#ADB3CB
Closest named color: French Gray (#ADB5BD). oklch(77% 0.035 274.4), rgb(173, 179, 203).
Aa
Black text reads best on this color (10.08:1).
About this color
#ADB3CB is a medium-light, muted blue. In OKLCH its lightness is 77%, its chroma 0.035 and its hue 274°. Its hue sits on the cool side of the wheel. The nearest named color is French Gray (#ADB5BD), ΔE 0.023 away. Black text reads best on it, at 10.08:1.
| Hue family | Blues |
| Lightness | medium-light (77%) |
| Chroma | muted (0.035) |
| Temperature | cool |
| Nearest name | French Gray (#ADB5BD) |
| Black text | 10.08:1 |
| White text | 2.08:1 |
Values
| HEX | #ADB3CB |
| RGB | rgb(173, 179, 203) |
| HSL | hsl(228, 22%, 74%) |
| OKLCH | oklch(77% 0.035 274.4) |
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 #ADB3CB | 2.08:1 | Fails | Lc -45.3 | Large or bold text, headings |
| Black text on #ADB3CB | 10.08:1 | AAA | Lc 63.2 | Content text, not long reading |
| #ADB3CB text on white | 2.08:1 | Fails | Lc 40.7 | Non-text elements, placeholder text |
| #ADB3CB text on black | 10.08:1 | AAA | Lc -61.6 | 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
#F4F5F9
oklch(97.1% 0.005 275)
-
Step 100
100
#E8E9F1
oklch(93.6% 0.011 280.5)
-
Step 200
200
#D5D8E6
oklch(88.4% 0.019 276.3)
-
Step 300
300 (this color)
#ADB3CB
oklch(77% 0.035 274.4)
-
Step 400
400
#969FC4
oklch(70.8% 0.055 274.2)
-
Step 500
500
#7C86B5
oklch(63% 0.072 274.9)
-
Step 600
600
#6570A1
oklch(55.6% 0.077 273.9)
-
Step 700
700
#545D8A
oklch(49% 0.073 274.7)
-
Step 800
800
#454C70
oklch(42.6% 0.061 275.1)
-
Step 900
900
#3A405A
oklch(37.7% 0.045 274)
-
Step 950
950
#222535
oklch(26.9% 0.03 276)
#ADB3CB 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) | #ADB5CC | 0.005 |
| Deuteranopia (no green cones) | #ABB3CA | 0.003 |
| Tritanopia (no blue cones) | #A6B7BB | 0.031 |
| Achromatopsia (no color) | #B4B4B4 | 0.035 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #ADB3CB
#ADB3CB
oklch(77% 0.035 274.4)
- #BBB49C
#BBB49C
oklch(76.9% 0.034 93.6)
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 #ADB3CB, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- French Gray #ADB5BD ΔE 0.023
- Light Grey Blue #9DBCD4 ΔE 0.029
- Cloudy Blue #ACC2D9 ΔE 0.039
- Light Cornflower Blue #98C1D9 ΔE 0.042
- Light Steel Blue #B0C4DE ΔE 0.046
- Dark Gray #A9A9A9 ΔE 0.049
- Silver #C0C0C0 ΔE 0.052
- Cool Steel #97A7B3 ΔE 0.054
Use #ADB3CB 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.