#C6DADB
Closest named color: Cadet Gray (#CED4DA). oklch(87.4% 0.021 200.4), rgb(198, 218, 219).
Aa
Black text reads best on this color (14.45:1).
About this color
#C6DADB is a light close to neutral grey. In OKLCH its lightness is 87%, its chroma 0.021. 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 14.45:1.
| Hue family | Neutrals |
| Lightness | light (87%) |
| Chroma | close to neutral grey (0.021) |
| Temperature | neutral |
| Nearest name | Cadet Gray (#CED4DA) |
| Black text | 14.45:1 |
| White text | 1.45:1 |
Values
| HEX | #C6DADB |
| RGB | rgb(198, 218, 219) |
| HSL | hsl(183, 23%, 82%) |
| OKLCH | oklch(87.4% 0.021 200.4) |
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 #C6DADB | 1.45:1 | Fails | Lc -24.6 | Dividers and decoration only |
| Black text on #C6DADB | 14.45:1 | AAA | Lc 82.1 | Fine for body text |
| #C6DADB text on white | 1.45:1 | Fails | Lc 21.6 | Dividers and decoration only |
| #C6DADB text on black | 14.45:1 | AAA | Lc -81.7 | 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
#F3F6F6
oklch(97.1% 0.003 197.1)
-
Step 100
100
#E4EBEC
oklch(93.5% 0.008 207.1)
-
Step 200
200 (this color)
#C6DADB
oklch(87.4% 0.021 200.4)
-
Step 300
300
#ADC6C8
oklch(80.8% 0.027 202.5)
-
Step 400
400
#80A9AC
oklch(70.6% 0.044 201.8)
-
Step 500
500
#5F9497
oklch(63.1% 0.056 200.4)
-
Step 600
600
#447E82
oklch(55.5% 0.061 201.4)
-
Step 700
700
#356B6E
oklch(49.2% 0.057 200.2)
-
Step 800
800
#2D5759
oklch(42.7% 0.047 199.6)
-
Step 900
900
#294849
oklch(37.8% 0.037 198.4)
-
Step 950
950
#182A2B
oklch(27% 0.024 200.3)
#C6DADB 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) | #D7D8DB | 0.022 |
| Deuteranopia (no green cones) | #D3D5DB | 0.020 |
| Tritanopia (no blue cones) | #C0DCDA | 0.009 |
| Achromatopsia (no color) | #D6D6D6 | 0.022 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #C6DADB
#C6DADB
oklch(87.4% 0.021 200.4)
- #E3D0CF
#E3D0CF
oklch(87.3% 0.021 21.2)
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 #C6DADB, 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 0.023
- Powder Blue #B0E0E6 ΔE 0.029
- Gainsboro #DCDCDC ΔE 0.030
- Pale Silver #D8E2DC ΔE 0.033
- Light Blue #ADD8E6 ΔE 0.034
- Celeste #A8DADC ΔE 0.036
- Platinum #E0E1DD ΔE 0.040
Use #C6DADB 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.