#AABCFB
Closest named color: Pastel Blue (#A2BFFE). oklch(80.4% 0.092 271.9), rgb(170, 188, 251).
Aa
Black text reads best on this color (11.29:1).
About this color
#AABCFB is a light, moderately saturated blue. In OKLCH its lightness is 80%, its chroma 0.092 and its hue 272°. 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 11.29:1.
| Hue family | Blues |
| Lightness | light (80%) |
| Chroma | moderately saturated (0.092) |
| Temperature | cool |
| Nearest name | Pastel Blue (#A2BFFE) |
| Black text | 11.29:1 |
| White text | 1.85:1 |
Values
| HEX | #AABCFB |
| RGB | rgb(170, 188, 251) |
| HSL | hsl(227, 91%, 83%) |
| OKLCH | oklch(80.4% 0.092 271.9) |
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 #AABCFB | 1.85:1 | Fails | Lc -39.2 | Non-text elements, placeholder text |
| Black text on #AABCFB | 11.29:1 | AAA | Lc 68.8 | Content text, not long reading |
| #AABCFB text on white | 1.85:1 | Fails | Lc 35.0 | Non-text elements, placeholder text |
| #AABCFB text on black | 11.29:1 | AAA | Lc -67.5 | 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
#F2F5FE
oklch(97% 0.012 271.3)
-
Step 100
100
#E3E9FC
oklch(93.5% 0.027 271.9)
-
Step 200
200
#CDD8FC
oklch(88.5% 0.051 271.9)
-
Step 300
300 (this color)
#AABCFB
oklch(80.4% 0.092 271.9)
-
Step 400
400
#8199FC
oklch(70.8% 0.147 271.9)
-
Step 500
500
#647CF9
oklch(63.2% 0.187 271.8)
-
Step 600
600
#4E61E8
oklch(55.7% 0.203 271.9)
-
Step 700
700
#3F4FCA
oklch(49.1% 0.19 271.8)
-
Step 800
800
#3442A3
oklch(42.8% 0.156 271.8)
-
Step 900
900
#2C3981
oklch(37.7% 0.122 271.6)
-
Step 950
950
#1A224C
oklch(27.1% 0.078 272.1)
#AABCFB 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) | #A8C2FE | 0.015 |
| Deuteranopia (no green cones) | #A2BBF9 | 0.011 |
| Tritanopia (no blue cones) | #93C8D2 | 0.082 |
| Achromatopsia (no color) | #BEBEBE | 0.092 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #AABCFB
#AABCFB
oklch(80.4% 0.092 271.9)
- #D4BE79
#D4BE79
oklch(80.5% 0.092 92.4)
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 #AABCFB, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Pastel Blue #A2BFFE ΔE 0.012
- Carolina Blue #8AB8FE ΔE 0.041
- Light Periwinkle #C1C6FC ΔE 0.042
- Baby Blue #A2CFFE ΔE 0.049
- Light Steel Blue #B0C4DE ΔE 0.053
- Sky #82CAFC ΔE 0.054
- Cloudy Blue #ACC2D9 ΔE 0.056
- Pale Violet #CEAEFA ΔE 0.057
Use #AABCFB 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.