#A1BBDD
Closest named color: Light Grey Blue (#9DBCD4). oklch(78.4% 0.056 255.2), rgb(161, 187, 221).
Aa
Black text reads best on this color (10.66:1).
About this color
#A1BBDD is a light, muted blue. In OKLCH its lightness is 78%, its chroma 0.056 and its hue 255°. Its hue sits on the cool side of the wheel. The nearest named color is Light Grey Blue (#9DBCD4), ΔE 0.015 away. Black text reads best on it, at 10.66:1.
| Hue family | Blues |
| Lightness | light (78%) |
| Chroma | muted (0.056) |
| Temperature | cool |
| Nearest name | Light Grey Blue (#9DBCD4) |
| Black text | 10.66:1 |
| White text | 1.96:1 |
Values
| HEX | #A1BBDD |
| RGB | rgb(161, 187, 221) |
| HSL | hsl(214, 47%, 75%) |
| OKLCH | oklch(78.4% 0.056 255.2) |
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 #A1BBDD | 1.96:1 | Fails | Lc -42.3 | Non-text elements, placeholder text |
| Black text on #A1BBDD | 10.66:1 | AAA | Lc 66.0 | Content text, not long reading |
| #A1BBDD text on white | 1.96:1 | Fails | Lc 37.9 | Non-text elements, placeholder text |
| #A1BBDD text on black | 10.66:1 | AAA | Lc -64.5 | 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
#F2F6FB
oklch(97.2% 0.008 253.9)
-
Step 100
100
#E3EBF5
oklch(93.7% 0.016 253.9)
-
Step 200
200
#CCDBEE
oklch(88.6% 0.031 254.3)
-
Step 300
300 (this color)
#A1BBDD
oklch(78.4% 0.056 255.2)
-
Step 400
400
#7AA3D8
oklch(70.6% 0.09 255.1)
-
Step 500
500
#588BCE
oklch(63% 0.116 255.7)
-
Step 600
600
#3C74BB
oklch(55.5% 0.126 255.4)
-
Step 700
700
#2E61A1
oklch(49% 0.117 255.4)
-
Step 800
800
#275083
oklch(42.8% 0.097 255.1)
-
Step 900
900
#244269
oklch(37.6% 0.076 255.7)
-
Step 950
950
#16273D
oklch(27% 0.047 255.4)
#A1BBDD 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) | #AFBCDF | 0.019 |
| Deuteranopia (no green cones) | #A8B6DC | 0.015 |
| Tritanopia (no blue cones) | #90C2C6 | 0.049 |
| Achromatopsia (no color) | #B9B9B9 | 0.056 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #A1BBDD
#A1BBDD
oklch(78.4% 0.056 255.2)
- #CEB491
#CEB491
oklch(78.4% 0.056 75)
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 #A1BBDD, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Light Grey Blue #9DBCD4 ΔE 0.015
- Light Cornflower Blue #98C1D9 ΔE 0.021
- Cloudy Blue #ACC2D9 ΔE 0.027
- Light Steel Blue #B0C4DE ΔE 0.032
- French Gray #ADB5BD ΔE 0.045
- Pastel Blue #A2BFFE ΔE 0.046
- Light Blue Grey #B7C9E2 ΔE 0.049
- Sky Blue #87CEEB ΔE 0.053
Use #A1BBDD 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.