#CDD2EF
Closest named color: Cadet Gray (#CED4DA). oklch(86.9% 0.04 277.8), rgb(205, 210, 239).
Aa
Black text reads best on this color (14.06:1).
About this color
#CDD2EF is a light, muted blue. In OKLCH its lightness is 87%, its chroma 0.040 and its hue 278°. Its hue sits on the cool side of the wheel. The nearest named color is Cadet Gray (#CED4DA), ΔE 0.032 away. Black text reads best on it, at 14.06:1.
| Hue family | Blues |
| Lightness | light (87%) |
| Chroma | muted (0.040) |
| Temperature | cool |
| Nearest name | Cadet Gray (#CED4DA) |
| Black text | 14.06:1 |
| White text | 1.49:1 |
Values
| HEX | #CDD2EF |
| RGB | rgb(205, 210, 239) |
| HSL | hsl(231, 52%, 87%) |
| OKLCH | oklch(86.9% 0.04 277.8) |
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 #CDD2EF | 1.49:1 | Fails | Lc -26.3 | Dividers and decoration only |
| Black text on #CDD2EF | 14.06:1 | AAA | Lc 80.6 | Fine for body text |
| #CDD2EF text on white | 1.49:1 | Fails | Lc 23.2 | Dividers and decoration only |
| #CDD2EF text on black | 14.06:1 | AAA | Lc -80.0 | 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
#E7E9F4
oklch(93.6% 0.015 277.8)
-
Step 200
200 (this color)
#CDD2EF
oklch(86.9% 0.04 277.8)
-
Step 300
300
#B8BEE3
oklch(80.9% 0.053 277.9)
-
Step 400
400
#949CD4
oklch(70.7% 0.082 277.8)
-
Step 500
500
#7A83C9
oklch(63.2% 0.106 277.3)
-
Step 600
600
#646BB6
oklch(55.6% 0.116 277.9)
-
Step 700
700
#53599C
oklch(49.1% 0.107 277.8)
-
Step 800
800
#44497F
oklch(42.7% 0.089 277.9)
-
Step 900
900
#393D66
oklch(37.6% 0.07 278.2)
-
Step 950
950
#21243C
oklch(27% 0.045 277.5)
#CDD2EF 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) | #CBD5F0 | 0.008 |
| Deuteranopia (no green cones) | #C9D2EE | 0.006 |
| Tritanopia (no blue cones) | #C6D7DB | 0.036 |
| Achromatopsia (no color) | #D3D3D3 | 0.040 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #CDD2EF
#CDD2EF
oklch(86.9% 0.04 277.8)
- #DBD5B7
#DBD5B7
oklch(87% 0.041 97.8)
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 #CDD2EF, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Cadet Gray #CED4DA ΔE 0.032
- Light Gray #D3D3D3 ΔE 0.040
- Light Blue Grey #B7C9E2 ΔE 0.041
- Light Periwinkle #C1C6FC ΔE 0.045
- Pale Lilac #E4CBFF ΔE 0.046
- Light Blue #ADD8E6 ΔE 0.046
- Gainsboro #DCDCDC ΔE 0.048
- Thistle #D8BFD8 ΔE 0.050
Use #CDD2EF 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.