#A3EAFA
Closest named color: Robin's Egg Blue (#98EFF9). oklch(89.6% 0.074 213.3), rgb(163, 234, 250).
Aa
Black text reads best on this color (15.70:1).
About this color
#A3EAFA is a light, moderately saturated teal or cyan. In OKLCH its lightness is 90%, its chroma 0.074 and its hue 213°. Its hue sits on the cool side of the wheel. The nearest named color is Robin's Egg Blue (#98EFF9), ΔE 0.017 away. Black text reads best on it, at 15.70:1.
| Hue family | Teals and cyans |
| Lightness | light (90%) |
| Chroma | moderately saturated (0.074) |
| Temperature | cool |
| Nearest name | Robin's Egg Blue (#98EFF9) |
| Black text | 15.70:1 |
| White text | 1.33:1 |
Values
| HEX | #A3EAFA |
| RGB | rgb(163, 234, 250) |
| HSL | hsl(191, 90%, 81%) |
| OKLCH | oklch(89.6% 0.074 213.3) |
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 #A3EAFA | 1.33:1 | Fails | Lc -18.9 | Dividers and decoration only |
| Black text on #A3EAFA | 15.70:1 | AAA | Lc 87.1 | Fine for body text |
| #A3EAFA text on white | 1.33:1 | Fails | Lc 16.5 | Dividers and decoration only |
| #A3EAFA text on black | 15.70:1 | AAA | Lc -87.1 | 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
#ECF8FB
oklch(97.1% 0.013 214.4)
-
Step 100
100
#D6EFF5
oklch(93.6% 0.028 213.8)
-
Step 200
200 (this color)
#A3EAFA
oklch(89.6% 0.074 213.3)
-
Step 300
300
#71D1E5
oklch(80.9% 0.095 212.8)
-
Step 400
400
#00B4CF
oklch(70.8% 0.124 213.4)
-
Step 500
500
#009AB1
oklch(63% 0.11 213.1)
-
Step 600
600
#008295
oklch(55.7% 0.097 212.5)
-
Step 700
700
#006D7E
oklch(49.1% 0.086 213.3)
-
Step 800
800
#005967
oklch(42.6% 0.075 213)
-
Step 900
900
#004A57
oklch(37.6% 0.066 214.5)
-
Step 950
950
#002C34
oklch(26.9% 0.047 213.2)
#A3EAFA 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) | #DDE5FB | 0.068 |
| Deuteranopia (no green cones) | #CFDAFA | 0.062 |
| Tritanopia (no blue cones) | #83F1EF | 0.040 |
| Achromatopsia (no color) | #DFDFDF | 0.074 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #A3EAFA
#A3EAFA
oklch(89.6% 0.074 213.3)
- #FFD0C5
#FFD0C5
oklch(89.5% 0.055 33.4)
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 #A3EAFA, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Robin's Egg Blue #98EFF9 ΔE 0.017
- Pale Turquoise #AFEEEE ΔE 0.026
- Robin Egg Blue #8AF1FE ΔE 0.027
- Powder Blue #B0E0E6 ΔE 0.032
- Diamond #B9F2FF ΔE 0.034
- Pale Sky Blue #BDF6FE ΔE 0.045
- Robin's Egg #6DEDFD ΔE 0.045
- Light Blue #ADD8E6 ΔE 0.047
Use #A3EAFA 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.