#C3D9DA
Closest named color: Cadet Gray (#CED4DA). oklch(86.9% 0.024 200.1), rgb(195, 217, 218).
Aa
Black text reads best on this color (14.25:1).
About this color
#C3D9DA is a light close to neutral grey. In OKLCH its lightness is 87%, its chroma 0.024. It has too little chroma to lean warm or cool. The nearest named color is Cadet Gray (#CED4DA), ΔE 0.018 away. Black text reads best on it, at 14.25:1.
| Hue family | Neutrals |
| Lightness | light (87%) |
| Chroma | close to neutral grey (0.024) |
| Temperature | neutral |
| Nearest name | Cadet Gray (#CED4DA) |
| Black text | 14.25:1 |
| White text | 1.47:1 |
Values
| HEX | #C3D9DA |
| RGB | rgb(195, 217, 218) |
| HSL | hsl(183, 24%, 81%) |
| OKLCH | oklch(86.9% 0.024 200.1) |
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 #C3D9DA | 1.47:1 | Fails | Lc -25.4 | Dividers and decoration only |
| Black text on #C3D9DA | 14.25:1 | AAA | Lc 81.4 | Fine for body text |
| #C3D9DA text on white | 1.47:1 | Fails | Lc 22.4 | Dividers and decoration only |
| #C3D9DA text on black | 14.25:1 | AAA | Lc -80.9 | 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
#F2F6F6
oklch(97% 0.004 197.1)
-
Step 100
100
#E3ECEC
oklch(93.6% 0.01 197)
-
Step 200
200 (this color)
#C3D9DA
oklch(86.9% 0.024 200.1)
-
Step 300
300
#ABC7C8
oklch(80.9% 0.03 199.2)
-
Step 400
400
#7DAAAC
oklch(70.6% 0.048 199.6)
-
Step 500
500
#5A9598
oklch(63.1% 0.062 199.9)
-
Step 600
600
#3D7F83
oklch(55.5% 0.067 200.7)
-
Step 700
700
#2F6B6F
oklch(49% 0.062 201.2)
-
Step 800
800
#28585A
oklch(42.8% 0.052 199)
-
Step 900
900
#25484A
oklch(37.6% 0.041 200.4)
-
Step 950
950
#172A2B
oklch(26.9% 0.025 200)
#C3D9DA 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) | #D6D7DA | 0.025 |
| Deuteranopia (no green cones) | #D1D3DA | 0.023 |
| Tritanopia (no blue cones) | #BDDBD9 | 0.009 |
| Achromatopsia (no color) | #D5D5D5 | 0.024 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #C3D9DA
#C3D9DA
oklch(86.9% 0.024 200.1)
- #E3CECD
#E3CECD
oklch(86.8% 0.024 20.9)
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 #C3D9DA, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Cadet Gray #CED4DA ΔE 0.018
- Light Gray #D3D3D3 ΔE 0.024
- Powder Blue #B0E0E6 ΔE 0.027
- Light Blue #ADD8E6 ΔE 0.031
- Celeste #A8DADC ΔE 0.032
- Gainsboro #DCDCDC ΔE 0.035
- Pale Silver #D8E2DC ΔE 0.038
- Platinum #E0E1DD ΔE 0.045
Use #C3D9DA 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.