#A3D2EF
Closest named color: Baby Blue (#A2CFFE). oklch(84% 0.064 235.6), rgb(163, 210, 239).
Aa
Black text reads best on this color (13.02:1).
About this color
#A3D2EF is a light, muted blue. In OKLCH its lightness is 84%, its chroma 0.064 and its hue 236°. Its hue sits on the cool side of the wheel. The nearest named color is Baby Blue (#A2CFFE), ΔE 0.025 away. Black text reads best on it, at 13.02:1.
| Hue family | Blues |
| Lightness | light (84%) |
| Chroma | muted (0.064) |
| Temperature | cool |
| Nearest name | Baby Blue (#A2CFFE) |
| Black text | 13.02:1 |
| White text | 1.61:1 |
Values
| HEX | #A3D2EF |
| RGB | rgb(163, 210, 239) |
| HSL | hsl(203, 70%, 79%) |
| OKLCH | oklch(84% 0.064 235.6) |
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 #A3D2EF | 1.61:1 | Fails | Lc -31.0 | Non-text elements, placeholder text |
| Black text on #A3D2EF | 13.02:1 | AAA | Lc 76.3 | Fine for body text |
| #A3D2EF text on white | 1.61:1 | Fails | Lc 27.5 | Dividers and decoration only |
| #A3D2EF text on black | 13.02:1 | AAA | Lc -75.5 | 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 300.
-
Step 50
50
#F0F6FA
oklch(97% 0.008 236.6)
-
Step 100
100
#DFECF5
oklch(93.6% 0.018 237.8)
-
Step 200
200
#C4DDEE
oklch(88.4% 0.036 237.6)
-
Step 300
300 (this color)
#A3D2EF
oklch(84% 0.064 235.6)
-
Step 400
400
#5BAAD7
oklch(70.6% 0.102 235.7)
-
Step 500
500
#1594CD
oklch(63.1% 0.131 235.8)
-
Step 600
600
#007DAF
oklch(55.7% 0.119 235.4)
-
Step 700
700
#006994
oklch(49.2% 0.105 235.5)
-
Step 800
800
#00567A
oklch(42.8% 0.091 235.4)
-
Step 900
900
#004766
oklch(37.6% 0.081 235.8)
-
Step 950
950
#042A3D
oklch(27% 0.054 235.8)
#A3D2EF 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) | #C5D1F1 | 0.042 |
| Deuteranopia (no green cones) | #BAC8EF | 0.036 |
| Tritanopia (no blue cones) | #8ADADB | 0.049 |
| Achromatopsia (no color) | #CCCCCC | 0.064 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #A3D2EF
#A3D2EF
oklch(84% 0.064 235.6)
- #ECC1A3
#ECC1A3
oklch(84.1% 0.064 56.6)
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 #A3D2EF, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Baby Blue #A2CFFE ΔE 0.025
- Light Blue #ADD8E6 ΔE 0.027
- Light Blue Grey #B7C9E2 ΔE 0.032
- Sky Blue #87CEEB ΔE 0.034
- Light Sky Blue #87CEFA ΔE 0.037
- Light Steel Blue #B0C4DE ΔE 0.038
- Celeste #A8DADC ΔE 0.040
- Cloudy Blue #ACC2D9 ΔE 0.044
Use #A3D2EF 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.