#A4AECB
Closest named color: French Gray (#ADB5BD). oklch(75.3% 0.043 270.3), rgb(164, 174, 203).
Aa
Black text reads best on this color (9.49:1).
About this color
#A4AECB is a medium-light, muted blue. In OKLCH its lightness is 75%, its chroma 0.043 and its hue 270°. Its hue sits on the cool side of the wheel. The nearest named color is French Gray (#ADB5BD), ΔE 0.035 away. Black text reads best on it, at 9.49:1.
| Hue family | Blues |
| Lightness | medium-light (75%) |
| Chroma | muted (0.043) |
| Temperature | cool |
| Nearest name | French Gray (#ADB5BD) |
| Black text | 9.49:1 |
| White text | 2.21:1 |
Values
| HEX | #A4AECB |
| RGB | rgb(164, 174, 203) |
| HSL | hsl(225, 27%, 72%) |
| OKLCH | oklch(75.3% 0.043 270.3) |
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 #A4AECB | 2.21:1 | Fails | Lc -48.3 | Large or bold text, headings |
| Black text on #A4AECB | 9.49:1 | AAA | Lc 60.4 | Content text, not long reading |
| #A4AECB text on white | 2.21:1 | Fails | Lc 43.6 | Non-text elements, placeholder text |
| #A4AECB text on black | 9.49:1 | AAA | Lc -58.6 | 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
#BAC0D3
oklch(80.9% 0.028 271.8)
-
Step 400
400 (this color)
#A4AECB
oklch(75.3% 0.043 270.3)
-
Step 500
500
#7C88AC
oklch(63% 0.056 270.4)
-
Step 600
600
#667297
oklch(55.7% 0.059 270.5)
-
Step 700
700
#545F81
oklch(49% 0.056 270.4)
-
Step 800
800
#454E69
oklch(42.7% 0.046 270.1)
-
Step 900
900
#3A4155
oklch(37.7% 0.036 269.6)
-
Step 950
950
#222632
oklch(27% 0.023 270.4)
#A4AECB 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) | #A6B0CC | 0.006 |
| Deuteranopia (no green cones) | #A3ADCA | 0.003 |
| Tritanopia (no blue cones) | #9BB3B7 | 0.039 |
| Achromatopsia (no color) | #AEAEAE | 0.043 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #A4AECB
#A4AECB
oklch(75.3% 0.043 270.3)
- #B9AE90
#B9AE90
oklch(75.2% 0.043 90.3)
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 #A4AECB, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- French Gray #ADB5BD ΔE 0.035
- Light Grey Blue #9DBCD4 ΔE 0.036
- Cool Steel #97A7B3 ΔE 0.041
- Dark Gray #A9A9A9 ΔE 0.047
- Light Cornflower Blue #98C1D9 ΔE 0.049
- Cloudy Blue #ACC2D9 ΔE 0.055
- Cool Grey #95A3A6 ΔE 0.060
- Bluegrey #85A3B2 ΔE 0.062
Use #A4AECB 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.