#A3CBEC
Closest named color: Baby Blue (#A2CFFE). oklch(82.5% 0.063 243.5), rgb(163, 203, 236).
Aa
Black text reads best on this color (12.31:1).
About this color
#A3CBEC is a light, muted blue. In OKLCH its lightness is 82%, its chroma 0.063 and its hue 243°. 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 12.31:1.
| Hue family | Blues |
| Lightness | light (82%) |
| Chroma | muted (0.063) |
| Temperature | cool |
| Nearest name | Baby Blue (#A2CFFE) |
| Black text | 12.31:1 |
| White text | 1.70:1 |
Values
| HEX | #A3CBEC |
| RGB | rgb(163, 203, 236) |
| HSL | hsl(207, 66%, 78%) |
| OKLCH | oklch(82.5% 0.063 243.5) |
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 #A3CBEC | 1.70:1 | Fails | Lc -34.3 | Non-text elements, placeholder text |
| Black text on #A3CBEC | 12.31:1 | AAA | Lc 73.3 | Content text, not long reading |
| #A3CBEC text on white | 1.70:1 | Fails | Lc 30.5 | Non-text elements, placeholder text |
| #A3CBEC text on black | 12.31:1 | AAA | Lc -72.2 | Content text, not long reading |
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
#F1F6FB
oklch(97.1% 0.009 247.9)
-
Step 100
100
#E0ECF5
oklch(93.7% 0.018 240)
-
Step 200
200
#C6DCEF
oklch(88.4% 0.035 244.2)
-
Step 300
300 (this color)
#A3CBEC
oklch(82.5% 0.063 243.5)
-
Step 400
400
#66A8DB
oklch(70.8% 0.101 243.2)
-
Step 500
500
#3591D1
oklch(63.2% 0.129 243.3)
-
Step 600
600
#007ABC
oklch(55.7% 0.136 243.3)
-
Step 700
700
#00669F
oklch(49.1% 0.12 243.6)
-
Step 800
800
#005383
oklch(42.6% 0.105 243.8)
-
Step 900
900
#0D456A
oklch(37.6% 0.084 243.6)
-
Step 950
950
#0B293E
oklch(27% 0.053 242.9)
#A3CBEC 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) | #BECBEE | 0.034 |
| Deuteranopia (no green cones) | #B4C3EB | 0.028 |
| Tritanopia (no blue cones) | #8CD3D6 | 0.051 |
| Achromatopsia (no color) | #C6C6C6 | 0.063 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #A3CBEC
#A3CBEC
oklch(82.5% 0.063 243.5)
- #E3BD9C
#E3BD9C
oklch(82.3% 0.062 62.8)
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 #A3CBEC, 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 Steel Blue #B0C4DE ΔE 0.025
- Light Blue Grey #B7C9E2 ΔE 0.026
- Cloudy Blue #ACC2D9 ΔE 0.030
- Sky Blue #87CEEB ΔE 0.031
- Light Sky Blue #87CEFA ΔE 0.033
- Light Cornflower Blue #98C1D9 ΔE 0.037
- Sky #82CAFC ΔE 0.041
Use #A3CBEC 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.