#CDD3ED
Closest named color: Cadet Gray (#CED4DA). oklch(87% 0.036 275.3), rgb(205, 211, 237).
Aa
Black text reads best on this color (14.13:1).
About this color
#CDD3ED is a light, muted blue. In OKLCH its lightness is 87%, its chroma 0.036 and its hue 275°. Its hue sits on the cool side of the wheel. The nearest named color is Cadet Gray (#CED4DA), ΔE 0.028 away. Black text reads best on it, at 14.13:1.
| Hue family | Blues |
| Lightness | light (87%) |
| Chroma | muted (0.036) |
| Temperature | cool |
| Nearest name | Cadet Gray (#CED4DA) |
| Black text | 14.13:1 |
| White text | 1.48:1 |
Values
| HEX | #CDD3ED |
| RGB | rgb(205, 211, 237) |
| HSL | hsl(229, 47%, 87%) |
| OKLCH | oklch(87% 0.036 275.3) |
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 #CDD3ED | 1.48:1 | Fails | Lc -26.0 | Dividers and decoration only |
| Black text on #CDD3ED | 14.13:1 | AAA | Lc 80.9 | Fine for body text |
| #CDD3ED text on white | 1.48:1 | Fails | Lc 22.9 | Dividers and decoration only |
| #CDD3ED text on black | 14.13:1 | AAA | Lc -80.4 | 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)
#CDD3ED
oklch(87% 0.036 275.3)
-
Step 300
300
#B7BFE0
oklch(80.9% 0.047 274.6)
-
Step 400
400
#939DD0
oklch(70.7% 0.076 275.7)
-
Step 500
500
#7984C3
oklch(63% 0.096 275.7)
-
Step 600
600
#626DB0
oklch(55.5% 0.105 275.4)
-
Step 700
700
#515B97
oklch(49.1% 0.097 275.1)
-
Step 800
800
#434B7B
oklch(42.8% 0.08 275.3)
-
Step 900
900
#383F63
oklch(37.8% 0.062 274.7)
-
Step 950
950
#21253A
oklch(27.1% 0.04 275.2)
#CDD3ED 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) | #CCD5EE | 0.005 |
| Deuteranopia (no green cones) | #CAD3EC | 0.004 |
| Tritanopia (no blue cones) | #C6D8DB | 0.034 |
| Achromatopsia (no color) | #D4D4D4 | 0.036 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #CDD3ED
#CDD3ED
oklch(87% 0.036 275.3)
- #DBD5BA
#DBD5BA
oklch(87.1% 0.037 96.7)
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 #CDD3ED, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Cadet Gray #CED4DA ΔE 0.028
- Light Gray #D3D3D3 ΔE 0.037
- Light Blue Grey #B7C9E2 ΔE 0.042
- Light Blue #ADD8E6 ΔE 0.044
- Gainsboro #DCDCDC ΔE 0.044
- Pale Lilac #E4CBFF ΔE 0.049
- Light Periwinkle #C1C6FC ΔE 0.049
- Powder Blue #B0E0E6 ΔE 0.051
Use #CDD3ED 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.