#A1BBFF
Closest named color: Pastel Blue (#A2BFFE). oklch(79.8% 0.101 268), rgb(161, 187, 255).
Aa
Black text reads best on this color (11.06:1).
About this color
#A1BBFF is a light, moderately saturated blue. In OKLCH its lightness is 80%, its chroma 0.101 and its hue 268°. Its hue sits on the cool side of the wheel. The nearest named color is Pastel Blue (#A2BFFE), ΔE 0.011 away. Black text reads best on it, at 11.06:1.
| Hue family | Blues |
| Lightness | light (80%) |
| Chroma | moderately saturated (0.101) |
| Temperature | cool |
| Nearest name | Pastel Blue (#A2BFFE) |
| Black text | 11.06:1 |
| White text | 1.89:1 |
Values
| HEX | #A1BBFF |
| RGB | rgb(161, 187, 255) |
| HSL | hsl(223, 100%, 82%) |
| OKLCH | oklch(79.8% 0.101 268) |
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 #A1BBFF | 1.89:1 | Fails | Lc -40.3 | Non-text elements, placeholder text |
| Black text on #A1BBFF | 11.06:1 | AAA | Lc 67.8 | Content text, not long reading |
| #A1BBFF text on white | 1.89:1 | Fails | Lc 36.1 | Non-text elements, placeholder text |
| #A1BBFF text on black | 11.06:1 | AAA | Lc -66.4 | 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
#F1F5FF
oklch(97% 0.014 268.5)
-
Step 100
100
#E1EAFE
oklch(93.6% 0.029 266.4)
-
Step 200
200
#C9D9FF
oklch(88.6% 0.055 267.2)
-
Step 300
300 (this color)
#A1BBFF
oklch(79.8% 0.101 268)
-
Step 400
400
#789BFF
oklch(70.8% 0.152 267.9)
-
Step 500
500
#577DFF
oklch(63.1% 0.197 268)
-
Step 600
600
#3D60F4
oklch(55.6% 0.224 267.9)
-
Step 700
700
#304ED5
oklch(49.2% 0.209 267.8)
-
Step 800
800
#2841AC
oklch(42.8% 0.173 267.9)
-
Step 900
900
#243988
oklch(37.8% 0.134 268)
-
Step 950
950
#152250
oklch(27.1% 0.086 268.3)
#A1BBFF 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) | #A4C1FF | 0.017 |
| Deuteranopia (no green cones) | #9CB8FD | 0.011 |
| Tritanopia (no blue cones) | #84C9D3 | 0.091 |
| Achromatopsia (no color) | #BCBCBC | 0.101 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #A1BBFF
#A1BBFF
oklch(79.8% 0.101 268)
- #D8BA6E
#D8BA6E
oklch(79.9% 0.101 88.5)
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 #A1BBFF, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Pastel Blue #A2BFFE ΔE 0.011
- Carolina Blue #8AB8FE ΔE 0.029
- Sky #82CAFC ΔE 0.050
- Light Periwinkle #C1C6FC ΔE 0.054
- Baby Blue #A2CFFE ΔE 0.054
- Lightblue #7BC8F6 ΔE 0.055
- Light Sky Blue #87CEFA ΔE 0.058
- Light Steel Blue #B0C4DE ΔE 0.062
Use #A1BBFF 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.