#A1BBCF
Closest named color: Light Grey Blue (#9DBCD4). oklch(77.9% 0.04 241.2), rgb(161, 187, 207).
Aa
Black text reads best on this color (10.52:1).
About this color
#A1BBCF is a medium-light, muted blue. In OKLCH its lightness is 78%, its chroma 0.040 and its hue 241°. Its hue sits on the cool side of the wheel. The nearest named color is Light Grey Blue (#9DBCD4), ΔE 0.008 away. Black text reads best on it, at 10.52:1.
| Hue family | Blues |
| Lightness | medium-light (78%) |
| Chroma | muted (0.040) |
| Temperature | cool |
| Nearest name | Light Grey Blue (#9DBCD4) |
| Black text | 10.52:1 |
| White text | 1.99:1 |
Values
| HEX | #A1BBCF |
| RGB | rgb(161, 187, 207) |
| HSL | hsl(206, 32%, 72%) |
| OKLCH | oklch(77.9% 0.04 241.2) |
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 #A1BBCF | 1.99:1 | Fails | Lc -43.1 | Non-text elements, placeholder text |
| Black text on #A1BBCF | 10.52:1 | AAA | Lc 65.3 | Content text, not long reading |
| #A1BBCF text on white | 1.99:1 | Fails | Lc 38.6 | Non-text elements, placeholder text |
| #A1BBCF text on black | 10.52:1 | AAA | Lc -63.8 | 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
#F2F6F9
oklch(97.1% 0.006 239.8)
-
Step 100
100
#E3EBF1
oklch(93.6% 0.012 239.9)
-
Step 200
200
#CDDBE7
oklch(88.4% 0.022 243.8)
-
Step 300
300 (this color)
#A1BBCF
oklch(77.9% 0.04 241.2)
-
Step 400
400
#7CA6C6
oklch(70.6% 0.065 241.7)
-
Step 500
500
#5A90B7
oklch(63.1% 0.082 241.2)
-
Step 600
600
#3E7AA3
oklch(55.7% 0.089 240.8)
-
Step 700
700
#30668C
oklch(49.1% 0.084 241.9)
-
Step 800
800
#285371
oklch(42.5% 0.069 241.4)
-
Step 900
900
#26455C
oklch(37.7% 0.054 242.2)
-
Step 950
950
#172936
oklch(27.2% 0.034 241)
#A1BBCF 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) | #B3BAD0 | 0.024 |
| Deuteranopia (no green cones) | #ADB5CF | 0.021 |
| Tritanopia (no blue cones) | #94C0C1 | 0.033 |
| Achromatopsia (no color) | #B7B7B7 | 0.040 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #A1BBCF
#A1BBCF
oklch(77.9% 0.04 241.2)
- #CBB29E
#CBB29E
oklch(78% 0.04 60.8)
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 #A1BBCF, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Light Grey Blue #9DBCD4 ΔE 0.008
- Light Cornflower Blue #98C1D9 ΔE 0.019
- Cloudy Blue #ACC2D9 ΔE 0.026
- French Gray #ADB5BD ΔE 0.028
- Light Steel Blue #B0C4DE ΔE 0.036
- Silver #C0C0C0 ΔE 0.050
- Light Blue Grey #B7C9E2 ΔE 0.052
- Sky Blue #87CEEB ΔE 0.057
Use #A1BBCF 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.