#A3F9FC
Closest named color: Pale Cyan (#B7FFFA). oklch(92.9% 0.083 198.6), rgb(163, 249, 252).
Aa
Black text reads best on this color (17.51:1).
About this color
#A3F9FC is a very light, moderately saturated teal or cyan. In OKLCH its lightness is 93%, its chroma 0.083 and its hue 199°. Its hue sits on the cool side of the wheel. The nearest named color is Pale Cyan (#B7FFFA), ΔE 0.028 away. Black text reads best on it, at 17.51:1.
| Hue family | Teals and cyans |
| Lightness | very light (93%) |
| Chroma | moderately saturated (0.083) |
| Temperature | cool |
| Nearest name | Pale Cyan (#B7FFFA) |
| Black text | 17.51:1 |
| White text | 1.19:1 |
Values
| HEX | #A3F9FC |
| RGB | rgb(163, 249, 252) |
| HSL | hsl(182, 94%, 81%) |
| OKLCH | oklch(92.9% 0.083 198.6) |
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 #A3F9FC | 1.19:1 | Fails | Lc -11.2 | Not readable |
| Black text on #A3F9FC | 17.51:1 | AAA | Lc 93.9 | Preferred for body text |
| #A3F9FC text on white | 1.19:1 | Fails | Lc 9.6 | Not readable |
| #A3F9FC text on black | 17.51:1 | AAA | Lc -94.6 | 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)
#A3F9FC
oklch(92.9% 0.083 198.6)
-
Step 200
200
#ABE6E8
oklch(88.6% 0.06 198.7)
-
Step 300
300
#5ED6DA
oklch(81% 0.107 198.3)
-
Step 400
400
#00B7BC
oklch(70.8% 0.12 198.3)
-
Step 500
500
#009DA1
oklch(63.2% 0.107 198)
-
Step 600
600
#008488
oklch(55.7% 0.095 198.5)
-
Step 700
700
#006F72
oklch(49.2% 0.084 198.1)
-
Step 800
800
#005B5E
oklch(42.8% 0.073 198.7)
-
Step 900
900
#004C4E
oklch(37.8% 0.064 197.8)
-
Step 950
950
#002D2F
oklch(27% 0.046 199.4)
#A3F9FC 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) | #EEF1FC | 0.086 |
| Deuteranopia (no green cones) | #DEE5FD | 0.081 |
| Tritanopia (no blue cones) | #7FFFFA | 0.034 |
| Achromatopsia (no color) | #EAEAEA | 0.083 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #A3F9FC
#A3F9FC
oklch(92.9% 0.083 198.6)
- #FFDEDE
#FFDEDE
oklch(92.8% 0.037 17.8)
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 #A3F9FC, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Pale Cyan #B7FFFA ΔE 0.028
- Pale Sky Blue #BDF6FE ΔE 0.028
- Diamond #B9F2FF ΔE 0.029
- Pale Turquoise #AFEEEE ΔE 0.030
- Robin's Egg Blue #98EFF9 ΔE 0.030
- Robin Egg Blue #8AF1FE ΔE 0.034
- Duck Egg Blue #C3FBF4 ΔE 0.035
- Pale Aqua #B8FFEB ΔE 0.038
Use #A3F9FC 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.