#ADB8EB
Closest named color: Pastel Blue (#A2BFFE). oklch(79.2% 0.074 275.1), rgb(173, 184, 235).
Aa
Black text reads best on this color (10.83:1).
About this color
#ADB8EB is a light, moderately saturated blue. In OKLCH its lightness is 79%, its chroma 0.074 and its hue 275°. Its hue sits on the cool side of the wheel. The nearest named color is Pastel Blue (#A2BFFE), ΔE 0.030 away. Black text reads best on it, at 10.83:1.
| Hue family | Blues |
| Lightness | light (79%) |
| Chroma | moderately saturated (0.074) |
| Temperature | cool |
| Nearest name | Pastel Blue (#A2BFFE) |
| Black text | 10.83:1 |
| White text | 1.93:1 |
Values
| HEX | #ADB8EB |
| RGB | rgb(173, 184, 235) |
| HSL | hsl(229, 61%, 80%) |
| OKLCH | oklch(79.2% 0.074 275.1) |
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 #ADB8EB | 1.93:1 | Fails | Lc -41.5 | Non-text elements, placeholder text |
| Black text on #ADB8EB | 10.83:1 | AAA | Lc 66.7 | Content text, not long reading |
| #ADB8EB text on white | 1.93:1 | Fails | Lc 37.2 | Non-text elements, placeholder text |
| #ADB8EB text on black | 10.83:1 | AAA | Lc -65.3 | 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
#F3F5FC
oklch(97.1% 0.01 273.4)
-
Step 100
100
#E5E9F9
oklch(93.6% 0.022 274.7)
-
Step 200
200
#D1D8F5
oklch(88.6% 0.041 274.8)
-
Step 300
300 (this color)
#ADB8EB
oklch(79.2% 0.074 275.1)
-
Step 400
400
#8B9AEA
oklch(70.7% 0.118 274.9)
-
Step 500
500
#707FE3
oklch(63.1% 0.15 274.8)
-
Step 600
600
#5A66D1
oklch(55.6% 0.163 275)
-
Step 700
700
#4A54B5
oklch(49.1% 0.152 274.9)
-
Step 800
800
#3D4592
oklch(42.6% 0.125 275.3)
-
Step 900
900
#333B75
oklch(37.7% 0.099 274.8)
-
Step 950
950
#1E2344
oklch(27% 0.061 275)
#ADB8EB 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) | #A9BDED | 0.013 |
| Deuteranopia (no green cones) | #A5B8EA | 0.011 |
| Tritanopia (no blue cones) | #9DC1C9 | 0.066 |
| Achromatopsia (no color) | #BABABA | 0.074 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #ADB8EB
#ADB8EB
oklch(79.2% 0.074 275.1)
- #CABB85
#CABB85
oklch(79.2% 0.073 94.4)
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 #ADB8EB, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Pastel Blue #A2BFFE ΔE 0.030
- Light Steel Blue #B0C4DE ΔE 0.042
- Cloudy Blue #ACC2D9 ΔE 0.043
- Light Grey Blue #9DBCD4 ΔE 0.044
- Light Cornflower Blue #98C1D9 ΔE 0.048
- Carolina Blue #8AB8FE ΔE 0.049
- Light Periwinkle #C1C6FC ΔE 0.050
- Light Blue Grey #B7C9E2 ΔE 0.054
Use #ADB8EB 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.