#ADB5EB
Closest named color: Pastel Blue (#A2BFFE). oklch(78.6% 0.077 277.9), rgb(173, 181, 235).
Aa
Black text reads best on this color (10.58:1).
About this color
#ADB5EB is a light, moderately saturated blue. In OKLCH its lightness is 79%, its chroma 0.077 and its hue 278°. Its hue sits on the cool side of the wheel. The nearest named color is Pastel Blue (#A2BFFE), ΔE 0.033 away. Black text reads best on it, at 10.58:1.
| Hue family | Blues |
| Lightness | light (79%) |
| Chroma | moderately saturated (0.077) |
| Temperature | cool |
| Nearest name | Pastel Blue (#A2BFFE) |
| Black text | 10.58:1 |
| White text | 1.98:1 |
Values
| HEX | #ADB5EB |
| RGB | rgb(173, 181, 235) |
| HSL | hsl(232, 61%, 80%) |
| OKLCH | oklch(78.6% 0.077 277.9) |
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 #ADB5EB | 1.98:1 | Fails | Lc -42.7 | Non-text elements, placeholder text |
| Black text on #ADB5EB | 10.58:1 | AAA | Lc 65.6 | Content text, not long reading |
| #ADB5EB text on white | 1.98:1 | Fails | Lc 38.3 | Non-text elements, placeholder text |
| #ADB5EB text on black | 10.58:1 | AAA | Lc -64.1 | 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
#F4F5FD
oklch(97.2% 0.011 280.5)
-
Step 100
100
#E6E9F9
oklch(93.6% 0.022 277.5)
-
Step 200
200
#D2D7F6
oklch(88.5% 0.043 278.2)
-
Step 300
300 (this color)
#ADB5EB
oklch(78.6% 0.077 277.9)
-
Step 400
400
#8F98ED
oklch(70.7% 0.124 278.1)
-
Step 500
500
#757CE7
oklch(63.1% 0.159 278)
-
Step 600
600
#5F63D5
oklch(55.7% 0.172 277.7)
-
Step 700
700
#4F51B8
oklch(49.1% 0.159 278)
-
Step 800
800
#404395
oklch(42.7% 0.132 277.7)
-
Step 900
900
#363977
oklch(37.6% 0.104 278.1)
-
Step 950
950
#1F2246
oklch(27% 0.066 277.4)
#ADB5EB 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) | #A6BAED | 0.015 |
| Deuteranopia (no green cones) | #A2B6EA | 0.015 |
| Tritanopia (no blue cones) | #9EBFC7 | 0.070 |
| Achromatopsia (no color) | #B8B8B8 | 0.077 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #ADB5EB
#ADB5EB
oklch(78.6% 0.077 277.9)
- #C6BA80
#C6BA80
oklch(78.5% 0.078 97.9)
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 #ADB5EB, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Pastel Blue #A2BFFE ΔE 0.033
- Carolina Blue #8AB8FE ΔE 0.048
- Light Grey Blue #9DBCD4 ΔE 0.048
- Cloudy Blue #ACC2D9 ΔE 0.050
- Light Steel Blue #B0C4DE ΔE 0.050
- Light Cornflower Blue #98C1D9 ΔE 0.054
- Light Periwinkle #C1C6FC ΔE 0.055
- Pale Violet #CEAEFA ΔE 0.056
Use #ADB5EB 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.