#A3D4E4
Closest named color: Light Blue (#ADD8E6). oklch(84.1% 0.056 219.9), rgb(163, 212, 228).
Aa
Black text reads best on this color (13.09:1).
About this color
#A3D4E4 is a light, muted teal or cyan. In OKLCH its lightness is 84%, its chroma 0.056 and its hue 220°. 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 13.09:1.
| Hue family | Teals and cyans |
| Lightness | light (84%) |
| Chroma | muted (0.056) |
| Temperature | cool |
| Nearest name | Light Blue (#ADD8E6) |
| Black text | 13.09:1 |
| White text | 1.60:1 |
Values
| HEX | #A3D4E4 |
| RGB | rgb(163, 212, 228) |
| HSL | hsl(195, 55%, 77%) |
| OKLCH | oklch(84.1% 0.056 219.9) |
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 #A3D4E4 | 1.60:1 | Fails | Lc -30.7 | Non-text elements, placeholder text |
| Black text on #A3D4E4 | 13.09:1 | AAA | Lc 76.6 | Fine for body text |
| #A3D4E4 text on white | 1.60:1 | Fails | Lc 27.2 | Dividers and decoration only |
| #A3D4E4 text on black | 13.09:1 | AAA | Lc -75.8 | 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 300.
-
Step 50
50
#F0F7F9
oklch(97.1% 0.008 216.6)
-
Step 100
100
#DFEDF1
oklch(93.7% 0.016 216.7)
-
Step 200
200
#C4DEE7
oklch(88.4% 0.03 220.6)
-
Step 300
300 (this color)
#A3D4E4
oklch(84.1% 0.056 219.9)
-
Step 400
400
#5AAEC7
oklch(70.8% 0.089 219.7)
-
Step 500
500
#0899B9
oklch(63.2% 0.114 219.9)
-
Step 600
600
#00809C
oklch(55.5% 0.101 220.3)
-
Step 700
700
#006C83
oklch(49.1% 0.089 219.3)
-
Step 800
800
#00586C
oklch(42.6% 0.078 220.2)
-
Step 900
900
#004A5B
oklch(37.8% 0.069 219.8)
-
Step 950
950
#032C36
oklch(27.2% 0.047 218.5)
#A3D4E4 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) | #CAD1E5 | 0.048 |
| Deuteranopia (no green cones) | #C0C9E4 | 0.044 |
| Tritanopia (no blue cones) | #8EDAD9 | 0.034 |
| Achromatopsia (no color) | #CCCCCC | 0.056 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #A3D4E4
#A3D4E4
oklch(84.1% 0.056 219.9)
- #ECBFB0
#ECBFB0
oklch(84% 0.056 39.3)
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 #A3D4E4, 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 0.024
- Light Blue Grey #B7C9E2 ΔE 0.035
- Powder Blue #B0E0E6 ΔE 0.037
- Sky Blue #87CEEB ΔE 0.038
- Light Steel Blue #B0C4DE ΔE 0.042
- Baby Blue #A2CFFE ΔE 0.044
- Cloudy Blue #ACC2D9 ΔE 0.046
Use #A3D4E4 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.