#AABBFF
Closest named color: Pastel Blue (#A2BFFE). oklch(80.4% 0.098 273.2), rgb(170, 187, 255).
Aa
Black text reads best on this color (11.26:1).
About this color
#AABBFF is a light, moderately saturated blue. In OKLCH its lightness is 80%, its chroma 0.098 and its hue 273°. Its hue sits on the cool side of the wheel. The nearest named color is Pastel Blue (#A2BFFE), ΔE 0.014 away. Black text reads best on it, at 11.26:1.
| Hue family | Blues |
| Lightness | light (80%) |
| Chroma | moderately saturated (0.098) |
| Temperature | cool |
| Nearest name | Pastel Blue (#A2BFFE) |
| Black text | 11.26:1 |
| White text | 1.86:1 |
Values
| HEX | #AABBFF |
| RGB | rgb(170, 187, 255) |
| HSL | hsl(228, 100%, 83%) |
| OKLCH | oklch(80.4% 0.098 273.2) |
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 #AABBFF | 1.86:1 | Fails | Lc -39.4 | Non-text elements, placeholder text |
| Black text on #AABBFF | 11.26:1 | AAA | Lc 68.7 | Content text, not long reading |
| #AABBFF text on white | 1.86:1 | Fails | Lc 35.2 | Non-text elements, placeholder text |
| #AABBFF text on black | 11.26:1 | AAA | Lc -67.3 | 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
#F2F5FF
oklch(97.1% 0.014 272.7)
-
Step 100
100
#E3E9FE
oklch(93.6% 0.029 273.1)
-
Step 200
200
#CDD7FE
oklch(88.4% 0.055 273.9)
-
Step 300
300 (this color)
#AABBFF
oklch(80.4% 0.098 273.2)
-
Step 400
400
#8297FF
oklch(70.6% 0.154 273.2)
-
Step 500
500
#6679FF
oklch(63.1% 0.198 273.3)
-
Step 600
600
#505CF0
oklch(55.6% 0.219 273.3)
-
Step 700
700
#414BD1
oklch(49.2% 0.203 273)
-
Step 800
800
#353EA9
oklch(42.6% 0.169 273.1)
-
Step 900
900
#2D3786
oklch(37.8% 0.131 272.9)
-
Step 950
950
#1A214E
oklch(27% 0.083 273)
#AABBFF 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) | #A6C1FF | 0.016 |
| Deuteranopia (no green cones) | #9FBBFD | 0.014 |
| Tritanopia (no blue cones) | #92C8D3 | 0.087 |
| Achromatopsia (no color) | #BEBEBE | 0.098 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #AABBFF
#AABBFF
oklch(80.4% 0.098 273.2)
- #D4BE73
#D4BE73
oklch(80.4% 0.098 93.6)
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 #AABBFF, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Pastel Blue #A2BFFE ΔE 0.014
- Carolina Blue #8AB8FE ΔE 0.040
- Light Periwinkle #C1C6FC ΔE 0.045
- Baby Blue #A2CFFE ΔE 0.053
- Pale Violet #CEAEFA ΔE 0.055
- Sky #82CAFC ΔE 0.057
- Light Steel Blue #B0C4DE ΔE 0.060
- Light Violet #D6B4FC ΔE 0.061
Use #AABBFF 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.