#CDDBFA
Closest named color: Cadet Gray (#CED4DA). oklch(89.1% 0.045 266.2), rgb(205, 219, 250).
Aa
Black text reads best on this color (15.10:1).
About this color
#CDDBFA is a light, muted blue. In OKLCH its lightness is 89%, its chroma 0.045 and its hue 266°. Its hue sits on the cool side of the wheel. The nearest named color is Cadet Gray (#CED4DA), ΔE 0.043 away. Black text reads best on it, at 15.10:1.
| Hue family | Blues |
| Lightness | light (89%) |
| Chroma | muted (0.045) |
| Temperature | cool |
| Nearest name | Cadet Gray (#CED4DA) |
| Black text | 15.10:1 |
| White text | 1.38:1 |
Values
| HEX | #CDDBFA |
| RGB | rgb(205, 219, 250) |
| HSL | hsl(221, 82%, 89%) |
| OKLCH | oklch(89.1% 0.045 266.2) |
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 #CDDBFA | 1.38:1 | Fails | Lc -21.6 | Dividers and decoration only |
| Black text on #CDDBFA | 15.10:1 | AAA | Lc 84.7 | Fine for body text |
| #CDDBFA text on white | 1.38:1 | Fails | Lc 18.9 | Dividers and decoration only |
| #CDDBFA text on black | 15.10:1 | AAA | Lc -84.5 | 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
#F3F5FB
oklch(97% 0.008 271.3)
-
Step 100
100
#E5EAF6
oklch(93.7% 0.017 267.8)
-
Step 200
200 (this color)
#CDDBFA
oklch(89.1% 0.045 266.2)
-
Step 300
300
#AFC0E7
oklch(80.8% 0.058 266.6)
-
Step 400
400
#859FDB
oklch(70.6% 0.093 266)
-
Step 500
500
#6886D2
oklch(63.1% 0.12 266.7)
-
Step 600
600
#4F6FBF
oklch(55.6% 0.13 265.9)
-
Step 700
700
#405CA5
oklch(49% 0.122 266.2)
-
Step 800
800
#354C85
oklch(42.7% 0.099 265.8)
-
Step 900
900
#2E406B
oklch(37.8% 0.077 265.7)
-
Step 950
950
#1B253F
oklch(26.9% 0.051 267)
#CDDBFA 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) | #D2DDFC | 0.009 |
| Deuteranopia (no green cones) | #CED9F9 | 0.005 |
| Tritanopia (no blue cones) | #C2E1E5 | 0.041 |
| Achromatopsia (no color) | #DBDBDB | 0.045 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #CDDBFA
#CDDBFA
oklch(89.1% 0.045 266.2)
- #E8DABA
#E8DABA
oklch(89.1% 0.045 87.2)
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 #CDDBFA, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Cadet Gray #CED4DA ΔE 0.043
- Gainsboro #DCDCDC ΔE 0.046
- Lavender #E6E6FA ΔE 0.046
- Powder Blue #B0E0E6 ΔE 0.051
- Light Blue #ADD8E6 ΔE 0.051
- Light Gray #D3D3D3 ΔE 0.051
- Pale Lilac #E4CBFF ΔE 0.052
- Pale Silver #D8E2DC ΔE 0.052
Use #CDDBFA 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.