#A3C6DC
Closest named color: Cloudy Blue (#ACC2D9). oklch(80.8% 0.049 235.8), rgb(163, 198, 220).
Aa
Black text reads best on this color (11.66:1).
About this color
#A3C6DC is a light, muted blue. In OKLCH its lightness is 81%, its chroma 0.049 and its hue 236°. Its hue sits on the cool side of the wheel. The nearest named color is Cloudy Blue (#ACC2D9), ΔE 0.014 away. Black text reads best on it, at 11.66:1.
| Hue family | Blues |
| Lightness | light (81%) |
| Chroma | muted (0.049) |
| Temperature | cool |
| Nearest name | Cloudy Blue (#ACC2D9) |
| Black text | 11.66:1 |
| White text | 1.79:1 |
Values
| HEX | #A3C6DC |
| RGB | rgb(163, 198, 220) |
| HSL | hsl(203, 45%, 75%) |
| OKLCH | oklch(80.8% 0.049 235.8) |
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 #A3C6DC | 1.79:1 | Fails | Lc -37.4 | Non-text elements, placeholder text |
| Black text on #A3C6DC | 11.66:1 | AAA | Lc 70.5 | Content text, not long reading |
| #A3C6DC text on white | 1.79:1 | Fails | Lc 33.4 | Non-text elements, placeholder text |
| #A3C6DC text on black | 11.66:1 | AAA | Lc -69.2 | Content text, not long reading |
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 300.
-
Step 50
50
#F1F6F9
oklch(97% 0.007 233.6)
-
Step 100
100
#E1ECF2
oklch(93.7% 0.014 231.2)
-
Step 200
200
#C9DCE9
oklch(88.4% 0.027 237.6)
-
Step 300
300 (this color)
#A3C6DC
oklch(80.8% 0.049 235.8)
-
Step 400
400
#70A9CB
oklch(70.8% 0.078 235.6)
-
Step 500
500
#4592BD
oklch(62.9% 0.1 235.9)
-
Step 600
600
#1F7CAA
oklch(55.6% 0.109 236)
-
Step 700
700
#0E6892
oklch(49% 0.101 236.3)
-
Step 800
800
#125576
oklch(42.6% 0.083 235.9)
-
Step 900
900
#19475F
oklch(37.8% 0.064 235)
-
Step 950
950
#102938
oklch(26.9% 0.042 237.4)
#A3C6DC 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) | #BCC5DD | 0.032 |
| Deuteranopia (no green cones) | #B4BEDC | 0.029 |
| Tritanopia (no blue cones) | #92CCCD | 0.037 |
| Achromatopsia (no color) | #C1C1C1 | 0.049 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #A3C6DC
#A3C6DC
oklch(80.8% 0.049 235.8)
- #DAB9A3
#DAB9A3
oklch(80.9% 0.049 55.6)
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 #A3C6DC, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Cloudy Blue #ACC2D9 ΔE 0.014
- Light Steel Blue #B0C4DE ΔE 0.017
- Light Cornflower Blue #98C1D9 ΔE 0.020
- Light Grey Blue #9DBCD4 ΔE 0.028
- Light Blue Grey #B7C9E2 ΔE 0.028
- Sky Blue #87CEEB ΔE 0.036
- Light Sky Blue #87CEFA ΔE 0.047
- Baby Blue #A2CFFE ΔE 0.048
Use #A3C6DC 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.