#C9D2EF
Closest named color: Cadet Gray (#CED4DA). oklch(86.6% 0.041 271.9), rgb(201, 210, 239).
Aa
Black text reads best on this color (13.94:1).
About this color
#C9D2EF is a light, muted blue. In OKLCH its lightness is 87%, its chroma 0.041 and its hue 272°. 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 13.94:1.
| Hue family | Blues |
| Lightness | light (87%) |
| Chroma | muted (0.041) |
| Temperature | cool |
| Nearest name | Cadet Gray (#CED4DA) |
| Black text | 13.94:1 |
| White text | 1.50:1 |
Values
| HEX | #C9D2EF |
| RGB | rgb(201, 210, 239) |
| HSL | hsl(226, 54%, 86%) |
| OKLCH | oklch(86.6% 0.041 271.9) |
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 #C9D2EF | 1.50:1 | Fails | Lc -26.8 | Dividers and decoration only |
| Black text on #C9D2EF | 13.94:1 | AAA | Lc 80.1 | Fine for body text |
| #C9D2EF text on white | 1.50:1 | Fails | Lc 23.6 | Dividers and decoration only |
| #C9D2EF text on black | 13.94:1 | AAA | Lc -79.5 | 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
#F4F5FA
oklch(97.1% 0.007 277.2)
-
Step 100
100
#E6E9F5
oklch(93.5% 0.016 274.8)
-
Step 200
200 (this color)
#C9D2EF
oklch(86.6% 0.041 271.9)
-
Step 300
300
#B4BFE4
oklch(80.8% 0.054 272.1)
-
Step 400
400
#8E9ED6
oklch(70.8% 0.084 271.8)
-
Step 500
500
#7285CB
oklch(63.1% 0.108 271.5)
-
Step 600
600
#5B6DB8
oklch(55.5% 0.118 271.9)
-
Step 700
700
#4B5B9F
oklch(49.1% 0.11 271.8)
-
Step 800
800
#3E4B81
oklch(42.8% 0.091 271.9)
-
Step 900
900
#343F67
oklch(37.8% 0.07 271.1)
-
Step 950
950
#1F253C
oklch(27% 0.044 272.1)
#C9D2EF 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) | #CAD4F0 | 0.005 |
| Deuteranopia (no green cones) | #C7D1EE | 0.004 |
| Tritanopia (no blue cones) | #C0D7DB | 0.037 |
| Achromatopsia (no color) | #D2D2D2 | 0.041 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #C9D2EF
#C9D2EF
oklch(86.6% 0.041 271.9)
- #DDD3B5
#DDD3B5
oklch(86.7% 0.042 91.7)
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 #C9D2EF, 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 Blue Grey #B7C9E2 ΔE 0.037
- Light Gray #D3D3D3 ΔE 0.041
- Light Blue #ADD8E6 ΔE 0.041
- Light Periwinkle #C1C6FC ΔE 0.043
- Pale Lilac #E4CBFF ΔE 0.049
- Gainsboro #DCDCDC ΔE 0.050
- Thistle #D8BFD8 ΔE 0.051
Use #C9D2EF 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.