#AABBEF
Closest named color: Pastel Blue (#A2BFFE). oklch(79.7% 0.076 270.5), rgb(170, 187, 239).
Aa
Black text reads best on this color (11.06:1).
About this color
#AABBEF is a light, moderately saturated blue. In OKLCH its lightness is 80%, its chroma 0.076 and its hue 271°. Its hue sits on the cool side of the wheel. The nearest named color is Pastel Blue (#A2BFFE), ΔE 0.022 away. Black text reads best on it, at 11.06:1.
| Hue family | Blues |
| Lightness | light (80%) |
| Chroma | moderately saturated (0.076) |
| Temperature | cool |
| Nearest name | Pastel Blue (#A2BFFE) |
| Black text | 11.06:1 |
| White text | 1.89:1 |
Values
| HEX | #AABBEF |
| RGB | rgb(170, 187, 239) |
| HSL | hsl(225, 68%, 80%) |
| OKLCH | oklch(79.7% 0.076 270.5) |
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 #AABBEF | 1.89:1 | Fails | Lc -40.4 | Non-text elements, placeholder text |
| Black text on #AABBEF | 11.06:1 | AAA | Lc 67.8 | Content text, not long reading |
| #AABBEF text on white | 1.89:1 | Fails | Lc 36.1 | Non-text elements, placeholder text |
| #AABBEF text on black | 11.06:1 | 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
#E4E9F9
oklch(93.5% 0.022 272.1)
-
Step 200
200
#CED8F6
oklch(88.4% 0.043 270.9)
-
Step 300
300 (this color)
#AABBEF
oklch(79.7% 0.076 270.5)
-
Step 400
400
#849CED
oklch(70.8% 0.122 270.5)
-
Step 500
500
#6681E7
oklch(63.1% 0.156 270.3)
-
Step 600
600
#4F68D5
oklch(55.6% 0.169 270.3)
-
Step 700
700
#4156B9
oklch(49.2% 0.158 270.6)
-
Step 800
800
#354796
oklch(42.8% 0.131 270.3)
-
Step 900
900
#2E3C77
oklch(37.7% 0.102 270.8)
-
Step 950
950
#1B2446
oklch(27.1% 0.064 270.5)
#AABBEF 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) | #ABBFF1 | 0.010 |
| Deuteranopia (no green cones) | #A5B9EE | 0.009 |
| Tritanopia (no blue cones) | #98C5CD | 0.068 |
| Achromatopsia (no color) | #BCBCBC | 0.076 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #AABBEF
#AABBEF
oklch(79.7% 0.076 270.5)
- #D0BB84
#D0BB84
oklch(79.7% 0.076 89.5)
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 #AABBEF, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Pastel Blue #A2BFFE ΔE 0.022
- Light Steel Blue #B0C4DE ΔE 0.040
- Cloudy Blue #ACC2D9 ΔE 0.042
- Light Grey Blue #9DBCD4 ΔE 0.045
- Carolina Blue #8AB8FE ΔE 0.045
- Light Periwinkle #C1C6FC ΔE 0.046
- Light Cornflower Blue #98C1D9 ΔE 0.046
- Light Blue Grey #B7C9E2 ΔE 0.051
Use #AABBEF 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.