#ADB3CD
Closest named color: French Gray (#ADB5BD). oklch(77% 0.038 275.2), rgb(173, 179, 205).
Aa
Black text reads best on this color (10.10:1).
About this color
#ADB3CD is a medium-light, muted blue. In OKLCH its lightness is 77%, its chroma 0.038 and its hue 275°. Its hue sits on the cool side of the wheel. The nearest named color is French Gray (#ADB5BD), ΔE 0.026 away. Black text reads best on it, at 10.10:1.
| Hue family | Blues |
| Lightness | medium-light (77%) |
| Chroma | muted (0.038) |
| Temperature | cool |
| Nearest name | French Gray (#ADB5BD) |
| Black text | 10.10:1 |
| White text | 2.07:1 |
Values
| HEX | #ADB3CD |
| RGB | rgb(173, 179, 205) |
| HSL | hsl(229, 24%, 74%) |
| OKLCH | oklch(77% 0.038 275.2) |
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 #ADB3CD | 2.07:1 | Fails | Lc -45.2 | Large or bold text, headings |
| Black text on #ADB3CD | 10.10:1 | AAA | Lc 63.3 | Content text, not long reading |
| #ADB3CD text on white | 2.07:1 | Fails | Lc 40.6 | Non-text elements, placeholder text |
| #ADB3CD text on black | 10.10:1 | AAA | Lc -61.7 | 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
#E7E9F1
oklch(93.5% 0.011 274.9)
-
Step 200
200
#D5D8E7
oklch(88.4% 0.021 276.9)
-
Step 300
300 (this color)
#ADB3CD
oklch(77% 0.038 275.2)
-
Step 400
400
#959EC7
oklch(70.7% 0.061 275.1)
-
Step 500
500
#7C86B8
oklch(63.1% 0.076 275.3)
-
Step 600
600
#656FA4
oklch(55.6% 0.083 275.2)
-
Step 700
700
#545D8D
oklch(49.2% 0.078 275.1)
-
Step 800
800
#454C72
oklch(42.7% 0.064 275.4)
-
Step 900
900
#3A3F5C
oklch(37.6% 0.05 276.2)
-
Step 950
950
#222536
oklch(27% 0.032 276.3)
#ADB3CD 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) | #ACB5CE | 0.005 |
| Deuteranopia (no green cones) | #AAB3CC | 0.004 |
| Tritanopia (no blue cones) | #A6B8BB | 0.035 |
| Achromatopsia (no color) | #B4B4B4 | 0.038 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #ADB3CD
#ADB3CD
oklch(77% 0.038 275.2)
- #BCB59A
#BCB59A
oklch(77.2% 0.038 95.1)
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 #ADB3CD, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- French Gray #ADB5BD ΔE 0.026
- Light Grey Blue #9DBCD4 ΔE 0.029
- Cloudy Blue #ACC2D9 ΔE 0.039
- Light Cornflower Blue #98C1D9 ΔE 0.041
- Light Steel Blue #B0C4DE ΔE 0.046
- Dark Gray #A9A9A9 ΔE 0.052
- Silver #C0C0C0 ΔE 0.053
- Cool Steel #97A7B3 ΔE 0.055
Use #ADB3CD 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.