#A3E4DA
Closest named color: Powder Blue (#B0E0E6). oklch(87.2% 0.067 184.2), rgb(163, 228, 218).
Aa
Black text reads best on this color (14.66:1).
About this color
#A3E4DA is a light, muted teal or cyan. In OKLCH its lightness is 87%, its chroma 0.067 and its hue 184°. Its hue sits on the cool side of the wheel. The nearest named color is Powder Blue (#B0E0E6), ΔE 0.028 away. Black text reads best on it, at 14.66:1.
| Hue family | Teals and cyans |
| Lightness | light (87%) |
| Chroma | muted (0.067) |
| Temperature | cool |
| Nearest name | Powder Blue (#B0E0E6) |
| Black text | 14.66:1 |
| White text | 1.43:1 |
Values
| HEX | #A3E4DA |
| RGB | rgb(163, 228, 218) |
| HSL | hsl(171, 55%, 77%) |
| OKLCH | oklch(87.2% 0.067 184.2) |
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 #A3E4DA | 1.43:1 | Fails | Lc -23.5 | Dividers and decoration only |
| Black text on #A3E4DA | 14.66:1 | AAA | Lc 83.1 | Fine for body text |
| #A3E4DA text on white | 1.43:1 | Fails | Lc 20.7 | Dividers and decoration only |
| #A3E4DA text on black | 14.66:1 | AAA | Lc -82.7 | 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
#EDF8F6
oklch(97% 0.012 184.1)
-
Step 100
100
#D9F0EC
oklch(93.7% 0.025 184.2)
-
Step 200
200 (this color)
#A3E4DA
oklch(87.2% 0.067 184.2)
-
Step 300
300
#7DD3C7
oklch(80.9% 0.086 184.3)
-
Step 400
400
#00B9AA
oklch(70.6% 0.125 184.7)
-
Step 500
500
#009F91
oklch(63.1% 0.112 184)
-
Step 600
600
#00867A
oklch(55.7% 0.099 183.9)
-
Step 700
700
#007066
oklch(49% 0.087 184.2)
-
Step 800
800
#005C54
oklch(42.7% 0.075 184.7)
-
Step 900
900
#004D46
oklch(37.8% 0.067 184.5)
-
Step 950
950
#002E29
oklch(27.1% 0.048 183.6)
#A3E4DA 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) | #DEDDDA | 0.072 |
| Deuteranopia (no green cones) | #D2D4DB | 0.068 |
| Tritanopia (no blue cones) | #8FE7E1 | 0.020 |
| Achromatopsia (no color) | #D8D8D8 | 0.068 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #A3E4DA
#A3E4DA
oklch(87.2% 0.067 184.2)
- #FCC3D0
#FCC3D0
oklch(87.2% 0.067 3.4)
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 #A3E4DA, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Powder Blue #B0E0E6 ΔE 0.028
- Celeste #A8DADC ΔE 0.028
- Pale Turquoise #AFEEEE ΔE 0.037
- Light Teal #90E4C1 ΔE 0.042
- Light Blue #ADD8E6 ΔE 0.042
- Robin's Egg Blue #98EFF9 ΔE 0.043
- Robin Egg Blue #8AF1FE ΔE 0.052
- Tiffany Blue #94D2BD ΔE 0.059
Use #A3E4DA 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.