#A9BBDF
Closest named color: Light Grey Blue (#9DBCD4). oklch(79% 0.055 264.2), rgb(169, 187, 223).
Aa
Black text reads best on this color (10.86:1).
About this color
#A9BBDF is a light, muted blue. In OKLCH its lightness is 79%, its chroma 0.055 and its hue 264°. Its hue sits on the cool side of the wheel. The nearest named color is Light Grey Blue (#9DBCD4), ΔE 0.024 away. Black text reads best on it, at 10.86:1.
| Hue family | Blues |
| Lightness | light (79%) |
| Chroma | muted (0.055) |
| Temperature | cool |
| Nearest name | Light Grey Blue (#9DBCD4) |
| Black text | 10.86:1 |
| White text | 1.93:1 |
Values
| HEX | #A9BBDF |
| RGB | rgb(169, 187, 223) |
| HSL | hsl(220, 46%, 77%) |
| OKLCH | oklch(79% 0.055 264.2) |
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 #A9BBDF | 1.93:1 | Fails | Lc -41.4 | Non-text elements, placeholder text |
| Black text on #A9BBDF | 10.86:1 | AAA | Lc 66.8 | Content text, not long reading |
| #A9BBDF text on white | 1.93:1 | Fails | Lc 37.1 | Non-text elements, placeholder text |
| #A9BBDF text on black | 10.86:1 | AAA | Lc -65.4 | 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
#F3F5FB
oklch(97% 0.008 271.3)
-
Step 100
100
#E4EAF5
oklch(93.6% 0.016 262.8)
-
Step 200
200
#CFD9EE
oklch(88.4% 0.031 265.3)
-
Step 300
300 (this color)
#A9BBDF
oklch(79% 0.055 264.2)
-
Step 400
400
#85A0D8
oklch(70.7% 0.088 264.4)
-
Step 500
500
#6788CE
oklch(63.2% 0.112 264.2)
-
Step 600
600
#4E70BB
oklch(55.5% 0.123 264.4)
-
Step 700
700
#3F5EA1
oklch(49.2% 0.114 264)
-
Step 800
800
#344D82
oklch(42.7% 0.094 263.8)
-
Step 900
900
#2D4069
oklch(37.6% 0.075 264.3)
-
Step 950
950
#1B263D
oklch(27% 0.046 264.1)
#A9BBDF 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) | #B0BDE1 | 0.011 |
| Deuteranopia (no green cones) | #ABB8DE | 0.008 |
| Tritanopia (no blue cones) | #9BC2C7 | 0.049 |
| Achromatopsia (no color) | #BABABA | 0.055 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #A9BBDF
#A9BBDF
oklch(79% 0.055 264.2)
- #CBB893
#CBB893
oklch(78.9% 0.054 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 #A9BBDF, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Light Grey Blue #9DBCD4 ΔE 0.024
- Cloudy Blue #ACC2D9 ΔE 0.024
- Light Steel Blue #B0C4DE ΔE 0.027
- Light Cornflower Blue #98C1D9 ΔE 0.029
- Light Blue Grey #B7C9E2 ΔE 0.043
- Pastel Blue #A2BFFE ΔE 0.043
- French Gray #ADB5BD ΔE 0.046
- Sky Blue #87CEEB ΔE 0.057
Use #A9BBDF 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.