#C6DEE9
Closest named color: Powder Blue (#B0E0E6). oklch(88.6% 0.03 227), rgb(198, 222, 233).
Aa
Black text reads best on this color (15.02:1).
About this color
#C6DEE9 is a light close to neutral grey. In OKLCH its lightness is 89%, its chroma 0.030. It has too little chroma to lean warm or cool. The nearest named color is Powder Blue (#B0E0E6), 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 (0.030) |
| Temperature | neutral |
| Nearest name | Powder Blue (#B0E0E6) |
| Black text | 15.02:1 |
| White text | 1.39:1 |
Values
| HEX | #C6DEE9 |
| RGB | rgb(198, 222, 233) |
| HSL | hsl(199, 44%, 85%) |
| OKLCH | oklch(88.6% 0.03 227) |
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 #C6DEE9 | 1.39:1 | Fails | Lc -22.0 | Dividers and decoration only |
| Black text on #C6DEE9 | 15.02:1 | AAA | Lc 84.4 | Fine for body text |
| #C6DEE9 text on white | 1.39:1 | Fails | Lc 19.3 | Dividers and decoration only |
| #C6DEE9 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
#E3EBF0
oklch(93.5% 0.011 234.8)
-
Step 200
200 (this color)
#C6DEE9
oklch(88.6% 0.03 227)
-
Step 300
300
#A8C6D4
oklch(80.9% 0.038 227.7)
-
Step 400
400
#77A9BE
oklch(70.7% 0.061 226)
-
Step 500
500
#5293AE
oklch(63.1% 0.078 227)
-
Step 600
600
#337D9A
oklch(55.6% 0.085 227.3)
-
Step 700
700
#246983
oklch(49% 0.079 227)
-
Step 800
800
#20566B
oklch(42.7% 0.066 227.2)
-
Step 900
900
#214757
oklch(37.7% 0.051 227.9)
-
Step 950
950
#142A33
oklch(27.1% 0.033 226.5)
#C6DEE9 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) | #D8DDEA | 0.023 |
| Deuteranopia (no green cones) | #D3D8E9 | 0.022 |
| Tritanopia (no blue cones) | #BDE1E1 | 0.020 |
| Achromatopsia (no color) | #DADADA | 0.030 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #C6DEE9
#C6DEE9
oklch(88.6% 0.03 227)
- #EBD4C9
#EBD4C9
oklch(88.6% 0.03 47.3)
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 #C6DEE9, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Powder Blue #B0E0E6 ΔE 0.027
- Cadet Gray #CED4DA ΔE 0.028
- Gainsboro #DCDCDC ΔE 0.031
- Pale Silver #D8E2DC ΔE 0.032
- Light Gray #D3D3D3 ΔE 0.035
- Light Blue #ADD8E6 ΔE 0.036
- Platinum #E0E1DD ΔE 0.039
- Celeste #A8DADC ΔE 0.043
Use #C6DEE9 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.