#A4B3CA
Closest named color: French Gray (#ADB5BD). oklch(76.3% 0.037 258.9), rgb(164, 179, 202).
Aa
Black text reads best on this color (9.87:1).
About this color
#A4B3CA is a medium-light, muted blue. In OKLCH its lightness is 76%, its chroma 0.037 and its hue 259°. Its hue sits on the cool side of the wheel. The nearest named color is French Gray (#ADB5BD), ΔE 0.024 away. Black text reads best on it, at 9.87:1.
| Hue family | Blues |
| Lightness | medium-light (76%) |
| Chroma | muted (0.037) |
| Temperature | cool |
| Nearest name | French Gray (#ADB5BD) |
| Black text | 9.87:1 |
| White text | 2.12:1 |
Values
| HEX | #A4B3CA |
| RGB | rgb(164, 179, 202) |
| HSL | hsl(216, 26%, 72%) |
| OKLCH | oklch(76.3% 0.037 258.9) |
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 #A4B3CA | 2.12:1 | Fails | Lc -46.3 | Large or bold text, headings |
| Black text on #A4B3CA | 9.87:1 | AAA | Lc 62.3 | Content text, not long reading |
| #A4B3CA text on white | 2.12:1 | Fails | Lc 41.7 | Non-text elements, placeholder text |
| #A4B3CA text on black | 9.87:1 | AAA | Lc -60.5 | 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
#F3F6F9
oklch(97.2% 0.005 247.9)
-
Step 100
100
#E6EAF1
oklch(93.6% 0.01 261.8)
-
Step 200
200
#D1DAE7
oklch(88.5% 0.02 257.5)
-
Step 300
300 (this color)
#A4B3CA
oklch(76.3% 0.037 258.9)
-
Step 400
400
#8BA2C6
oklch(70.7% 0.059 259.3)
-
Step 500
500
#6E8BB8
oklch(63.2% 0.076 259)
-
Step 600
600
#5574A3
oklch(55.5% 0.082 258.5)
-
Step 700
700
#46618C
oklch(49% 0.077 259.4)
-
Step 800
800
#395072
oklch(42.8% 0.064 258)
-
Step 900
900
#31425C
oklch(37.6% 0.05 258.7)
-
Step 950
950
#1D2736
oklch(27% 0.031 258.3)
#A4B3CA 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) | #ACB4CB | 0.011 |
| Deuteranopia (no green cones) | #A8B0C9 | 0.009 |
| Tritanopia (no blue cones) | #9BB8BA | 0.033 |
| Achromatopsia (no color) | #B2B2B2 | 0.037 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #A4B3CA
#A4B3CA
oklch(76.3% 0.037 258.9)
- #BFB098
#BFB098
oklch(76.3% 0.037 79.6)
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 #A4B3CA, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- French Gray #ADB5BD ΔE 0.024
- Light Grey Blue #9DBCD4 ΔE 0.024
- Light Cornflower Blue #98C1D9 ΔE 0.038
- Cloudy Blue #ACC2D9 ΔE 0.043
- Cool Steel #97A7B3 ΔE 0.046
- Dark Gray #A9A9A9 ΔE 0.046
- Light Steel Blue #B0C4DE ΔE 0.051
- Silver #C0C0C0 ΔE 0.058
Use #A4B3CA 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.