#A3DEF2
Closest named color: Light Blue (#ADD8E6). oklch(86.7% 0.066 220.9), rgb(163, 222, 242).
Aa
Black text reads best on this color (14.28:1).
About this color
#A3DEF2 is a light, muted teal or cyan. In OKLCH its lightness is 87%, its chroma 0.066 and its hue 221°. Its hue sits on the cool side of the wheel. The nearest named color is Light Blue (#ADD8E6), ΔE 0.020 away. Black text reads best on it, at 14.28:1.
| Hue family | Teals and cyans |
| Lightness | light (87%) |
| Chroma | muted (0.066) |
| Temperature | cool |
| Nearest name | Light Blue (#ADD8E6) |
| Black text | 14.28:1 |
| White text | 1.46:1 |
Values
| HEX | #A3DEF2 |
| RGB | rgb(163, 222, 242) |
| HSL | hsl(195, 75%, 79%) |
| OKLCH | oklch(86.7% 0.066 220.9) |
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 #A3DEF2 | 1.46:1 | Fails | Lc -25.2 | Dividers and decoration only |
| Black text on #A3DEF2 | 14.28:1 | AAA | Lc 81.5 | Fine for body text |
| #A3DEF2 text on white | 1.46:1 | Fails | Lc 22.2 | Dividers and decoration only |
| #A3DEF2 text on black | 14.28:1 | AAA | Lc -81.1 | 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
#EEF7FB
oklch(97.1% 0.011 226)
-
Step 100
100
#D9EEF6
oklch(93.6% 0.025 222.6)
-
Step 200
200 (this color)
#A3DEF2
oklch(86.7% 0.066 220.9)
-
Step 300
300
#80CEE7
oklch(81% 0.084 220.4)
-
Step 400
400
#00B2D9
oklch(70.7% 0.13 221)
-
Step 500
500
#0099BA
oklch(63.2% 0.115 220.3)
-
Step 600
600
#00809D
oklch(55.6% 0.102 221.1)
-
Step 700
700
#006C84
oklch(49.2% 0.09 220.2)
-
Step 800
800
#00586D
oklch(42.6% 0.078 221.3)
-
Step 900
900
#00495B
oklch(37.6% 0.069 221.4)
-
Step 950
950
#002C37
oklch(27.1% 0.049 219.4)
#A3DEF2 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) | #D2DAF3 | 0.056 |
| Deuteranopia (no green cones) | #C5D1F2 | 0.050 |
| Tritanopia (no blue cones) | #88E5E4 | 0.042 |
| Achromatopsia (no color) | #D5D5D5 | 0.066 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #A3DEF2
#A3DEF2
oklch(86.7% 0.066 220.9)
- #FAC6B2
#FAC6B2
oklch(86.7% 0.066 42.1)
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 #A3DEF2, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Light Blue #ADD8E6 ΔE 0.020
- Powder Blue #B0E0E6 ΔE 0.023
- Celeste #A8DADC ΔE 0.029
- Robin's Egg Blue #98EFF9 ΔE 0.044
- Pale Turquoise #AFEEEE ΔE 0.049
- Baby Blue #A2CFFE ΔE 0.049
- Robin Egg Blue #8AF1FE ΔE 0.050
- Light Blue Grey #B7C9E2 ΔE 0.055
Use #A3DEF2 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.