#A3E4FF
Closest named color: Powder Blue (#B0E0E6). oklch(88.4% 0.075 225.7), rgb(163, 228, 255).
Aa
Black text reads best on this color (15.09:1).
About this color
#A3E4FF is a light, moderately saturated teal or cyan. In OKLCH its lightness is 88%, its chroma 0.075 and its hue 226°. Its hue sits on the cool side of the wheel. The nearest named color is Powder Blue (#B0E0E6), ΔE 0.034 away. Black text reads best on it, at 15.09:1.
| Hue family | Teals and cyans |
| Lightness | light (88%) |
| Chroma | moderately saturated (0.075) |
| Temperature | cool |
| Nearest name | Powder Blue (#B0E0E6) |
| Black text | 15.09:1 |
| White text | 1.39:1 |
Values
| HEX | #A3E4FF |
| RGB | rgb(163, 228, 255) |
| HSL | hsl(198, 100%, 82%) |
| OKLCH | oklch(88.4% 0.075 225.7) |
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 #A3E4FF | 1.39:1 | Fails | Lc -21.6 | Dividers and decoration only |
| Black text on #A3E4FF | 15.09:1 | AAA | Lc 84.8 | Fine for body text |
| #A3E4FF text on white | 1.39:1 | Fails | Lc 18.9 | Dividers and decoration only |
| #A3E4FF text on black | 15.09:1 | AAA | Lc -84.6 | 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
#EDF7FC
oklch(97% 0.013 228.9)
-
Step 100
100
#D7EEF8
oklch(93.5% 0.028 225.7)
-
Step 200
200 (this color)
#A3E4FF
oklch(88.4% 0.075 225.7)
-
Step 300
300
#77CEF0
oklch(80.9% 0.097 225.4)
-
Step 400
400
#00B1E0
oklch(70.8% 0.135 225.5)
-
Step 500
500
#0097C0
oklch(63% 0.12 225.7)
-
Step 600
600
#007FA2
oklch(55.5% 0.106 225.7)
-
Step 700
700
#006B89
oklch(49.1% 0.094 225.7)
-
Step 800
800
#005871
oklch(42.8% 0.081 225.4)
-
Step 900
900
#00495E
oklch(37.7% 0.071 225)
-
Step 950
950
#002B39
oklch(26.9% 0.051 225.5)
#A3E4FF 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) | #D5E1FF | 0.058 |
| Deuteranopia (no green cones) | #C7D6FF | 0.052 |
| Tritanopia (no blue cones) | #82ECEC | 0.051 |
| Achromatopsia (no color) | #DBDBDB | 0.075 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #A3E4FF
#A3E4FF
oklch(88.4% 0.075 225.7)
- #FFCCB5
#FFCCB5
oklch(88.4% 0.066 45.5)
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 #A3E4FF, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Powder Blue #B0E0E6 ΔE 0.034
- Robin's Egg Blue #98EFF9 ΔE 0.034
- Light Blue #ADD8E6 ΔE 0.039
- Robin Egg Blue #8AF1FE ΔE 0.040
- Pale Turquoise #AFEEEE ΔE 0.043
- Diamond #B9F2FF ΔE 0.047
- Celeste #A8DADC ΔE 0.048
- Robin's Egg #6DEDFD ΔE 0.051
Use #A3E4FF 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.