#A3AECA
Closest named color: French Gray (#ADB5BD). oklch(75.1% 0.042 268.4), rgb(163, 174, 202).
Aa
Black text reads best on this color (9.46:1).
About this color
#A3AECA is a medium-light, muted blue. In OKLCH its lightness is 75%, its chroma 0.042 and its hue 268°. Its hue sits on the cool side of the wheel. The nearest named color is French Gray (#ADB5BD), ΔE 0.034 away. Black text reads best on it, at 9.46:1.
| Hue family | Blues |
| Lightness | medium-light (75%) |
| Chroma | muted (0.042) |
| Temperature | cool |
| Nearest name | French Gray (#ADB5BD) |
| Black text | 9.46:1 |
| White text | 2.21:1 |
Values
| HEX | #A3AECA |
| RGB | rgb(163, 174, 202) |
| HSL | hsl(223, 27%, 72%) |
| OKLCH | oklch(75.1% 0.042 268.4) |
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 #A3AECA | 2.21:1 | Fails | Lc -48.5 | Large or bold text, headings |
| Black text on #A3AECA | 9.46:1 | AAA | Lc 60.3 | Content text, not long reading |
| #A3AECA text on white | 2.21:1 | Fails | Lc 43.7 | Non-text elements, placeholder text |
| #A3AECA text on black | 9.46:1 | AAA | Lc -58.4 | Large or bold text, headings |
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 400.
-
Step 50
50
#F4F5F8
oklch(97% 0.004 271.4)
-
Step 100
100
#E8EAEF
oklch(93.7% 0.007 268.5)
-
Step 200
200
#D5D9E3
oklch(88.5% 0.014 268.5)
-
Step 300
300
#B9C0D2
oklch(80.8% 0.026 268.8)
-
Step 400
400 (this color)
#A3AECA
oklch(75.1% 0.042 268.4)
-
Step 500
500
#7C89AB
oklch(63.2% 0.054 268.5)
-
Step 600
600
#657296
oklch(55.5% 0.058 269.1)
-
Step 700
700
#546080
oklch(49.2% 0.054 268.5)
-
Step 800
800
#444E68
oklch(42.6% 0.045 268.1)
-
Step 900
900
#3A4155
oklch(37.7% 0.036 269.6)
-
Step 950
950
#222632
oklch(27% 0.023 270.4)
#A3AECA 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) | #A6B0CB | 0.007 |
| Deuteranopia (no green cones) | #A3ADC9 | 0.003 |
| Tritanopia (no blue cones) | #9AB3B7 | 0.037 |
| Achromatopsia (no color) | #AEAEAE | 0.042 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #A3AECA
#A3AECA
oklch(75.1% 0.042 268.4)
- #B9AD90
#B9AD90
oklch(75% 0.042 88.2)
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 #A3AECA, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- French Gray #ADB5BD ΔE 0.034
- Light Grey Blue #9DBCD4 ΔE 0.036
- Cool Steel #97A7B3 ΔE 0.039
- Dark Gray #A9A9A9 ΔE 0.045
- Light Cornflower Blue #98C1D9 ΔE 0.049
- Cloudy Blue #ACC2D9 ΔE 0.055
- Cool Grey #95A3A6 ΔE 0.058
- Bluegrey #85A3B2 ΔE 0.060
Use #A3AECA 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.