#A3D6EE
Closest named color: Light Blue (#ADD8E6). oklch(84.9% 0.062 228.5), rgb(163, 214, 238).
Aa
Black text reads best on this color (13.41:1).
About this color
#A3D6EE is a light, muted teal or cyan. In OKLCH its lightness is 85%, its chroma 0.062 and its hue 228°. Its hue sits on the cool side of the wheel. The nearest named color is Light Blue (#ADD8E6), ΔE 0.018 away. Black text reads best on it, at 13.41:1.
| Hue family | Teals and cyans |
| Lightness | light (85%) |
| Chroma | muted (0.062) |
| Temperature | cool |
| Nearest name | Light Blue (#ADD8E6) |
| Black text | 13.41:1 |
| White text | 1.56:1 |
Values
| HEX | #A3D6EE |
| RGB | rgb(163, 214, 238) |
| HSL | hsl(199, 69%, 79%) |
| OKLCH | oklch(84.9% 0.062 228.5) |
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 #A3D6EE | 1.56:1 | Fails | Lc -29.2 | Dividers and decoration only |
| Black text on #A3D6EE | 13.41:1 | AAA | Lc 77.9 | Fine for body text |
| #A3D6EE text on white | 1.56:1 | Fails | Lc 25.8 | Dividers and decoration only |
| #A3D6EE text on black | 13.41:1 | AAA | Lc -77.2 | 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
#EEF7FB
oklch(97.1% 0.011 226)
-
Step 100
100
#DBEDF6
oklch(93.5% 0.023 229.1)
-
Step 200
200 (this color)
#A3D6EE
oklch(84.9% 0.062 228.5)
-
Step 300
300
#88CBEA
oklch(80.8% 0.081 228.8)
-
Step 400
400
#2AAFE0
oklch(70.7% 0.129 228.8)
-
Step 500
500
#0097C4
oklch(63.2% 0.123 228.1)
-
Step 600
600
#007FA5
oklch(55.7% 0.108 227.8)
-
Step 700
700
#006A8C
oklch(49% 0.097 229.1)
-
Step 800
800
#005773
oklch(42.7% 0.084 228.5)
-
Step 900
900
#004860
oklch(37.5% 0.074 228.7)
-
Step 950
950
#002B3B
oklch(27% 0.053 228.8)
#A3D6EE 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) | #CAD4EF | 0.047 |
| Deuteranopia (no green cones) | #BFCBEE | 0.042 |
| Tritanopia (no blue cones) | #8ADDDD | 0.044 |
| Achromatopsia (no color) | #CECECE | 0.063 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #A3D6EE
#A3D6EE
oklch(84.9% 0.062 228.5)
- #F0C2AA
#F0C2AA
oklch(84.8% 0.062 49)
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 #A3D6EE, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Light Blue #ADD8E6 ΔE 0.018
- Celeste #A8DADC ΔE 0.031
- Baby Blue #A2CFFE ΔE 0.034
- Powder Blue #B0E0E6 ΔE 0.037
- Light Blue Grey #B7C9E2 ΔE 0.038
- Sky Blue #87CEEB ΔE 0.039
- Light Sky Blue #87CEFA ΔE 0.044
- Light Steel Blue #B0C4DE ΔE 0.047
Use #A3D6EE 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.