#A3F9FE
Closest named color: Pale Sky Blue (#BDF6FE). oklch(92.9% 0.083 200.5), rgb(163, 249, 254).
Aa
Black text reads best on this color (17.53:1).
About this color
#A3F9FE is a very light, moderately saturated teal or cyan. In OKLCH its lightness is 93%, its chroma 0.083 and its hue 201°. Its hue sits on the cool side of the wheel. The nearest named color is Pale Sky Blue (#BDF6FE), ΔE 0.027 away. Black text reads best on it, at 17.53:1.
| Hue family | Teals and cyans |
| Lightness | very light (93%) |
| Chroma | moderately saturated (0.083) |
| Temperature | cool |
| Nearest name | Pale Sky Blue (#BDF6FE) |
| Black text | 17.53:1 |
| White text | 1.19:1 |
Values
| HEX | #A3F9FE |
| RGB | rgb(163, 249, 254) |
| HSL | hsl(183, 98%, 82%) |
| OKLCH | oklch(92.9% 0.083 200.5) |
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 #A3F9FE | 1.19:1 | Fails | Lc -11.1 | Not readable |
| Black text on #A3F9FE | 17.53:1 | AAA | Lc 94.0 | Preferred for body text |
| #A3F9FE text on white | 1.19:1 | Fails | Lc 9.5 | Not readable |
| #A3F9FE text on black | 17.53:1 | AAA | Lc -94.7 | Preferred 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 100.
-
Step 50
50
#EBF9F9
oklch(97.2% 0.015 196.9)
-
Step 100
100 (this color)
#A3F9FE
oklch(92.9% 0.083 200.5)
-
Step 200
200
#ABE6E9
oklch(88.6% 0.06 200.1)
-
Step 300
300
#5ED5DC
oklch(80.8% 0.107 200.6)
-
Step 400
400
#00B6BF
oklch(70.6% 0.12 201.1)
-
Step 500
500
#009CA3
oklch(63% 0.107 200.4)
-
Step 600
600
#00838A
oklch(55.5% 0.094 201.4)
-
Step 700
700
#006F74
oklch(49.2% 0.084 200.3)
-
Step 800
800
#005B5F
oklch(42.8% 0.073 200)
-
Step 900
900
#004B4F
oklch(37.5% 0.064 200.9)
-
Step 950
950
#002D2F
oklch(27% 0.046 199.4)
#A3F9FE 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) | #EDF2FF | 0.085 |
| Deuteranopia (no green cones) | #DDE5FF | 0.080 |
| Tritanopia (no blue cones) | #7EFFFA | 0.035 |
| Achromatopsia (no color) | #EBEBEB | 0.084 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #A3F9FE
#A3F9FE
oklch(92.9% 0.083 200.5)
- #FFDFDE
#FFDFDE
oklch(93% 0.036 19.9)
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 #A3F9FE, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Pale Sky Blue #BDF6FE ΔE 0.027
- Diamond #B9F2FF ΔE 0.028
- Pale Cyan #B7FFFA ΔE 0.028
- Robin's Egg Blue #98EFF9 ΔE 0.030
- Pale Turquoise #AFEEEE ΔE 0.030
- Robin Egg Blue #8AF1FE ΔE 0.034
- Duck Egg Blue #C3FBF4 ΔE 0.036
- Pale Aqua #B8FFEB ΔE 0.040
Use #A3F9FE 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.