#ADB8EF
Closest named color: Pastel Blue (#A2BFFE). oklch(79.3% 0.079 275.7), rgb(173, 184, 239).
Aa
Black text reads best on this color (10.87:1).
About this color
#ADB8EF is a light, moderately saturated blue. In OKLCH its lightness is 79%, its chroma 0.079 and its hue 276°. Its hue sits on the cool side of the wheel. The nearest named color is Pastel Blue (#A2BFFE), ΔE 0.026 away. Black text reads best on it, at 10.87:1.
| Hue family | Blues |
| Lightness | light (79%) |
| Chroma | moderately saturated (0.079) |
| Temperature | cool |
| Nearest name | Pastel Blue (#A2BFFE) |
| Black text | 10.87:1 |
| White text | 1.93:1 |
Values
| HEX | #ADB8EF |
| RGB | rgb(173, 184, 239) |
| HSL | hsl(230, 67%, 81%) |
| OKLCH | oklch(79.3% 0.079 275.7) |
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 #ADB8EF | 1.93:1 | Fails | Lc -41.3 | Non-text elements, placeholder text |
| Black text on #ADB8EF | 10.87:1 | AAA | Lc 66.9 | Content text, not long reading |
| #ADB8EF text on white | 1.93:1 | Fails | Lc 37.0 | Non-text elements, placeholder text |
| #ADB8EF text on black | 10.87:1 | AAA | Lc -65.5 | 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
#F3F5FD
oklch(97.1% 0.011 274.9)
-
Step 100
100
#E5E9FA
oklch(93.6% 0.023 275.4)
-
Step 200
200
#D0D7F7
oklch(88.4% 0.045 275.7)
-
Step 300
300 (this color)
#ADB8EF
oklch(79.3% 0.079 275.7)
-
Step 400
400
#8B99EF
oklch(70.7% 0.127 275.7)
-
Step 500
500
#707DE9
oklch(63.1% 0.161 275.6)
-
Step 600
600
#5A63D8
oklch(55.6% 0.177 275.7)
-
Step 700
700
#4A52BB
oklch(49.2% 0.163 275.4)
-
Step 800
800
#3D4397
oklch(42.6% 0.136 275.9)
-
Step 900
900
#333A78
oklch(37.7% 0.105 275.3)
-
Step 950
950
#1E2247
oklch(27% 0.068 276.2)
#ADB8EF 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) | #A8BDF1 | 0.013 |
| Deuteranopia (no green cones) | #A4B8EE | 0.012 |
| Tritanopia (no blue cones) | #9CC2CB | 0.070 |
| Achromatopsia (no color) | #BBBBBB | 0.079 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #ADB8EF
#ADB8EF
oklch(79.3% 0.079 275.7)
- #CBBC81
#CBBC81
oklch(79.4% 0.079 95.6)
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 #ADB8EF, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Pastel Blue #A2BFFE ΔE 0.026
- Carolina Blue #8AB8FE ΔE 0.046
- Light Steel Blue #B0C4DE ΔE 0.047
- Cloudy Blue #ACC2D9 ΔE 0.048
- Light Periwinkle #C1C6FC ΔE 0.048
- Light Grey Blue #9DBCD4 ΔE 0.050
- Light Cornflower Blue #98C1D9 ΔE 0.053
- Pale Violet #CEAEFA ΔE 0.056
Use #ADB8EF 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.