#A3C8DC
Closest named color: Cloudy Blue (#ACC2D9). oklch(81.3% 0.049 231.7), rgb(163, 200, 220).
Aa
Black text reads best on this color (11.85:1).
About this color
#A3C8DC is a light, muted blue. In OKLCH its lightness is 81%, its chroma 0.049 and its hue 232°. Its hue sits on the cool side of the wheel. The nearest named color is Cloudy Blue (#ACC2D9), ΔE 0.018 away. Black text reads best on it, at 11.85:1.
| Hue family | Blues |
| Lightness | light (81%) |
| Chroma | muted (0.049) |
| Temperature | cool |
| Nearest name | Cloudy Blue (#ACC2D9) |
| Black text | 11.85:1 |
| White text | 1.77:1 |
Values
| HEX | #A3C8DC |
| RGB | rgb(163, 200, 220) |
| HSL | hsl(201, 45%, 75%) |
| OKLCH | oklch(81.3% 0.049 231.7) |
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 #A3C8DC | 1.77:1 | Fails | Lc -36.5 | Non-text elements, placeholder text |
| Black text on #A3C8DC | 11.85:1 | AAA | Lc 71.3 | Content text, not long reading |
| #A3C8DC text on white | 1.77:1 | Fails | Lc 32.6 | Non-text elements, placeholder text |
| #A3C8DC text on black | 11.85:1 | AAA | Lc -70.1 | 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
#C8DDE8
oklch(88.5% 0.027 230.4)
-
Step 300
300 (this color)
#A3C8DC
oklch(81.3% 0.049 231.7)
-
Step 400
400
#6DAAC9
oklch(70.8% 0.078 231.5)
-
Step 500
500
#4094BB
oklch(63.1% 0.099 231.5)
-
Step 600
600
#147DA7
oklch(55.5% 0.108 232)
-
Step 700
700
#006A8F
oklch(49.2% 0.1 231.3)
-
Step 800
800
#0A5674
oklch(42.6% 0.083 231.8)
-
Step 900
900
#15475E
oklch(37.6% 0.065 232.4)
-
Step 950
950
#0E2A37
oklch(27% 0.041 231.2)
#A3C8DC 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) | #BEC6DD | 0.034 |
| Deuteranopia (no green cones) | #B6C0DC | 0.030 |
| Tritanopia (no blue cones) | #92CECE | 0.036 |
| Achromatopsia (no color) | #C3C3C3 | 0.049 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #A3C8DC
#A3C8DC
oklch(81.3% 0.049 231.7)
- #DCBAA6
#DCBAA6
oklch(81.3% 0.048 52.2)
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 #A3C8DC, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Cloudy Blue #ACC2D9 ΔE 0.018
- Light Steel Blue #B0C4DE ΔE 0.019
- Light Cornflower Blue #98C1D9 ΔE 0.024
- Light Blue Grey #B7C9E2 ΔE 0.027
- Light Grey Blue #9DBCD4 ΔE 0.033
- Sky Blue #87CEEB ΔE 0.034
- Light Blue #ADD8E6 ΔE 0.045
- Baby Blue #A2CFFE ΔE 0.047
Use #A3C8DC 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.