#A1BBEF
Closest named color: Pastel Blue (#A2BFFE). oklch(79.1% 0.08 264), rgb(161, 187, 239).
Aa
Black text reads best on this color (10.86:1).
About this color
#A1BBEF is a light, moderately saturated blue. In OKLCH its lightness is 79%, its chroma 0.080 and its hue 264°. Its hue sits on the cool side of the wheel. The nearest named color is Pastel Blue (#A2BFFE), ΔE 0.022 away. Black text reads best on it, at 10.86:1.
| Hue family | Blues |
| Lightness | light (79%) |
| Chroma | moderately saturated (0.080) |
| Temperature | cool |
| Nearest name | Pastel Blue (#A2BFFE) |
| Black text | 10.86:1 |
| White text | 1.93:1 |
Values
| HEX | #A1BBEF |
| RGB | rgb(161, 187, 239) |
| HSL | hsl(220, 71%, 78%) |
| OKLCH | oklch(79.1% 0.08 264) |
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 #A1BBEF | 1.93:1 | Fails | Lc -41.3 | Non-text elements, placeholder text |
| Black text on #A1BBEF | 10.86:1 | AAA | Lc 66.9 | Content text, not long reading |
| #A1BBEF text on white | 1.93:1 | Fails | Lc 37.0 | Non-text elements, placeholder text |
| #A1BBEF text on black | 10.86:1 | AAA | Lc -65.5 | 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
#F2F6FD
oklch(97.2% 0.01 261.8)
-
Step 100
100
#E2EAFA
oklch(93.6% 0.023 264.5)
-
Step 200
200
#CADAF7
oklch(88.5% 0.044 262.4)
-
Step 300
300 (this color)
#A1BBEF
oklch(79.1% 0.08 264)
-
Step 400
400
#789FF0
oklch(70.8% 0.127 263.9)
-
Step 500
500
#5584EB
oklch(63.1% 0.163 263.9)
-
Step 600
600
#3B6BD9
oklch(55.5% 0.177 263.8)
-
Step 700
700
#2E59BD
oklch(49.2% 0.165 263.8)
-
Step 800
800
#274998
oklch(42.7% 0.136 264)
-
Step 900
900
#243E79
oklch(37.7% 0.106 264.1)
-
Step 950
950
#152547
oklch(27.1% 0.067 263.6)
#A1BBEF 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) | #AABEF1 | 0.015 |
| Deuteranopia (no green cones) | #A2B7EE | 0.010 |
| Tritanopia (no blue cones) | #8AC6CD | 0.071 |
| Achromatopsia (no color) | #BABABA | 0.080 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #A1BBEF
#A1BBEF
oklch(79.1% 0.08 264)
- #D3B77F
#D3B77F
oklch(79.1% 0.08 84.1)
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 #A1BBEF, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Pastel Blue #A2BFFE ΔE 0.022
- Carolina Blue #8AB8FE ΔE 0.037
- Light Grey Blue #9DBCD4 ΔE 0.041
- Light Cornflower Blue #98C1D9 ΔE 0.042
- Cloudy Blue #ACC2D9 ΔE 0.044
- Light Steel Blue #B0C4DE ΔE 0.044
- Sky #82CAFC ΔE 0.047
- Lightblue #7BC8F6 ΔE 0.049
Use #A1BBEF 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.