#A3C8DB
Closest named color: Cloudy Blue (#ACC2D9). oklch(81.2% 0.048 230.4), rgb(163, 200, 219).
Aa
Black text reads best on this color (11.84:1).
About this color
#A3C8DB is a light, muted blue. In OKLCH its lightness is 81%, its chroma 0.048 and its hue 230°. 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 11.84:1.
| Hue family | Blues |
| Lightness | light (81%) |
| Chroma | muted (0.048) |
| Temperature | cool |
| Nearest name | Cloudy Blue (#ACC2D9) |
| Black text | 11.84:1 |
| White text | 1.77:1 |
Values
| HEX | #A3C8DB |
| RGB | rgb(163, 200, 219) |
| HSL | hsl(200, 44%, 75%) |
| OKLCH | oklch(81.2% 0.048 230.4) |
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 #A3C8DB | 1.77:1 | Fails | Lc -36.6 | Non-text elements, placeholder text |
| Black text on #A3C8DB | 11.84:1 | AAA | Lc 71.2 | Content text, not long reading |
| #A3C8DB text on white | 1.77:1 | Fails | Lc 32.6 | Non-text elements, placeholder text |
| #A3C8DB text on black | 11.84:1 | 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
#E1ECF1
oklch(93.6% 0.014 226.6)
-
Step 200
200
#C8DDE8
oklch(88.5% 0.027 230.4)
-
Step 300
300 (this color)
#A3C8DB
oklch(81.2% 0.048 230.4)
-
Step 400
400
#6DAAC7
oklch(70.7% 0.076 229.7)
-
Step 500
500
#4194B9
oklch(63.1% 0.097 230.3)
-
Step 600
600
#157EA5
oklch(55.6% 0.105 230)
-
Step 700
700
#006A8E
oklch(49.1% 0.099 230.6)
-
Step 800
800
#0A5673
oklch(42.6% 0.082 230.9)
-
Step 900
900
#15475D
oklch(37.6% 0.064 231.2)
-
Step 950
950
#0F2A36
oklch(27% 0.04 229.8)
#A3C8DB 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) | #BFC6DC | 0.035 |
| Deuteranopia (no green cones) | #B6C0DB | 0.030 |
| Tritanopia (no blue cones) | #92CDCE | 0.033 |
| Achromatopsia (no color) | #C2C2C2 | 0.048 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #A3C8DB
#A3C8DB
oklch(81.2% 0.048 230.4)
- #DCB9A7
#DCB9A7
oklch(81.1% 0.048 48.8)
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 #A3C8DB, 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 0.020
- Light Cornflower Blue #98C1D9 ΔE 0.024
- Light Blue Grey #B7C9E2 ΔE 0.028
- Light Grey Blue #9DBCD4 ΔE 0.033
- Sky Blue #87CEEB ΔE 0.035
- Light Blue #ADD8E6 ΔE 0.045
- Silver #C0C0C0 ΔE 0.048
Use #A3C8DB 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.