#A3E0EA
Closest named color: Powder Blue (#B0E0E6). oklch(86.9% 0.063 208.7), rgb(163, 224, 234).
Aa
Black text reads best on this color (14.40:1).
About this color
#A3E0EA is a light, muted teal or cyan. In OKLCH its lightness is 87%, its chroma 0.063 and its hue 209°. Its hue sits on the cool side of the wheel. The nearest named color is Powder Blue (#B0E0E6), ΔE 0.015 away. Black text reads best on it, at 14.40:1.
| Hue family | Teals and cyans |
| Lightness | light (87%) |
| Chroma | muted (0.063) |
| Temperature | cool |
| Nearest name | Powder Blue (#B0E0E6) |
| Black text | 14.40:1 |
| White text | 1.45:1 |
Values
| HEX | #A3E0EA |
| RGB | rgb(163, 224, 234) |
| HSL | hsl(188, 63%, 78%) |
| OKLCH | oklch(86.9% 0.063 208.7) |
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 #A3E0EA | 1.45:1 | Fails | Lc -24.7 | Dividers and decoration only |
| Black text on #A3E0EA | 14.40:1 | AAA | Lc 82.0 | Fine for body text |
| #A3E0EA text on white | 1.45:1 | Fails | Lc 21.7 | Dividers and decoration only |
| #A3E0EA text on black | 14.40:1 | AAA | Lc -81.6 | 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
#EEF8F9
oklch(97.2% 0.011 204.1)
-
Step 100
100
#D9EFF2
oklch(93.7% 0.024 206.6)
-
Step 200
200 (this color)
#A3E0EA
oklch(86.9% 0.063 208.7)
-
Step 300
300
#7FD0DD
oklch(81% 0.081 208.7)
-
Step 400
400
#00B5C9
oklch(70.8% 0.122 208.7)
-
Step 500
500
#009BAC
oklch(63.1% 0.109 208.4)
-
Step 600
600
#008291
oklch(55.5% 0.096 208.9)
-
Step 700
700
#006E7A
oklch(49.2% 0.085 207.9)
-
Step 800
800
#005A64
oklch(42.8% 0.073 207.9)
-
Step 900
900
#004B54
oklch(37.8% 0.065 208.5)
-
Step 950
950
#002C32
oklch(26.8% 0.046 208.8)
#A3E0EA 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) | #D6DBEB | 0.062 |
| Deuteranopia (no green cones) | #CAD2EA | 0.056 |
| Tritanopia (no blue cones) | #8AE5E3 | 0.031 |
| Achromatopsia (no color) | #D6D6D6 | 0.064 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #A3E0EA
#A3E0EA
oklch(86.9% 0.063 208.7)
- #FBC5BC
#FBC5BC
oklch(86.9% 0.063 29.3)
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 #A3E0EA, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Powder Blue #B0E0E6 ΔE 0.015
- Celeste #A8DADC ΔE 0.021
- Light Blue #ADD8E6 ΔE 0.022
- Robin's Egg Blue #98EFF9 ΔE 0.039
- Pale Turquoise #AFEEEE ΔE 0.041
- Robin Egg Blue #8AF1FE ΔE 0.047
- Robin's Egg #6DEDFD ΔE 0.053
- Cadet Gray #CED4DA ΔE 0.055
Use #A3E0EA 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.