#AAAEC3
Closest named color: French Gray (#ADB5BD). oklch(75.4% 0.03 277.1), rgb(170, 174, 195).
Aa
Black text reads best on this color (9.55:1).
About this color
#AAAEC3 is a medium-light, muted blue. In OKLCH its lightness is 75%, its chroma 0.030 and its hue 277°. Its hue sits on the cool side of the wheel. The nearest named color is French Gray (#ADB5BD), ΔE 0.024 away. Black text reads best on it, at 9.55:1.
| Hue family | Blues |
| Lightness | medium-light (75%) |
| Chroma | muted (0.030) |
| Temperature | cool |
| Nearest name | French Gray (#ADB5BD) |
| Black text | 9.55:1 |
| White text | 2.19:1 |
Values
| HEX | #AAAEC3 |
| RGB | rgb(170, 174, 195) |
| HSL | hsl(230, 17%, 72%) |
| OKLCH | oklch(75.4% 0.03 277.1) |
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 #AAAEC3 | 2.19:1 | Fails | Lc -48.0 | Large or bold text, headings |
| Black text on #AAAEC3 | 9.55:1 | AAA | Lc 60.7 | Content text, not long reading |
| #AAAEC3 text on white | 2.19:1 | Fails | Lc 43.3 | Non-text elements, placeholder text |
| #AAAEC3 text on black | 9.55:1 | 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
#D7D9E0
oklch(88.6% 0.01 273.3)
-
Step 300
300
#BDC0CD
oklch(80.9% 0.018 275.6)
-
Step 400
400 (this color)
#AAAEC3
oklch(75.4% 0.03 277.1)
-
Step 500
500
#8388A1
oklch(63.1% 0.038 276.4)
-
Step 600
600
#6D718C
oklch(55.5% 0.042 278.3)
-
Step 700
700
#5B5F77
oklch(49.1% 0.039 277.5)
-
Step 800
800
#4A4E61
oklch(42.8% 0.032 275.7)
-
Step 900
900
#3E414F
oklch(37.8% 0.024 275.7)
-
Step 950
950
#24262E
oklch(27% 0.015 274.3)
#AAAEC3 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) | #A9B0C4 | 0.005 |
| Deuteranopia (no green cones) | #A7AEC2 | 0.004 |
| Tritanopia (no blue cones) | #A5B2B5 | 0.027 |
| Achromatopsia (no color) | #AFAFAF | 0.030 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #AAAEC3
#AAAEC3
oklch(75.4% 0.03 277.1)
- #B4B09A
#B4B09A
oklch(75.4% 0.031 98.6)
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 #AAAEC3, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- French Gray #ADB5BD ΔE 0.024
- Dark Gray #A9A9A9 ΔE 0.036
- Light Grey Blue #9DBCD4 ΔE 0.039
- Cool Steel #97A7B3 ΔE 0.039
- Light Cornflower Blue #98C1D9 ΔE 0.053
- Pinkish Grey #C8ACA9 ΔE 0.053
- Cloudy Blue #ACC2D9 ΔE 0.054
- Cool Grey #95A3A6 ΔE 0.056
Use #AAAEC3 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.