#A9CAEA
Closest named color: Light Blue Grey (#B7C9E2). oklch(82.6% 0.057 247.7), rgb(169, 202, 234).
Aa
Black text reads best on this color (12.32:1).
About this color
#A9CAEA is a light, muted blue. In OKLCH its lightness is 83%, its chroma 0.057 and its hue 248°. Its hue sits on the cool side of the wheel. The nearest named color is Light Blue Grey (#B7C9E2), ΔE 0.019 away. Black text reads best on it, at 12.32:1.
| Hue family | Blues |
| Lightness | light (83%) |
| Chroma | muted (0.057) |
| Temperature | cool |
| Nearest name | Light Blue Grey (#B7C9E2) |
| Black text | 12.32:1 |
| White text | 1.70:1 |
Values
| HEX | #A9CAEA |
| RGB | rgb(169, 202, 234) |
| HSL | hsl(210, 61%, 79%) |
| OKLCH | oklch(82.6% 0.057 247.7) |
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 #A9CAEA | 1.70:1 | Fails | Lc -34.3 | Non-text elements, placeholder text |
| Black text on #A9CAEA | 12.32:1 | AAA | Lc 73.3 | Content text, not long reading |
| #A9CAEA text on white | 1.70:1 | Fails | Lc 30.5 | Non-text elements, placeholder text |
| #A9CAEA text on black | 12.32:1 | AAA | Lc -72.3 | 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
#F2F6FA
oklch(97.1% 0.007 247.9)
-
Step 100
100
#E1EBF5
oklch(93.5% 0.017 248)
-
Step 200
200
#C9DCEE
oklch(88.6% 0.032 246.7)
-
Step 300
300 (this color)
#A9CAEA
oklch(82.6% 0.057 247.7)
-
Step 400
400
#71A6D7
oklch(70.7% 0.091 247.3)
-
Step 500
500
#498FCD
oklch(63.2% 0.118 247.6)
-
Step 600
600
#2778BA
oklch(55.7% 0.128 247.6)
-
Step 700
700
#1964A0
oklch(49% 0.119 248)
-
Step 800
800
#185282
oklch(42.7% 0.099 248)
-
Step 900
900
#1B4468
oklch(37.6% 0.077 248)
-
Step 950
950
#11283D
oklch(26.9% 0.049 248.1)
#A9CAEA 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) | #BECAEC | 0.027 |
| Deuteranopia (no green cones) | #B6C3E9 | 0.023 |
| Tritanopia (no blue cones) | #96D1D4 | 0.048 |
| Achromatopsia (no color) | #C6C6C6 | 0.057 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #A9CAEA
#A9CAEA
oklch(82.6% 0.057 247.7)
- #E0C09F
#E0C09F
oklch(82.7% 0.057 67.8)
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 #A9CAEA, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Light Blue Grey #B7C9E2 ΔE 0.019
- Light Steel Blue #B0C4DE ΔE 0.020
- Cloudy Blue #ACC2D9 ΔE 0.027
- Baby Blue #A2CFFE ΔE 0.028
- Sky Blue #87CEEB ΔE 0.037
- Light Cornflower Blue #98C1D9 ΔE 0.039
- Light Sky Blue #87CEFA ΔE 0.040
- Light Blue #ADD8E6 ΔE 0.041
Use #A9CAEA 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.