#A3D8EB
Closest named color: Light Blue (#ADD8E6). oklch(85.2% 0.061 222), rgb(163, 216, 235).
Aa
Black text reads best on this color (13.57:1).
About this color
#A3D8EB is a light, muted teal or cyan. In OKLCH its lightness is 85%, its chroma 0.061 and its hue 222°. Its hue sits on the cool side of the wheel. The nearest named color is Light Blue (#ADD8E6), ΔE 0.013 away. Black text reads best on it, at 13.57:1.
| Hue family | Teals and cyans |
| Lightness | light (85%) |
| Chroma | muted (0.061) |
| Temperature | cool |
| Nearest name | Light Blue (#ADD8E6) |
| Black text | 13.57:1 |
| White text | 1.54:1 |
Values
| HEX | #A3D8EB |
| RGB | rgb(163, 216, 235) |
| HSL | hsl(196, 64%, 78%) |
| OKLCH | oklch(85.2% 0.061 222) |
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 #A3D8EB | 1.54:1 | Fails | Lc -28.4 | Dividers and decoration only |
| Black text on #A3D8EB | 13.57:1 | AAA | Lc 78.6 | Fine for body text |
| #A3D8EB text on white | 1.54:1 | Fails | Lc 25.1 | Dividers and decoration only |
| #A3D8EB text on black | 13.57:1 | AAA | Lc -78.0 | 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
#EEF7FA
oklch(97% 0.01 219.6)
-
Step 100
100
#DAEEF5
oklch(93.6% 0.023 220.7)
-
Step 200
200 (this color)
#A3D8EB
oklch(85.2% 0.061 222)
-
Step 300
300
#87CCE5
oklch(80.8% 0.078 222.8)
-
Step 400
400
#20B1D8
oklch(70.7% 0.125 222.1)
-
Step 500
500
#0098BC
oklch(63% 0.117 222.5)
-
Step 600
600
#00809E
oklch(55.6% 0.103 221.9)
-
Step 700
700
#006C85
oklch(49.2% 0.09 221.2)
-
Step 800
800
#00586E
oklch(42.7% 0.079 222.3)
-
Step 900
900
#00495C
oklch(37.6% 0.07 222.6)
-
Step 950
950
#002C38
oklch(27.2% 0.05 221.4)
#A3D8EB 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) | #CDD5EC | 0.051 |
| Deuteranopia (no green cones) | #C1CCEB | 0.046 |
| Tritanopia (no blue cones) | #8BDEDE | 0.038 |
| Achromatopsia (no color) | #D0D0D0 | 0.061 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #A3D8EB
#A3D8EB
oklch(85.2% 0.061 222)
- #F2C2B0
#F2C2B0
oklch(85.2% 0.061 41.6)
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 #A3D8EB, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Light Blue #ADD8E6 ΔE 0.013
- Celeste #A8DADC ΔE 0.024
- Powder Blue #B0E0E6 ΔE 0.030
- Light Blue Grey #B7C9E2 ΔE 0.042
- Baby Blue #A2CFFE ΔE 0.042
- Sky Blue #87CEEB ΔE 0.043
- Light Sky Blue #87CEFA ΔE 0.050
- Light Steel Blue #B0C4DE ΔE 0.051
Use #A3D8EB 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.