#A1CAEA
Closest named color: Light Steel Blue (#B0C4DE). oklch(82.1% 0.063 242), rgb(161, 202, 234).
Aa
Black text reads best on this color (12.15:1).
About this color
#A1CAEA is a light, muted blue. In OKLCH its lightness is 82%, its chroma 0.063 and its hue 242°. Its hue sits on the cool side of the wheel. The nearest named color is Light Steel Blue (#B0C4DE), ΔE 0.024 away. Black text reads best on it, at 12.15:1.
| Hue family | Blues |
| Lightness | light (82%) |
| Chroma | muted (0.063) |
| Temperature | cool |
| Nearest name | Light Steel Blue (#B0C4DE) |
| Black text | 12.15:1 |
| White text | 1.72:1 |
Values
| HEX | #A1CAEA |
| RGB | rgb(161, 202, 234) |
| HSL | hsl(206, 63%, 77%) |
| OKLCH | oklch(82.1% 0.063 242) |
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 #A1CAEA | 1.72:1 | Fails | Lc -35.1 | Non-text elements, placeholder text |
| Black text on #A1CAEA | 12.15:1 | AAA | Lc 72.6 | Content text, not long reading |
| #A1CAEA text on white | 1.72:1 | Fails | Lc 31.2 | Non-text elements, placeholder text |
| #A1CAEA text on black | 12.15:1 | AAA | Lc -71.5 | 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
#C6DDEF
oklch(88.6% 0.035 241.5)
-
Step 300
300 (this color)
#A1CAEA
oklch(82.1% 0.063 242)
-
Step 400
400
#65A8DA
oklch(70.7% 0.1 242.3)
-
Step 500
500
#3291D0
oklch(63.1% 0.129 242.3)
-
Step 600
600
#007AB9
oklch(55.5% 0.132 242.1)
-
Step 700
700
#00679C
oklch(49.2% 0.116 241.5)
-
Step 800
800
#005481
oklch(42.7% 0.101 241.9)
-
Step 900
900
#0A466A
oklch(37.8% 0.084 241.9)
-
Step 950
950
#0A293E
oklch(27% 0.053 242.3)
#A1CAEA 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) | #BDC9EC | 0.035 |
| Deuteranopia (no green cones) | #B3C1E9 | 0.030 |
| Tritanopia (no blue cones) | #8AD2D4 | 0.051 |
| Achromatopsia (no color) | #C5C5C5 | 0.063 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #A1CAEA
#A1CAEA
oklch(82.1% 0.063 242)
- #E3BC9B
#E3BC9B
oklch(82.1% 0.063 62)
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 #A1CAEA, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Light Steel Blue #B0C4DE ΔE 0.024
- Light Blue Grey #B7C9E2 ΔE 0.028
- Cloudy Blue #ACC2D9 ΔE 0.028
- Baby Blue #A2CFFE ΔE 0.028
- Sky Blue #87CEEB ΔE 0.028
- Light Sky Blue #87CEFA ΔE 0.033
- Light Cornflower Blue #98C1D9 ΔE 0.033
- Sky #82CAFC ΔE 0.040
Use #A1CAEA 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.