#A0AEC4
Closest named color: French Gray (#ADB5BD). oklch(74.7% 0.035 259.4), rgb(160, 174, 196).
Aa
Black text reads best on this color (9.34:1).
About this color
#A0AEC4 is a medium-light, muted blue. In OKLCH its lightness is 75%, its chroma 0.035 and its hue 259°. Its hue sits on the cool side of the wheel. The nearest named color is French Gray (#ADB5BD), ΔE 0.031 away. Black text reads best on it, at 9.34:1.
| Hue family | Blues |
| Lightness | medium-light (75%) |
| Chroma | muted (0.035) |
| Temperature | cool |
| Nearest name | French Gray (#ADB5BD) |
| Black text | 9.34:1 |
| White text | 2.24:1 |
Values
| HEX | #A0AEC4 |
| RGB | rgb(160, 174, 196) |
| HSL | hsl(217, 23%, 70%) |
| OKLCH | oklch(74.7% 0.035 259.4) |
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 #A0AEC4 | 2.24:1 | Fails | Lc -49.1 | Large or bold text, headings |
| Black text on #A0AEC4 | 9.34:1 | AAA | Lc 59.7 | Large or bold text, headings |
| #A0AEC4 text on white | 2.24:1 | Fails | Lc 44.3 | Non-text elements, placeholder text |
| #A0AEC4 text on black | 9.34:1 | AAA | Lc -57.8 | 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
#F4F5F7
oklch(97% 0.003 264.5)
-
Step 100
100
#E7EAEE
oklch(93.6% 0.006 255.5)
-
Step 200
200
#D4D9E1
oklch(88.4% 0.012 259.8)
-
Step 300
300
#B8C1CF
oklch(80.8% 0.022 259.2)
-
Step 400
400 (this color)
#A0AEC4
oklch(74.7% 0.035 259.4)
-
Step 500
500
#798AA5
oklch(63% 0.045 259.6)
-
Step 600
600
#627491
oklch(55.5% 0.05 259.9)
-
Step 700
700
#51617B
oklch(49% 0.046 260)
-
Step 800
800
#435064
oklch(42.8% 0.037 258.9)
-
Step 900
900
#384252
oklch(37.7% 0.031 259.7)
-
Step 950
950
#212730
oklch(27.1% 0.019 258.4)
#A0AEC4 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) | #A7AFC5 | 0.010 |
| Deuteranopia (no green cones) | #A3ABC3 | 0.008 |
| Tritanopia (no blue cones) | #97B2B5 | 0.031 |
| Achromatopsia (no color) | #ADADAD | 0.035 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #A0AEC4
#A0AEC4
oklch(74.7% 0.035 259.4)
- #B9AB94
#B9AB94
oklch(74.7% 0.036 80.2)
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 #A0AEC4, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- French Gray #ADB5BD ΔE 0.031
- Cool Steel #97A7B3 ΔE 0.031
- Dark Gray #A9A9A9 ΔE 0.038
- Light Grey Blue #9DBCD4 ΔE 0.038
- Cool Grey #95A3A6 ΔE 0.050
- Light Cornflower Blue #98C1D9 ΔE 0.051
- Pewter #96A8A1 ΔE 0.052
- Bluegrey #85A3B2 ΔE 0.053
Use #A0AEC4 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.