#A1BBDB
Closest named color: Light Grey Blue (#9DBCD4). oklch(78.3% 0.054 253.8), rgb(161, 187, 219).
Aa
Black text reads best on this color (10.64:1).
About this color
#A1BBDB is a light, muted blue. In OKLCH its lightness is 78%, its chroma 0.054 and its hue 254°. Its hue sits on the cool side of the wheel. The nearest named color is Light Grey Blue (#9DBCD4), ΔE 0.013 away. Black text reads best on it, at 10.64:1.
| Hue family | Blues |
| Lightness | light (78%) |
| Chroma | muted (0.054) |
| Temperature | cool |
| Nearest name | Light Grey Blue (#9DBCD4) |
| Black text | 10.64:1 |
| White text | 1.97:1 |
Values
| HEX | #A1BBDB |
| RGB | rgb(161, 187, 219) |
| HSL | hsl(213, 45%, 75%) |
| OKLCH | oklch(78.3% 0.054 253.8) |
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 #A1BBDB | 1.97:1 | Fails | Lc -42.4 | Non-text elements, placeholder text |
| Black text on #A1BBDB | 10.64:1 | AAA | Lc 65.9 | Content text, not long reading |
| #A1BBDB text on white | 1.97:1 | Fails | Lc 38.0 | Non-text elements, placeholder text |
| #A1BBDB text on black | 10.64:1 | AAA | Lc -64.4 | 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
#F2F6FA
oklch(97.1% 0.007 247.9)
-
Step 100
100
#E3EBF4
oklch(93.7% 0.015 251.2)
-
Step 200
200
#CCDBED
oklch(88.6% 0.03 253)
-
Step 300
300 (this color)
#A1BBDB
oklch(78.3% 0.054 253.8)
-
Step 400
400
#7BA4D6
oklch(70.8% 0.086 253.8)
-
Step 500
500
#588CCB
oklch(63.1% 0.111 254.1)
-
Step 600
600
#3C75B8
oklch(55.6% 0.121 253.9)
-
Step 700
700
#2E629E
oklch(49.1% 0.112 253.8)
-
Step 800
800
#275080
oklch(42.6% 0.093 253.9)
-
Step 900
900
#254367
oklch(37.8% 0.072 254)
-
Step 950
950
#16273C
oklch(26.9% 0.046 254.4)
#A1BBDB 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) | #B0BCDD | 0.020 |
| Deuteranopia (no green cones) | #A9B6DA | 0.016 |
| Tritanopia (no blue cones) | #91C2C5 | 0.047 |
| Achromatopsia (no color) | #B9B9B9 | 0.054 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #A1BBDB
#A1BBDB
oklch(78.3% 0.054 253.8)
- #CEB493
#CEB493
oklch(78.4% 0.054 73.5)
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 #A1BBDB, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Light Grey Blue #9DBCD4 ΔE 0.013
- Light Cornflower Blue #98C1D9 ΔE 0.020
- Cloudy Blue #ACC2D9 ΔE 0.026
- Light Steel Blue #B0C4DE ΔE 0.032
- French Gray #ADB5BD ΔE 0.042
- Light Blue Grey #B7C9E2 ΔE 0.049
- Pastel Blue #A2BFFE ΔE 0.049
- Sky Blue #87CEEB ΔE 0.053
Use #A1BBDB 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.