#CDD1EC
Closest named color: Cadet Gray (#CED4DA). oklch(86.6% 0.038 278.9), rgb(205, 209, 236).
Aa
Black text reads best on this color (13.92:1).
About this color
#CDD1EC is a light, muted blue. In OKLCH its lightness is 87%, its chroma 0.038 and its hue 279°. Its hue sits on the cool side of the wheel. The nearest named color is Cadet Gray (#CED4DA), ΔE 0.029 away. Black text reads best on it, at 13.92:1.
| Hue family | Blues |
| Lightness | light (87%) |
| Chroma | muted (0.038) |
| Temperature | cool |
| Nearest name | Cadet Gray (#CED4DA) |
| Black text | 13.92:1 |
| White text | 1.50:1 |
Values
| HEX | #CDD1EC |
| RGB | rgb(205, 209, 236) |
| HSL | hsl(232, 45%, 86%) |
| OKLCH | oklch(86.6% 0.038 278.9) |
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 #CDD1EC | 1.50:1 | Fails | Lc -26.9 | Dividers and decoration only |
| Black text on #CDD1EC | 13.92:1 | AAA | Lc 80.0 | Fine for body text |
| #CDD1EC text on white | 1.50:1 | Fails | Lc 23.7 | Dividers and decoration only |
| #CDD1EC text on black | 13.92:1 | AAA | Lc -79.5 | 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
#F4F5FA
oklch(97.1% 0.007 277.2)
-
Step 100
100
#E7E9F3
oklch(93.5% 0.014 277.1)
-
Step 200
200 (this color)
#CDD1EC
oklch(86.6% 0.038 278.9)
-
Step 300
300
#B9BEE0
oklch(80.9% 0.048 278.7)
-
Step 400
400
#969CD1
oklch(70.7% 0.078 279.2)
-
Step 500
500
#7C83C4
oklch(63.1% 0.098 278.5)
-
Step 600
600
#666CB1
oklch(55.7% 0.107 278.6)
-
Step 700
700
#555998
oklch(49% 0.1 279.3)
-
Step 800
800
#45497B
oklch(42.6% 0.083 278.8)
-
Step 900
900
#3A3E63
oklch(37.8% 0.063 278.2)
-
Step 950
950
#22243A
oklch(26.9% 0.041 279.3)
#CDD1EC 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) | #CAD3ED | 0.006 |
| Deuteranopia (no green cones) | #C9D1EB | 0.006 |
| Tritanopia (no blue cones) | #C6D6DA | 0.034 |
| Achromatopsia (no color) | #D2D2D2 | 0.038 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #CDD1EC
#CDD1EC
oklch(86.6% 0.038 278.9)
- #D9D4B8
#D9D4B8
oklch(86.7% 0.038 98.8)
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 #CDD1EC, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Cadet Gray #CED4DA ΔE 0.029
- Light Gray #D3D3D3 ΔE 0.038
- Light Blue Grey #B7C9E2 ΔE 0.039
- Light Blue #ADD8E6 ΔE 0.045
- Light Periwinkle #C1C6FC ΔE 0.046
- Thistle #D8BFD8 ΔE 0.046
- Gainsboro #DCDCDC ΔE 0.047
- Pale Lilac #E4CBFF ΔE 0.048
Use #CDD1EC 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.