#C9DDDB
Closest named color: Cadet Gray (#CED4DA). oklch(88.2% 0.022 189.5), rgb(201, 221, 219).
Aa
Black text reads best on this color (14.84:1).
About this color
#C9DDDB is a light close to neutral grey. In OKLCH its lightness is 88%, its chroma 0.022. It has too little chroma to lean warm or cool. The nearest named color is Cadet Gray (#CED4DA), ΔE 0.024 away. Black text reads best on it, at 14.84:1.
| Hue family | Neutrals |
| Lightness | light (88%) |
| Chroma | close to neutral grey (0.022) |
| Temperature | neutral |
| Nearest name | Cadet Gray (#CED4DA) |
| Black text | 14.84:1 |
| White text | 1.41:1 |
Values
| HEX | #C9DDDB |
| RGB | rgb(201, 221, 219) |
| HSL | hsl(174, 23%, 83%) |
| OKLCH | oklch(88.2% 0.022 189.5) |
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 #C9DDDB | 1.41:1 | Fails | Lc -22.8 | Dividers and decoration only |
| Black text on #C9DDDB | 14.84:1 | AAA | Lc 83.7 | Fine for body text |
| #C9DDDB text on white | 1.41:1 | Fails | Lc 20.0 | Dividers and decoration only |
| #C9DDDB text on black | 14.84:1 | AAA | Lc -83.4 | 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
#E4ECEB
oklch(93.7% 0.009 188.1)
-
Step 200
200 (this color)
#C9DDDB
oklch(88.2% 0.022 189.5)
-
Step 300
300
#ADC7C4
oklch(80.9% 0.028 188.2)
-
Step 400
400
#81AAA6
oklch(70.7% 0.045 188.8)
-
Step 500
500
#609591
oklch(63.2% 0.057 189.8)
-
Step 600
600
#457F7B
oklch(55.6% 0.061 189.8)
-
Step 700
700
#366B68
oklch(49% 0.057 190.7)
-
Step 800
800
#2D5754
oklch(42.5% 0.047 189.5)
-
Step 900
900
#294846
oklch(37.7% 0.037 190.4)
-
Step 950
950
#192A29
oklch(27% 0.023 191.2)
#C9DDDB 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) | #DBDBDB | 0.024 |
| Deuteranopia (no green cones) | #D6D8DB | 0.020 |
| Tritanopia (no blue cones) | #C4DEDC | 0.006 |
| Achromatopsia (no color) | #D9D9D9 | 0.022 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #C9DDDB
#C9DDDB
oklch(88.2% 0.022 189.5)
- #E6D3D5
#E6D3D5
oklch(88.3% 0.021 10.3)
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 #C9DDDB, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Cadet Gray #CED4DA ΔE 0.024
- Pale Silver #D8E2DC ΔE 0.025
- Gainsboro #DCDCDC ΔE 0.025
- Light Gray #D3D3D3 ΔE 0.026
- Powder Blue #B0E0E6 ΔE 0.031
- Platinum #E0E1DD ΔE 0.033
- Light Blue #ADD8E6 ΔE 0.041
- Celeste #A8DADC ΔE 0.041
Use #C9DDDB 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.