#AABBF4
Closest named color: Pastel Blue (#A2BFFE). oklch(79.9% 0.083 271.6), rgb(170, 187, 244).
Aa
Black text reads best on this color (11.12:1).
About this color
#AABBF4 is a light, moderately saturated blue. In OKLCH its lightness is 80%, its chroma 0.083 and its hue 272°. 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 11.12:1.
| Hue family | Blues |
| Lightness | light (80%) |
| Chroma | moderately saturated (0.083) |
| Temperature | cool |
| Nearest name | Pastel Blue (#A2BFFE) |
| Black text | 11.12:1 |
| White text | 1.88:1 |
Values
| HEX | #AABBF4 |
| RGB | rgb(170, 187, 244) |
| HSL | hsl(226, 77%, 81%) |
| OKLCH | oklch(79.9% 0.083 271.6) |
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 #AABBF4 | 1.88:1 | Fails | Lc -40.1 | Non-text elements, placeholder text |
| Black text on #AABBF4 | 11.12:1 | AAA | Lc 68.1 | Content text, not long reading |
| #AABBF4 text on white | 1.88:1 | Fails | Lc 35.8 | Non-text elements, placeholder text |
| #AABBF4 text on black | 11.12:1 | AAA | Lc -66.7 | 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
#E4E9FB
oklch(93.6% 0.025 273.5)
-
Step 200
200
#CED8F9
oklch(88.5% 0.047 272.1)
-
Step 300
300 (this color)
#AABBF4
oklch(79.9% 0.083 271.6)
-
Step 400
400
#839AF3
oklch(70.6% 0.133 271.7)
-
Step 500
500
#667EEF
oklch(63% 0.171 271.7)
-
Step 600
600
#4F65DE
oklch(55.7% 0.185 271.3)
-
Step 700
700
#4153C0
oklch(49.2% 0.171 271.5)
-
Step 800
800
#35449C
oklch(42.7% 0.144 271.6)
-
Step 900
900
#2D3B7C
oklch(37.8% 0.111 271)
-
Step 950
950
#1A2348
oklch(27% 0.07 270.8)
#AABBF4 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) | #A9C0F7 | 0.013 |
| Deuteranopia (no green cones) | #A4BAF3 | 0.008 |
| Tritanopia (no blue cones) | #96C6CE | 0.075 |
| Achromatopsia (no color) | #BDBDBD | 0.083 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #AABBF4
#AABBF4
oklch(79.9% 0.083 271.6)
- #D1BC7F
#D1BC7F
oklch(79.9% 0.083 91.2)
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 #AABBF4, 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 0.043
- Light Periwinkle #C1C6FC ΔE 0.044
- Light Steel Blue #B0C4DE ΔE 0.046
- Cloudy Blue #ACC2D9 ΔE 0.048
- Baby Blue #A2CFFE ΔE 0.050
- Light Grey Blue #9DBCD4 ΔE 0.052
- Light Cornflower Blue #98C1D9 ΔE 0.053
Use #AABBF4 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.