#AAB9FB
Closest named color: Pastel Blue (#A2BFFE). oklch(79.8% 0.095 274.2), rgb(170, 185, 251).
Aa
Black text reads best on this color (11.04:1).
About this color
#AAB9FB is a light, moderately saturated blue. In OKLCH its lightness is 80%, its chroma 0.095 and its hue 274°. Its hue sits on the cool side of the wheel. The nearest named color is Pastel Blue (#A2BFFE), ΔE 0.017 away. Black text reads best on it, at 11.04:1.
| Hue family | Blues |
| Lightness | light (80%) |
| Chroma | moderately saturated (0.095) |
| Temperature | cool |
| Nearest name | Pastel Blue (#A2BFFE) |
| Black text | 11.04:1 |
| White text | 1.90:1 |
Values
| HEX | #AAB9FB |
| RGB | rgb(170, 185, 251) |
| HSL | hsl(229, 91%, 83%) |
| OKLCH | oklch(79.8% 0.095 274.2) |
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 #AAB9FB | 1.90:1 | Fails | Lc -40.5 | Non-text elements, placeholder text |
| Black text on #AAB9FB | 11.04:1 | AAA | Lc 67.7 | Content text, not long reading |
| #AAB9FB text on white | 1.90:1 | Fails | Lc 36.2 | Non-text elements, placeholder text |
| #AAB9FB text on black | 11.04:1 | AAA | Lc -66.3 | 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
#F3F5FE
oklch(97.1% 0.012 276.1)
-
Step 100
100
#E4E9FD
oklch(93.6% 0.028 274.7)
-
Step 200
200
#CED7FD
oklch(88.4% 0.053 274.8)
-
Step 300
300 (this color)
#AAB9FB
oklch(79.8% 0.095 274.2)
-
Step 400
400
#8497FF
oklch(70.7% 0.153 274)
-
Step 500
500
#6979FD
oklch(63.2% 0.195 274.2)
-
Step 600
600
#535DEC
oklch(55.6% 0.212 274.1)
-
Step 700
700
#444BCD
oklch(49% 0.197 274.1)
-
Step 800
800
#383FA6
oklch(42.7% 0.163 274.2)
-
Step 900
900
#2F3783
oklch(37.6% 0.127 274.1)
-
Step 950
950
#1B214D
oklch(27% 0.081 273.9)
#AAB9FB 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) | #A5BFFE | 0.016 |
| Deuteranopia (no green cones) | #9FB9F9 | 0.014 |
| Tritanopia (no blue cones) | #94C6D0 | 0.086 |
| Achromatopsia (no color) | #BCBCBC | 0.095 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #AAB9FB
#AAB9FB
oklch(79.8% 0.095 274.2)
- #D1BD74
#D1BD74
oklch(79.9% 0.096 94.6)
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 #AAB9FB, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Pastel Blue #A2BFFE ΔE 0.017
- Carolina Blue #8AB8FE ΔE 0.039
- Light Periwinkle #C1C6FC ΔE 0.048
- Pale Violet #CEAEFA ΔE 0.054
- Baby Blue #A2CFFE ΔE 0.057
- Light Steel Blue #B0C4DE ΔE 0.059
- Sky #82CAFC ΔE 0.059
- Light Violet #D6B4FC ΔE 0.061
Use #AAB9FB 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.