#C9DDEB
Closest named color: Cadet Gray (#CED4DA). oklch(88.7% 0.029 238.3), rgb(201, 221, 235).
Aa
Black text reads best on this color (15.02:1).
About this color
#C9DDEB is a light close to neutral grey. In OKLCH its lightness is 89%, its chroma 0.029. It has too little chroma to lean warm or cool. The nearest named color is Cadet Gray (#CED4DA), ΔE 0.027 away. Black text reads best on it, at 15.02:1.
| Hue family | Neutrals |
| Lightness | light (89%) |
| Chroma | close to neutral grey (0.029) |
| Temperature | neutral |
| Nearest name | Cadet Gray (#CED4DA) |
| Black text | 15.02:1 |
| White text | 1.39:1 |
Values
| HEX | #C9DDEB |
| RGB | rgb(201, 221, 235) |
| HSL | hsl(205, 46%, 85%) |
| OKLCH | oklch(88.7% 0.029 238.3) |
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 #C9DDEB | 1.39:1 | Fails | Lc -22.0 | Dividers and decoration only |
| Black text on #C9DDEB | 15.02:1 | AAA | Lc 84.4 | Fine for body text |
| #C9DDEB text on white | 1.39:1 | Fails | Lc 19.3 | Dividers and decoration only |
| #C9DDEB text on black | 15.02:1 | AAA | Lc -84.2 | 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
#F2F6F8
oklch(97.1% 0.005 228.8)
-
Step 100
100
#E4EBF0
oklch(93.6% 0.01 238.5)
-
Step 200
200 (this color)
#C9DDEB
oklch(88.7% 0.029 238.3)
-
Step 300
300
#ABC5D6
oklch(80.9% 0.037 236.6)
-
Step 400
400
#7EA6C2
oklch(70.6% 0.06 239.2)
-
Step 500
500
#5C90B2
oklch(63% 0.076 238.3)
-
Step 600
600
#417A9E
oklch(55.6% 0.082 238.4)
-
Step 700
700
#326787
oklch(49.2% 0.076 237.6)
-
Step 800
800
#2A546E
oklch(42.7% 0.064 237.9)
-
Step 900
900
#274559
oklch(37.6% 0.05 239.2)
-
Step 950
950
#172934
oklch(27.1% 0.031 236.4)
#C9DDEB 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) | #D7DCEC | 0.018 |
| Deuteranopia (no green cones) | #D2D8EB | 0.017 |
| Tritanopia (no blue cones) | #C0E1E1 | 0.023 |
| Achromatopsia (no color) | #DADADA | 0.029 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #C9DDEB
#C9DDEB
oklch(88.7% 0.029 238.3)
- #E9D6C8
#E9D6C8
oklch(88.8% 0.028 58.8)
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 #C9DDEB, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Cadet Gray #CED4DA ΔE 0.027
- Gainsboro #DCDCDC ΔE 0.030
- Powder Blue #B0E0E6 ΔE 0.032
- Pale Silver #D8E2DC ΔE 0.034
- Light Gray #D3D3D3 ΔE 0.035
- Platinum #E0E1DD ΔE 0.038
- Light Blue #ADD8E6 ΔE 0.039
- Celeste #A8DADC ΔE 0.047
Use #C9DDEB 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.