#A9BBFB
Closest named color: Pastel Blue (#A2BFFE). oklch(80.2% 0.093 272), rgb(169, 187, 251).
Aa
Black text reads best on this color (11.18:1).
About this color
#A9BBFB is a light, moderately saturated blue. In OKLCH its lightness is 80%, its chroma 0.093 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 11.18:1.
| Hue family | Blues |
| Lightness | light (80%) |
| Chroma | moderately saturated (0.093) |
| Temperature | cool |
| Nearest name | Pastel Blue (#A2BFFE) |
| Black text | 11.18:1 |
| White text | 1.87:1 |
Values
| HEX | #A9BBFB |
| RGB | rgb(169, 187, 251) |
| HSL | hsl(227, 91%, 82%) |
| OKLCH | oklch(80.2% 0.093 272) |
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 #A9BBFB | 1.87:1 | Fails | Lc -39.7 | Non-text elements, placeholder text |
| Black text on #A9BBFB | 11.18:1 | AAA | Lc 68.4 | Content text, not long reading |
| #A9BBFB text on white | 1.87:1 | Fails | Lc 35.5 | Non-text elements, placeholder text |
| #A9BBFB text on black | 11.18:1 | AAA | Lc -67.0 | 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
#E3E9FD
oklch(93.5% 0.028 272.5)
-
Step 200
200
#CDD8FC
oklch(88.5% 0.051 271.9)
-
Step 300
300 (this color)
#A9BBFB
oklch(80.2% 0.093 272)
-
Step 400
400
#8199FD
oklch(70.8% 0.149 271.9)
-
Step 500
500
#647BFB
oklch(63.1% 0.191 272.1)
-
Step 600
600
#4E60EA
oklch(55.6% 0.207 272.1)
-
Step 700
700
#3F4ECB
oklch(49% 0.192 271.9)
-
Step 800
800
#3441A4
oklch(42.7% 0.159 272.1)
-
Step 900
900
#2C3882
oklch(37.6% 0.125 272.1)
-
Step 950
950
#1A224C
oklch(27.1% 0.078 272.1)
#A9BBFB 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) | #A7C1FE | 0.015 |
| Deuteranopia (no green cones) | #A0BAF9 | 0.012 |
| Tritanopia (no blue cones) | #92C7D1 | 0.083 |
| Achromatopsia (no color) | #BDBDBD | 0.093 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #A9BBFB
#A9BBFB
oklch(80.2% 0.093 272)
- #D4BD77
#D4BD77
oklch(80.2% 0.093 91.9)
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 #A9BBFB, 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 0.039
- Light Periwinkle #C1C6FC ΔE 0.045
- Baby Blue #A2CFFE ΔE 0.052
- Sky #82CAFC ΔE 0.055
- Light Steel Blue #B0C4DE ΔE 0.055
- Pale Violet #CEAEFA ΔE 0.057
- Cloudy Blue #ACC2D9 ΔE 0.058
Use #A9BBFB 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.