#AABBF0
Closest named color: Pastel Blue (#A2BFFE). oklch(79.8% 0.078 270.8), rgb(170, 187, 240).
Aa
Black text reads best on this color (11.07:1).
About this color
#AABBF0 is a light, moderately saturated blue. In OKLCH its lightness is 80%, its chroma 0.078 and its hue 271°. Its hue sits on the cool side of the wheel. The nearest named color is Pastel Blue (#A2BFFE), ΔE 0.021 away. Black text reads best on it, at 11.07:1.
| Hue family | Blues |
| Lightness | light (80%) |
| Chroma | moderately saturated (0.078) |
| Temperature | cool |
| Nearest name | Pastel Blue (#A2BFFE) |
| Black text | 11.07:1 |
| White text | 1.89:1 |
Values
| HEX | #AABBF0 |
| RGB | rgb(170, 187, 240) |
| HSL | hsl(225, 70%, 80%) |
| OKLCH | oklch(79.8% 0.078 270.8) |
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 #AABBF0 | 1.89:1 | Fails | Lc -40.3 | Non-text elements, placeholder text |
| Black text on #AABBF0 | 11.07:1 | AAA | Lc 67.8 | Content text, not long reading |
| #AABBF0 text on white | 1.89:1 | Fails | Lc 36.1 | Non-text elements, placeholder text |
| #AABBF0 text on black | 11.07:1 | 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
#F3F5FD
oklch(97.1% 0.011 274.9)
-
Step 100
100
#E4E9FA
oklch(93.5% 0.024 272.8)
-
Step 200
200
#CED8F7
oklch(88.4% 0.044 271.3)
-
Step 300
300 (this color)
#AABBF0
oklch(79.8% 0.078 270.8)
-
Step 400
400
#849BEE
oklch(70.6% 0.125 271.2)
-
Step 500
500
#6680E9
oklch(63% 0.16 270.8)
-
Step 600
600
#4F67D7
oklch(55.6% 0.173 270.7)
-
Step 700
700
#4155BA
oklch(49.1% 0.16 270.9)
-
Step 800
800
#354697
oklch(42.7% 0.134 270.8)
-
Step 900
900
#2E3C78
oklch(37.8% 0.103 270.9)
-
Step 950
950
#1B2346
oklch(26.9% 0.066 271.6)
#AABBF0 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) | #ABBFF2 | 0.010 |
| Deuteranopia (no green cones) | #A5BAEF | 0.007 |
| Tritanopia (no blue cones) | #97C5CD | 0.070 |
| Achromatopsia (no color) | #BCBCBC | 0.078 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #AABBF0
#AABBF0
oklch(79.8% 0.078 270.8)
- #D0BC83
#D0BC83
oklch(79.9% 0.078 91)
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 #AABBF0, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Pastel Blue #A2BFFE ΔE 0.021
- Light Steel Blue #B0C4DE ΔE 0.042
- Cloudy Blue #ACC2D9 ΔE 0.043
- Carolina Blue #8AB8FE ΔE 0.045
- Light Periwinkle #C1C6FC ΔE 0.045
- Light Grey Blue #9DBCD4 ΔE 0.046
- Light Cornflower Blue #98C1D9 ΔE 0.048
- Baby Blue #A2CFFE ΔE 0.051
Use #AABBF0 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.