#A9CDEE
Closest named color: Light Blue Grey (#B7C9E2). oklch(83.3% 0.06 246.3), rgb(169, 205, 238).
Aa
Black text reads best on this color (12.65:1).
About this color
#A9CDEE is a light, muted blue. In OKLCH its lightness is 83%, its chroma 0.060 and its hue 246°. Its hue sits on the cool side of the wheel. The nearest named color is Light Blue Grey (#B7C9E2), ΔE 0.022 away. Black text reads best on it, at 12.65:1.
| Hue family | Blues |
| Lightness | light (83%) |
| Chroma | muted (0.060) |
| Temperature | cool |
| Nearest name | Light Blue Grey (#B7C9E2) |
| Black text | 12.65:1 |
| White text | 1.65:1 |
Values
| HEX | #A9CDEE |
| RGB | rgb(169, 205, 238) |
| HSL | hsl(209, 67%, 80%) |
| OKLCH | oklch(83.3% 0.06 246.3) |
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 #A9CDEE | 1.65:1 | Fails | Lc -32.7 | Non-text elements, placeholder text |
| Black text on #A9CDEE | 12.65:1 | AAA | Lc 74.8 | Content text, not long reading |
| #A9CDEE text on white | 1.65:1 | Fails | Lc 29.1 | Dividers and decoration only |
| #A9CDEE text on black | 12.65:1 | AAA | Lc -73.8 | 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
#E1EBF5
oklch(93.5% 0.017 248)
-
Step 200
200
#C8DCEF
oklch(88.5% 0.034 246.8)
-
Step 300
300 (this color)
#A9CDEE
oklch(83.3% 0.06 246.3)
-
Step 400
400
#6DA6D9
oklch(70.6% 0.096 246.6)
-
Step 500
500
#418FCF
oklch(63% 0.123 246.3)
-
Step 600
600
#1978BC
oklch(55.5% 0.134 246.3)
-
Step 700
700
#0665A2
oklch(49.1% 0.124 246)
-
Step 800
800
#0E5384
oklch(42.9% 0.103 246.1)
-
Step 900
900
#164569
oklch(37.8% 0.079 245.5)
-
Step 950
950
#0F283E
oklch(26.9% 0.052 247.6)
#A9CDEE 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) | #C0CDF0 | 0.029 |
| Deuteranopia (no green cones) | #B7C6ED | 0.024 |
| Tritanopia (no blue cones) | #95D5D8 | 0.050 |
| Achromatopsia (no color) | #C9C9C9 | 0.060 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #A9CDEE
#A9CDEE
oklch(83.3% 0.06 246.3)
- #E4C19F
#E4C19F
oklch(83.3% 0.061 66)
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 #A9CDEE, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Light Blue Grey #B7C9E2 ΔE 0.022
- Baby Blue #A2CFFE ΔE 0.022
- Light Steel Blue #B0C4DE ΔE 0.027
- Cloudy Blue #ACC2D9 ΔE 0.035
- Light Blue #ADD8E6 ΔE 0.036
- Sky Blue #87CEEB ΔE 0.038
- Light Sky Blue #87CEFA ΔE 0.039
- Light Periwinkle #C1C6FC ΔE 0.043
Use #A9CDEE 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.