#A9BEE9
Closest named color: Light Steel Blue (#B0C4DE). oklch(80% 0.065 264.5), rgb(169, 190, 233).
Aa
Black text reads best on this color (11.22:1).
About this color
#A9BEE9 is a light, muted blue. In OKLCH its lightness is 80%, its chroma 0.065 and its hue 265°. Its hue sits on the cool side of the wheel. The nearest named color is Light Steel Blue (#B0C4DE), ΔE 0.028 away. Black text reads best on it, at 11.22:1.
| Hue family | Blues |
| Lightness | light (80%) |
| Chroma | muted (0.065) |
| Temperature | cool |
| Nearest name | Light Steel Blue (#B0C4DE) |
| Black text | 11.22:1 |
| White text | 1.87:1 |
Values
| HEX | #A9BEE9 |
| RGB | rgb(169, 190, 233) |
| HSL | hsl(220, 59%, 79%) |
| OKLCH | oklch(80% 0.065 264.5) |
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 #A9BEE9 | 1.87:1 | Fails | Lc -39.6 | Non-text elements, placeholder text |
| Black text on #A9BEE9 | 11.22:1 | AAA | Lc 68.5 | Content text, not long reading |
| #A9BEE9 text on white | 1.87:1 | Fails | Lc 35.4 | Non-text elements, placeholder text |
| #A9BEE9 text on black | 11.22:1 | AAA | Lc -67.2 | 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
#F2F5FC
oklch(97% 0.01 267.4)
-
Step 100
100
#E4EAF7
oklch(93.6% 0.019 266)
-
Step 200
200
#CDD9F2
oklch(88.4% 0.037 265.1)
-
Step 300
300 (this color)
#A9BEE9
oklch(80% 0.065 264.5)
-
Step 400
400
#809FE2
oklch(70.6% 0.105 264.8)
-
Step 500
500
#6086DA
oklch(63% 0.134 264.5)
-
Step 600
600
#486EC8
oklch(55.6% 0.146 264.8)
-
Step 700
700
#395CAD
oklch(49.2% 0.136 264.4)
-
Step 800
800
#2F4B8C
oklch(42.6% 0.113 264.6)
-
Step 900
900
#2A3F70
oklch(37.6% 0.088 265)
-
Step 950
950
#192541
oklch(26.9% 0.055 265.3)
#A9BEE9 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) | #B0C1EB | 0.013 |
| Deuteranopia (no green cones) | #AABBE8 | 0.008 |
| Tritanopia (no blue cones) | #98C7CC | 0.059 |
| Achromatopsia (no color) | #BDBDBD | 0.065 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #A9BEE9
#A9BEE9
oklch(80% 0.065 264.5)
- #D2BB8E
#D2BB8E
oklch(80.1% 0.065 83.9)
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 #A9BEE9, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Light Steel Blue #B0C4DE ΔE 0.028
- Cloudy Blue #ACC2D9 ΔE 0.029
- Pastel Blue #A2BFFE ΔE 0.030
- Light Grey Blue #9DBCD4 ΔE 0.035
- Light Cornflower Blue #98C1D9 ΔE 0.035
- Light Blue Grey #B7C9E2 ΔE 0.040
- Baby Blue #A2CFFE ΔE 0.046
- Light Periwinkle #C1C6FC ΔE 0.046
Use #A9BEE9 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.