#A3B3CD
Closest named color: Light Grey Blue (#9DBCD4). oklch(76.3% 0.041 260.1), rgb(163, 179, 205).
Aa
Black text reads best on this color (9.88:1).
About this color
#A3B3CD is a medium-light, muted blue. In OKLCH its lightness is 76%, its chroma 0.041 and its hue 260°. Its hue sits on the cool side of the wheel. The nearest named color is Light Grey Blue (#9DBCD4), ΔE 0.023 away. Black text reads best on it, at 9.88:1.
| Hue family | Blues |
| Lightness | medium-light (76%) |
| Chroma | muted (0.041) |
| Temperature | cool |
| Nearest name | Light Grey Blue (#9DBCD4) |
| Black text | 9.88:1 |
| White text | 2.12:1 |
Values
| HEX | #A3B3CD |
| RGB | rgb(163, 179, 205) |
| HSL | hsl(217, 30%, 72%) |
| OKLCH | oklch(76.3% 0.041 260.1) |
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 #A3B3CD | 2.12:1 | Fails | Lc -46.3 | Large or bold text, headings |
| Black text on #A3B3CD | 9.88:1 | AAA | Lc 62.3 | Content text, not long reading |
| #A3B3CD text on white | 2.12:1 | Fails | Lc 41.7 | Non-text elements, placeholder text |
| #A3B3CD text on black | 9.88:1 | AAA | Lc -60.6 | 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
#F3F6F9
oklch(97.2% 0.005 247.9)
-
Step 100
100
#E5EAF2
oklch(93.6% 0.012 259.8)
-
Step 200
200
#D0DAE9
oklch(88.5% 0.023 258.4)
-
Step 300
300 (this color)
#A3B3CD
oklch(76.3% 0.041 260.1)
-
Step 400
400
#89A2CA
oklch(70.8% 0.065 259.7)
-
Step 500
500
#6B8ABD
oklch(63% 0.085 260.1)
-
Step 600
600
#5374A9
oklch(55.7% 0.091 259.6)
-
Step 700
700
#446191
oklch(49.2% 0.085 260.1)
-
Step 800
800
#384F76
oklch(42.7% 0.071 260.6)
-
Step 900
900
#30425F
oklch(37.7% 0.055 259.7)
-
Step 950
950
#1C2738
oklch(27.1% 0.035 258.9)
#A3B3CD 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) | #ABB4CE | 0.011 |
| Deuteranopia (no green cones) | #A6B0CC | 0.008 |
| Tritanopia (no blue cones) | #98B8BB | 0.037 |
| Achromatopsia (no color) | #B2B2B2 | 0.041 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #A3B3CD
#A3B3CD
oklch(76.3% 0.041 260.1)
- #C0B095
#C0B095
oklch(76.4% 0.041 80.8)
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 #A3B3CD, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Light Grey Blue #9DBCD4 ΔE 0.023
- French Gray #ADB5BD ΔE 0.028
- Light Cornflower Blue #98C1D9 ΔE 0.037
- Cloudy Blue #ACC2D9 ΔE 0.043
- Cool Steel #97A7B3 ΔE 0.048
- Dark Gray #A9A9A9 ΔE 0.050
- Light Steel Blue #B0C4DE ΔE 0.051
- Silver #C0C0C0 ΔE 0.061
Use #A3B3CD 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.