#CDDEEF
Closest named color: Gainsboro (#DCDCDC). oklch(89.3% 0.03 248.2), rgb(205, 222, 239).
Aa
Black text reads best on this color (15.29:1).
About this color
#CDDEEF is a light close to neutral grey. In OKLCH its lightness is 89%, its chroma 0.030. It has too little chroma to lean warm or cool. The nearest named color is Gainsboro (#DCDCDC), ΔE 0.030 away. Black text reads best on it, at 15.29:1.
| Hue family | Neutrals |
| Lightness | light (89%) |
| Chroma | close to neutral grey (0.030) |
| Temperature | neutral |
| Nearest name | Gainsboro (#DCDCDC) |
| Black text | 15.29:1 |
| White text | 1.37:1 |
Values
| HEX | #CDDEEF |
| RGB | rgb(205, 222, 239) |
| HSL | hsl(210, 52%, 87%) |
| OKLCH | oklch(89.3% 0.03 248.2) |
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 #CDDEEF | 1.37:1 | Fails | Lc -20.8 | Dividers and decoration only |
| Black text on #CDDEEF | 15.29:1 | AAA | Lc 85.4 | Fine for body text |
| #CDDEEF text on white | 1.37:1 | Fails | Lc 18.2 | Dividers and decoration only |
| #CDDEEF text on black | 15.29:1 | AAA | Lc -85.3 | 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
#E4EBF1
oklch(93.6% 0.011 243.7)
-
Step 200
200 (this color)
#CDDEEF
oklch(89.3% 0.03 248.2)
-
Step 300
300
#AEC3D9
oklch(80.8% 0.039 249.5)
-
Step 400
400
#83A4C5
oklch(70.6% 0.061 248.7)
-
Step 500
500
#638EB7
oklch(63.2% 0.078 248)
-
Step 600
600
#4977A3
oklch(55.5% 0.086 248.6)
-
Step 700
700
#3A648B
oklch(49% 0.079 248)
-
Step 800
800
#315271
oklch(42.7% 0.065 248.1)
-
Step 900
900
#2B445B
oklch(37.7% 0.05 247.3)
-
Step 950
950
#1A2836
oklch(27.1% 0.032 249.1)
#CDDEEF 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) | #D8DEF0 | 0.014 |
| Deuteranopia (no green cones) | #D4DAEF | 0.013 |
| Tritanopia (no blue cones) | #C5E2E3 | 0.025 |
| Achromatopsia (no color) | #DCDCDC | 0.030 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #CDDEEF
#CDDEEF
oklch(89.3% 0.03 248.2)
- #E9D9C7
#E9D9C7
oklch(89.3% 0.03 70.7)
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 #CDDEEF, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Gainsboro #DCDCDC ΔE 0.030
- Cadet Gray #CED4DA ΔE 0.032
- Pale Silver #D8E2DC ΔE 0.034
- Platinum #E0E1DD ΔE 0.037
- Powder Blue #B0E0E6 ΔE 0.039
- Light Gray #D3D3D3 ΔE 0.040
- Lavender #E6E6FA ΔE 0.042
- Light Blue #ADD8E6 ΔE 0.046
Use #CDDEEF 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.