#CDD5ED
Closest named color: Cadet Gray (#CED4DA). oklch(87.4% 0.034 271), rgb(205, 213, 237).
Aa
Black text reads best on this color (14.33:1).
About this color
#CDD5ED is a light, muted blue. In OKLCH its lightness is 87%, its chroma 0.034 and its hue 271°. Its hue sits on the cool side of the wheel. The nearest named color is Cadet Gray (#CED4DA), ΔE 0.026 away. Black text reads best on it, at 14.33:1.
| Hue family | Blues |
| Lightness | light (87%) |
| Chroma | muted (0.034) |
| Temperature | cool |
| Nearest name | Cadet Gray (#CED4DA) |
| Black text | 14.33:1 |
| White text | 1.46:1 |
Values
| HEX | #CDD5ED |
| RGB | rgb(205, 213, 237) |
| HSL | hsl(225, 47%, 87%) |
| OKLCH | oklch(87.4% 0.034 271) |
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 #CDD5ED | 1.46:1 | Fails | Lc -25.1 | Dividers and decoration only |
| Black text on #CDD5ED | 14.33:1 | AAA | Lc 81.7 | Fine for body text |
| #CDD5ED text on white | 1.46:1 | Fails | Lc 22.1 | Dividers and decoration only |
| #CDD5ED text on black | 14.33:1 | AAA | Lc -81.2 | 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
#E6EAF3
oklch(93.7% 0.013 266.7)
-
Step 200
200 (this color)
#CDD5ED
oklch(87.4% 0.034 271)
-
Step 300
300
#B6C0DE
oklch(81% 0.044 270.8)
-
Step 400
400
#909FCD
oklch(70.7% 0.07 270.5)
-
Step 500
500
#7586C0
oklch(63% 0.09 271.1)
-
Step 600
600
#5E6FAD
oklch(55.5% 0.099 271.2)
-
Step 700
700
#4E5D94
oklch(49.1% 0.09 271.2)
-
Step 800
800
#404C78
oklch(42.7% 0.075 271.4)
-
Step 900
900
#364061
oklch(37.8% 0.058 270.6)
-
Step 950
950
#202539
oklch(26.9% 0.038 272.9)
#CDD5ED 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) | #CED7EE | 0.005 |
| Deuteranopia (no green cones) | #CCD4EC | 0.003 |
| Tritanopia (no blue cones) | #C6D9DD | 0.030 |
| Achromatopsia (no color) | #D5D5D5 | 0.034 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #CDD5ED
#CDD5ED
oklch(87.4% 0.034 271)
- #DED5BD
#DED5BD
oklch(87.4% 0.034 89.9)
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 #CDD5ED, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Cadet Gray #CED4DA ΔE 0.026
- Light Gray #D3D3D3 ΔE 0.035
- Gainsboro #DCDCDC ΔE 0.040
- Light Blue #ADD8E6 ΔE 0.042
- Light Blue Grey #B7C9E2 ΔE 0.045
- Powder Blue #B0E0E6 ΔE 0.047
- Pale Silver #D8E2DC ΔE 0.050
- Platinum #E0E1DD ΔE 0.052
Use #CDD5ED 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.