #CDE0EF
#CDE0EF
oklch(89.7% 0.029 241.6)
- #ECD9CA
#ECD9CA
oklch(89.7% 0.029 60.7)
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 #CDE0EF, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Gainsboro #DCDCDC ΔE 0.029
- Pale Silver #D8E2DC ΔE 0.031
- Platinum #E0E1DD ΔE 0.034
- Cadet Gray #CED4DA ΔE 0.035
- Powder Blue #B0E0E6 ΔE 0.039
- Lavender #E6E6FA ΔE 0.040
- Light Gray #D3D3D3 ΔE 0.042
- Diamond #B9F2FF ΔE 0.048
Use #CDE0EF 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.