#ADB9DB
Closest named color: Light Grey Blue (#9DBCD4). oklch(78.8% 0.05 269.9), rgb(173, 185, 219).
Aa
Black text reads best on this color (10.73:1).
About this color
#ADB9DB is a light, muted blue. In OKLCH its lightness is 79%, its chroma 0.050 and its hue 270°. Its hue sits on the cool side of the wheel. The nearest named color is Light Grey Blue (#9DBCD4), ΔE 0.025 away. Black text reads best on it, at 10.73:1.
| Hue family | Blues |
| Lightness | light (79%) |
| Chroma | muted (0.050) |
| Temperature | cool |
| Nearest name | Light Grey Blue (#9DBCD4) |
| Black text | 10.73:1 |
| White text | 1.95:1 |
Values
| HEX | #ADB9DB |
| RGB | rgb(173, 185, 219) |
| HSL | hsl(224, 39%, 77%) |
| OKLCH | oklch(78.8% 0.05 269.9) |
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 #ADB9DB | 1.95:1 | Fails | Lc -42.0 | Non-text elements, placeholder text |
| Black text on #ADB9DB | 10.73:1 | AAA | Lc 66.3 | Content text, not long reading |
| #ADB9DB text on white | 1.95:1 | Fails | Lc 37.6 | Non-text elements, placeholder text |
| #ADB9DB text on black | 10.73:1 | AAA | Lc -64.8 | 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
#F4F5FA
oklch(97.1% 0.007 277.2)
-
Step 100
100
#E6EAF4
oklch(93.7% 0.014 268.5)
-
Step 200
200
#D2D9EC
oklch(88.6% 0.027 269.6)
-
Step 300
300 (this color)
#ADB9DB
oklch(78.8% 0.05 269.9)
-
Step 400
400
#8D9FD3
oklch(70.8% 0.079 269.6)
-
Step 500
500
#7186C8
oklch(63.1% 0.103 269.8)
-
Step 600
600
#5A6FB5
oklch(55.7% 0.112 269.9)
-
Step 700
700
#4A5C9B
oklch(49% 0.103 270.2)
-
Step 800
800
#3D4C7E
oklch(42.8% 0.085 269.9)
-
Step 900
900
#343F65
oklch(37.6% 0.067 270.7)
-
Step 950
950
#1E253B
oklch(26.9% 0.042 269.9)
#ADB9DB 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) | #AFBBDD | 0.006 |
| Deuteranopia (no green cones) | #ABB8DA | 0.004 |
| Tritanopia (no blue cones) | #A2BFC4 | 0.045 |
| Achromatopsia (no color) | #B9B9B9 | 0.050 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #ADB9DB
#ADB9DB
oklch(78.8% 0.05 269.9)
- #C6B996
#C6B996
oklch(78.8% 0.05 90.1)
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 #ADB9DB, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Light Grey Blue #9DBCD4 ΔE 0.025
- Cloudy Blue #ACC2D9 ΔE 0.025
- Light Steel Blue #B0C4DE ΔE 0.029
- Light Cornflower Blue #98C1D9 ΔE 0.033
- French Gray #ADB5BD ΔE 0.042
- Light Blue Grey #B7C9E2 ΔE 0.045
- Pastel Blue #A2BFFE ΔE 0.049
- Silver #C0C0C0 ΔE 0.054
Use #ADB9DB 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.