#A9CAEE
Closest named color: Light Blue Grey (#B7C9E2). oklch(82.7% 0.062 250.8), rgb(169, 202, 238).
Aa
Black text reads best on this color (12.36:1).
About this color
#A9CAEE is a light, muted blue. In OKLCH its lightness is 83%, its chroma 0.062 and its hue 251°. Its hue sits on the cool side of the wheel. The nearest named color is Light Blue Grey (#B7C9E2), ΔE 0.023 away. Black text reads best on it, at 12.36:1.
| Hue family | Blues |
| Lightness | light (83%) |
| Chroma | muted (0.062) |
| Temperature | cool |
| Nearest name | Light Blue Grey (#B7C9E2) |
| Black text | 12.36:1 |
| White text | 1.69:1 |
Values
| HEX | #A9CAEE |
| RGB | rgb(169, 202, 238) |
| HSL | hsl(211, 67%, 80%) |
| OKLCH | oklch(82.7% 0.062 250.8) |
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 #A9CAEE | 1.69:1 | Fails | Lc -34.1 | Non-text elements, placeholder text |
| Black text on #A9CAEE | 12.36:1 | AAA | Lc 73.5 | Content text, not long reading |
| #A9CAEE text on white | 1.69:1 | Fails | Lc 30.3 | Non-text elements, placeholder text |
| #A9CAEE text on black | 12.36:1 | AAA | Lc -72.5 | 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
#E1EBF6
oklch(93.6% 0.018 250.6)
-
Step 200
200
#C9DBF0
oklch(88.4% 0.035 252.3)
-
Step 300
300 (this color)
#A9CAEE
oklch(82.7% 0.062 250.8)
-
Step 400
400
#71A5DD
oklch(70.8% 0.099 251.1)
-
Step 500
500
#488DD3
oklch(63% 0.127 250.8)
-
Step 600
600
#2776C0
oklch(55.6% 0.137 250.7)
-
Step 700
700
#1863A6
oklch(49.2% 0.128 250.6)
-
Step 800
800
#185186
oklch(42.7% 0.105 250.6)
-
Step 900
900
#1B436C
oklch(37.6% 0.084 251.5)
-
Step 950
950
#11283F
oklch(27.1% 0.052 250.3)
#A9CAEE 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) | #BDCBF0 | 0.026 |
| Deuteranopia (no green cones) | #B4C3ED | 0.021 |
| Tritanopia (no blue cones) | #95D2D6 | 0.052 |
| Achromatopsia (no color) | #C7C7C7 | 0.062 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #A9CAEE
#A9CAEE
oklch(82.7% 0.062 250.8)
- #E1C09B
#E1C09B
oklch(82.7% 0.062 70)
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 #A9CAEE, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Light Blue Grey #B7C9E2 ΔE 0.023
- Baby Blue #A2CFFE ΔE 0.023
- Light Steel Blue #B0C4DE ΔE 0.024
- Cloudy Blue #ACC2D9 ΔE 0.031
- Light Sky Blue #87CEFA ΔE 0.038
- Sky Blue #87CEEB ΔE 0.039
- Light Periwinkle #C1C6FC ΔE 0.040
- Light Cornflower Blue #98C1D9 ΔE 0.042
Use #A9CAEE 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.