#ADB3CF
Closest named color: French Gray (#ADB5BD). oklch(77.1% 0.04 275.9), rgb(173, 179, 207).
Aa
Black text reads best on this color (10.12:1).
About this color
#ADB3CF is a medium-light, muted blue. In OKLCH its lightness is 77%, its chroma 0.040 and its hue 276°. Its hue sits on the cool side of the wheel. The nearest named color is French Gray (#ADB5BD), ΔE 0.029 away. Black text reads best on it, at 10.12:1.
| Hue family | Blues |
| Lightness | medium-light (77%) |
| Chroma | muted (0.040) |
| Temperature | cool |
| Nearest name | French Gray (#ADB5BD) |
| Black text | 10.12:1 |
| White text | 2.07:1 |
Values
| HEX | #ADB3CF |
| RGB | rgb(173, 179, 207) |
| HSL | hsl(229, 26%, 75%) |
| OKLCH | oklch(77.1% 0.04 275.9) |
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 #ADB3CF | 2.07:1 | Fails | Lc -45.1 | Large or bold text, headings |
| Black text on #ADB3CF | 10.12:1 | AAA | Lc 63.4 | Content text, not long reading |
| #ADB3CF text on white | 2.07:1 | Fails | Lc 40.5 | Non-text elements, placeholder text |
| #ADB3CF text on black | 10.12:1 | AAA | Lc -61.8 | 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
#F4F5F9
oklch(97.1% 0.005 275)
-
Step 100
100
#E7E9F2
oklch(93.5% 0.012 276.1)
-
Step 200
200
#D5D8E8
oklch(88.5% 0.022 277.5)
-
Step 300
300 (this color)
#ADB3CF
oklch(77.1% 0.04 275.9)
-
Step 400
400
#959EC9
oklch(70.7% 0.064 275.4)
-
Step 500
500
#7B85BC
oklch(63% 0.084 275.8)
-
Step 600
600
#656EA8
oklch(55.5% 0.091 276.3)
-
Step 700
700
#545C90
oklch(49.1% 0.084 276.2)
-
Step 800
800
#454B75
oklch(42.7% 0.07 276.8)
-
Step 900
900
#3A3F5E
oklch(37.7% 0.053 276.5)
-
Step 950
950
#222537
oklch(27% 0.034 276.6)
#ADB3CF 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) | #ACB5D0 | 0.005 |
| Deuteranopia (no green cones) | #A9B3CE | 0.006 |
| Tritanopia (no blue cones) | #A5B8BC | 0.037 |
| Achromatopsia (no color) | #B4B4B4 | 0.040 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #ADB3CF
#ADB3CF
oklch(77.1% 0.04 275.9)
- #BCB598
#BCB598
oklch(77.1% 0.041 96)
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 #ADB3CF, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- French Gray #ADB5BD ΔE 0.029
- Light Grey Blue #9DBCD4 ΔE 0.029
- Cloudy Blue #ACC2D9 ΔE 0.038
- Light Cornflower Blue #98C1D9 ΔE 0.041
- Light Steel Blue #B0C4DE ΔE 0.045
- Dark Gray #A9A9A9 ΔE 0.054
- Silver #C0C0C0 ΔE 0.055
- Cool Steel #97A7B3 ΔE 0.057
Use #ADB3CF 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.