#A3D7EF
Closest named color: Light Blue (#ADD8E6). oklch(85.1% 0.063 228), rgb(163, 215, 239).
Aa
Black text reads best on this color (13.52:1).
About this color
#A3D7EF is a light, muted teal or cyan. In OKLCH its lightness is 85%, its chroma 0.063 and its hue 228°. Its hue sits on the cool side of the wheel. The nearest named color is Light Blue (#ADD8E6), ΔE 0.017 away. Black text reads best on it, at 13.52:1.
| Hue family | Teals and cyans |
| Lightness | light (85%) |
| Chroma | muted (0.063) |
| Temperature | cool |
| Nearest name | Light Blue (#ADD8E6) |
| Black text | 13.52:1 |
| White text | 1.55:1 |
Values
| HEX | #A3D7EF |
| RGB | rgb(163, 215, 239) |
| HSL | hsl(199, 70%, 79%) |
| OKLCH | oklch(85.1% 0.063 228) |
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 #A3D7EF | 1.55:1 | Fails | Lc -28.7 | Dividers and decoration only |
| Black text on #A3D7EF | 13.52:1 | AAA | Lc 78.4 | Fine for body text |
| #A3D7EF text on white | 1.55:1 | Fails | Lc 25.3 | Dividers and decoration only |
| #A3D7EF text on black | 13.52:1 | AAA | Lc -77.7 | 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)
#A3D7EF
oklch(85.1% 0.063 228)
-
Step 300
300
#87CBEA
oklch(80.8% 0.081 228.4)
-
Step 400
400
#24AFE0
oklch(70.6% 0.13 228.3)
-
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
#006A8B
oklch(49% 0.096 228.3)
-
Step 800
800
#005773
oklch(42.7% 0.084 228.5)
-
Step 900
900
#004960
oklch(37.8% 0.073 227.3)
-
Step 950
950
#002B3B
oklch(27% 0.053 228.8)
#A3D7EF 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) | #CBD5F0 | 0.048 |
| Deuteranopia (no green cones) | #BFCBEF | 0.044 |
| Tritanopia (no blue cones) | #8ADEDE | 0.044 |
| Achromatopsia (no color) | #CFCFCF | 0.063 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #A3D7EF
#A3D7EF
oklch(85.1% 0.063 228)
- #F2C2AB
#F2C2AB
oklch(85.1% 0.064 46.9)
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 #A3D7EF, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Light Blue #ADD8E6 ΔE 0.017
- Celeste #A8DADC ΔE 0.031
- Baby Blue #A2CFFE ΔE 0.035
- Powder Blue #B0E0E6 ΔE 0.035
- Light Blue Grey #B7C9E2 ΔE 0.040
- Sky Blue #87CEEB ΔE 0.041
- Light Sky Blue #87CEFA ΔE 0.045
- Light Steel Blue #B0C4DE ΔE 0.049
Use #A3D7EF 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.