#CDD9FB
Closest named color: Cadet Gray (#CED4DA). oklch(88.7% 0.049 270), rgb(205, 217, 251).
Aa
Black text reads best on this color (14.91:1).
About this color
#CDD9FB is a light, muted blue. In OKLCH its lightness is 89%, its chroma 0.049 and its hue 270°. Its hue sits on the cool side of the wheel. The nearest named color is Cadet Gray (#CED4DA), ΔE 0.044 away. Black text reads best on it, at 14.91:1.
| Hue family | Blues |
| Lightness | light (89%) |
| Chroma | muted (0.049) |
| Temperature | cool |
| Nearest name | Cadet Gray (#CED4DA) |
| Black text | 14.91:1 |
| White text | 1.40:1 |
Values
| HEX | #CDD9FB |
| RGB | rgb(205, 217, 251) |
| HSL | hsl(224, 85%, 89%) |
| OKLCH | oklch(88.7% 0.049 270) |
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 #CDD9FB | 1.40:1 | Fails | Lc -22.5 | Dividers and decoration only |
| Black text on #CDD9FB | 14.91:1 | AAA | Lc 84.0 | Fine for body text |
| #CDD9FB text on white | 1.40:1 | Fails | Lc 19.7 | Dividers and decoration only |
| #CDD9FB text on black | 14.91:1 | AAA | Lc -83.7 | 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)
#CDD9FB
oklch(88.7% 0.049 270)
-
Step 300
300
#B1BFEA
oklch(80.8% 0.063 270.8)
-
Step 400
400
#889DE0
oklch(70.6% 0.101 270.3)
-
Step 500
500
#6C84D7
oklch(63.2% 0.128 270.2)
-
Step 600
600
#546CC4
oklch(55.6% 0.139 269.9)
-
Step 700
700
#455AA9
oklch(49.2% 0.128 270)
-
Step 800
800
#394A89
oklch(42.8% 0.106 270.1)
-
Step 900
900
#303E6E
oklch(37.7% 0.084 269.8)
-
Step 950
950
#1C2540
oklch(27.1% 0.052 268.8)
#CDD9FB 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) | #CFDBFD | 0.006 |
| Deuteranopia (no green cones) | #CCD8FA | 0.003 |
| Tritanopia (no blue cones) | #C2DFE4 | 0.043 |
| Achromatopsia (no color) | #D9D9D9 | 0.049 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #CDD9FB
#CDD9FB
oklch(88.7% 0.049 270)
- #E6D9B6
#E6D9B6
oklch(88.7% 0.048 90.1)
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 #CDD9FB, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Cadet Gray #CED4DA ΔE 0.044
- Pale Lilac #E4CBFF ΔE 0.047
- Gainsboro #DCDCDC ΔE 0.049
- Lavender #E6E6FA ΔE 0.050
- Pale Lavender #EECFFE ΔE 0.050
- Light Blue #ADD8E6 ΔE 0.052
- Light Gray #D3D3D3 ΔE 0.053
- Powder Blue #B0E0E6 ΔE 0.054
Use #CDD9FB 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.