#AABFF9
Closest named color: Pastel Blue (#A2BFFE). oklch(80.9% 0.086 269), rgb(170, 191, 249).
Aa
Black text reads best on this color (11.52:1).
About this color
#AABFF9 is a light, moderately saturated blue. In OKLCH its lightness is 81%, its chroma 0.086 and its hue 269°. Its hue sits on the cool side of the wheel. The nearest named color is Pastel Blue (#A2BFFE), ΔE 0.012 away. Black text reads best on it, at 11.52:1.
| Hue family | Blues |
| Lightness | light (81%) |
| Chroma | moderately saturated (0.086) |
| Temperature | cool |
| Nearest name | Pastel Blue (#A2BFFE) |
| Black text | 11.52:1 |
| White text | 1.82:1 |
Values
| HEX | #AABFF9 |
| RGB | rgb(170, 191, 249) |
| HSL | hsl(224, 87%, 82%) |
| OKLCH | oklch(80.9% 0.086 269) |
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 #AABFF9 | 1.82:1 | Fails | Lc -38.1 | Non-text elements, placeholder text |
| Black text on #AABFF9 | 11.52:1 | AAA | Lc 69.9 | Content text, not long reading |
| #AABFF9 text on white | 1.82:1 | Fails | Lc 34.0 | Non-text elements, placeholder text |
| #AABFF9 text on black | 11.52:1 | AAA | Lc -68.6 | 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
#F2F5FD
oklch(97% 0.011 269.6)
-
Step 100
100
#E3EAFB
oklch(93.7% 0.024 267.9)
-
Step 200
200
#CCD9FA
oklch(88.6% 0.048 268.4)
-
Step 300
300 (this color)
#AABFF9
oklch(80.9% 0.086 269)
-
Step 400
400
#7E9BF6
oklch(70.7% 0.137 269.3)
-
Step 500
500
#5F7FF2
oklch(63% 0.175 269.2)
-
Step 600
600
#4866E1
oklch(55.7% 0.19 269)
-
Step 700
700
#3A53C3
oklch(49% 0.177 269.3)
-
Step 800
800
#2F459E
oklch(42.7% 0.147 268.9)
-
Step 900
900
#293B7D
oklch(37.6% 0.114 268.9)
-
Step 950
950
#182349
oklch(26.9% 0.072 269)
#AABFF9 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) | #ADC4FC | 0.014 |
| Deuteranopia (no green cones) | #A6BDF8 | 0.008 |
| Tritanopia (no blue cones) | #94CAD3 | 0.076 |
| Achromatopsia (no color) | #C0C0C0 | 0.086 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #AABFF9
#AABFF9
oklch(80.9% 0.086 269)
- #D7BE80
#D7BE80
oklch(80.9% 0.085 88.4)
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 #AABFF9, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Pastel Blue #A2BFFE ΔE 0.012
- Light Periwinkle #C1C6FC ΔE 0.037
- Baby Blue #A2CFFE ΔE 0.041
- Light Steel Blue #B0C4DE ΔE 0.045
- Carolina Blue #8AB8FE ΔE 0.046
- Sky #82CAFC ΔE 0.049
- Cloudy Blue #ACC2D9 ΔE 0.049
- Light Blue Grey #B7C9E2 ΔE 0.051
Use #AABFF9 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.