#AAAEC4
Closest named color: French Gray (#ADB5BD). oklch(75.5% 0.032 277.4), rgb(170, 174, 196).
Aa
Black text reads best on this color (9.56:1).
About this color
#AAAEC4 is a medium-light, muted blue. In OKLCH its lightness is 75%, its chroma 0.032 and its hue 277°. Its hue sits on the cool side of the wheel. The nearest named color is French Gray (#ADB5BD), ΔE 0.025 away. Black text reads best on it, at 9.56:1.
| Hue family | Blues |
| Lightness | medium-light (75%) |
| Chroma | muted (0.032) |
| Temperature | cool |
| Nearest name | French Gray (#ADB5BD) |
| Black text | 9.56:1 |
| White text | 2.19:1 |
Values
| HEX | #AAAEC4 |
| RGB | rgb(170, 174, 196) |
| HSL | hsl(231, 18%, 72%) |
| OKLCH | oklch(75.5% 0.032 277.4) |
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 #AAAEC4 | 2.19:1 | Fails | Lc -48.0 | Large or bold text, headings |
| Black text on #AAAEC4 | 9.56:1 | AAA | Lc 60.7 | Content text, not long reading |
| #AAAEC4 text on white | 2.19:1 | Fails | Lc 43.2 | Non-text elements, placeholder text |
| #AAAEC4 text on black | 9.56:1 | AAA | Lc -58.9 | 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
#F5F5F7
oklch(97.1% 0.003 286.4)
-
Step 100
100
#E9E9EE
oklch(93.5% 0.007 286.3)
-
Step 200
200
#D7D9E1
oklch(88.6% 0.011 274.9)
-
Step 300
300
#BDC0CE
oklch(81% 0.02 276.3)
-
Step 400
400 (this color)
#AAAEC4
oklch(75.5% 0.032 277.4)
-
Step 500
500
#8388A2
oklch(63.2% 0.039 276.6)
-
Step 600
600
#6D718D
oklch(55.6% 0.044 278.5)
-
Step 700
700
#5B5F78
oklch(49.2% 0.04 277.7)
-
Step 800
800
#4A4D62
oklch(42.6% 0.035 278.4)
-
Step 900
900
#3E4050
oklch(37.6% 0.027 279.4)
-
Step 950
950
#24262F
oklch(27% 0.017 275.4)
#AAAEC4 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) | #A8B0C5 | 0.005 |
| Deuteranopia (no green cones) | #A7AEC3 | 0.004 |
| Tritanopia (no blue cones) | #A4B2B5 | 0.029 |
| Achromatopsia (no color) | #AFAFAF | 0.032 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #AAAEC4
#AAAEC4
oklch(75.5% 0.032 277.4)
- #B5B099
#B5B099
oklch(75.5% 0.032 97)
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 #AAAEC4, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- French Gray #ADB5BD ΔE 0.025
- Dark Gray #A9A9A9 ΔE 0.037
- Light Grey Blue #9DBCD4 ΔE 0.039
- Cool Steel #97A7B3 ΔE 0.040
- Light Cornflower Blue #98C1D9 ΔE 0.052
- Cloudy Blue #ACC2D9 ΔE 0.054
- Pinkish Grey #C8ACA9 ΔE 0.054
- Cool Grey #95A3A6 ΔE 0.057
Use #AAAEC4 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.