#A4AEC4
Closest named color: French Gray (#ADB5BD). oklch(75% 0.034 266.1), rgb(164, 174, 196).
Aa
Black text reads best on this color (9.43:1).
About this color
#A4AEC4 is a medium-light, muted blue. In OKLCH its lightness is 75%, its chroma 0.034 and its hue 266°. Its hue sits on the cool side of the wheel. The nearest named color is French Gray (#ADB5BD), ΔE 0.028 away. Black text reads best on it, at 9.43:1.
| Hue family | Blues |
| Lightness | medium-light (75%) |
| Chroma | muted (0.034) |
| Temperature | cool |
| Nearest name | French Gray (#ADB5BD) |
| Black text | 9.43:1 |
| White text | 2.22:1 |
Values
| HEX | #A4AEC4 |
| RGB | rgb(164, 174, 196) |
| HSL | hsl(221, 21%, 71%) |
| OKLCH | oklch(75% 0.034 266.1) |
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 #A4AEC4 | 2.22:1 | Fails | Lc -48.7 | Large or bold text, headings |
| Black text on #A4AEC4 | 9.43:1 | AAA | Lc 60.1 | Content text, not long reading |
| #A4AEC4 text on white | 2.22:1 | Fails | Lc 43.9 | Non-text elements, placeholder text |
| #A4AEC4 text on black | 9.43:1 | AAA | Lc -58.3 | 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
#E8EAEE
oklch(93.7% 0.006 264.5)
-
Step 200
200
#D5D9E1
oklch(88.5% 0.012 264.5)
-
Step 300
300
#BAC1CF
oklch(81% 0.021 264.4)
-
Step 400
400 (this color)
#A4AEC4
oklch(75% 0.034 266.1)
-
Step 500
500
#7D89A4
oklch(63% 0.043 266.3)
-
Step 600
600
#66738F
oklch(55.5% 0.046 265.4)
-
Step 700
700
#55607A
oklch(49% 0.044 266.9)
-
Step 800
800
#464F63
oklch(42.8% 0.035 265.9)
-
Step 900
900
#3B4151
oklch(37.6% 0.029 268.9)
-
Step 950
950
#22262F
oklch(26.9% 0.018 266.3)
#A4AEC4 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 | 0.005 |
| Deuteranopia (no green cones) | #A5ACC3 | 0.005 |
| Tritanopia (no blue cones) | #9DB2B5 | 0.030 |
| Achromatopsia (no color) | #AEAEAE | 0.034 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #A4AEC4
#A4AEC4
oklch(75% 0.034 266.1)
- #B7AD96
#B7AD96
oklch(75% 0.034 87.3)
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 #A4AEC4, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- French Gray #ADB5BD ΔE 0.028
- Cool Steel #97A7B3 ΔE 0.034
- Dark Gray #A9A9A9 ΔE 0.037
- Light Grey Blue #9DBCD4 ΔE 0.038
- Light Cornflower Blue #98C1D9 ΔE 0.051
- Cool Grey #95A3A6 ΔE 0.052
- Pewter #96A8A1 ΔE 0.055
- Cloudy Blue #ACC2D9 ΔE 0.056
Use #A4AEC4 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.