#CDDDEE
Closest named color: Gainsboro (#DCDCDC). oklch(89.1% 0.029 249.8), rgb(205, 221, 238).
Aa
Black text reads best on this color (15.17:1).
About this color
#CDDDEE is a light close to neutral grey. In OKLCH its lightness is 89%, 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 15.17:1.
| Hue family | Neutrals |
| Lightness | light (89%) |
| Chroma | close to neutral grey (0.029) |
| Temperature | neutral |
| Nearest name | Gainsboro (#DCDCDC) |
| Black text | 15.17:1 |
| White text | 1.38:1 |
Values
| HEX | #CDDDEE |
| RGB | rgb(205, 221, 238) |
| HSL | hsl(211, 49%, 87%) |
| OKLCH | oklch(89.1% 0.029 249.8) |
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 #CDDDEE | 1.38:1 | Fails | Lc -21.4 | Dividers and decoration only |
| Black text on #CDDDEE | 15.17:1 | AAA | Lc 85.0 | Fine for body text |
| #CDDDEE text on white | 1.38:1 | Fails | Lc 18.7 | Dividers and decoration only |
| #CDDDEE text on black | 15.17:1 | AAA | Lc -84.8 | 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
#E5EBF1
oklch(93.7% 0.01 247.9)
-
Step 200
200 (this color)
#CDDDEE
oklch(89.1% 0.029 249.8)
-
Step 300
300
#AFC3D8
oklch(80.9% 0.037 249.6)
-
Step 400
400
#84A4C5
oklch(70.7% 0.06 249.5)
-
Step 500
500
#658DB6
oklch(63% 0.076 249.7)
-
Step 600
600
#4C77A2
oklch(55.6% 0.083 249.5)
-
Step 700
700
#3D648B
oklch(49.2% 0.077 249.6)
-
Step 800
800
#335171
oklch(42.6% 0.064 251)
-
Step 900
900
#2D445B
oklch(37.8% 0.049 249.2)
-
Step 950
950
#1A2835
oklch(27% 0.031 247.2)
#CDDDEE 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) | #D7DDEF | 0.013 |
| Deuteranopia (no green cones) | #D3DAEE | 0.010 |
| Tritanopia (no blue cones) | #C5E1E2 | 0.025 |
| Achromatopsia (no color) | #DBDBDB | 0.029 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #CDDDEE
#CDDDEE
oklch(89.1% 0.029 249.8)
- #E8D8C7
#E8D8C7
oklch(89.1% 0.029 69.1)
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 #CDDDEE, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Gainsboro #DCDCDC ΔE 0.029
- Cadet Gray #CED4DA ΔE 0.030
- Pale Silver #D8E2DC ΔE 0.034
- Platinum #E0E1DD ΔE 0.037
- Light Gray #D3D3D3 ΔE 0.038
- Powder Blue #B0E0E6 ΔE 0.039
- Lavender #E6E6FA ΔE 0.044
- Light Blue #ADD8E6 ΔE 0.044
Use #CDDDEE 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.