#AAAFCC
Closest named color: French Gray (#ADB5BD). oklch(76% 0.042 277.6), rgb(170, 175, 204).
Aa
Black text reads best on this color (9.71:1).
About this color
#AAAFCC is a medium-light, muted blue. In OKLCH its lightness is 76%, its chroma 0.042 and its hue 278°. Its hue sits on the cool side of the wheel. The nearest named color is French Gray (#ADB5BD), ΔE 0.032 away. Black text reads best on it, at 9.71:1.
| Hue family | Blues |
| Lightness | medium-light (76%) |
| Chroma | muted (0.042) |
| Temperature | cool |
| Nearest name | French Gray (#ADB5BD) |
| Black text | 9.71:1 |
| White text | 2.16:1 |
Values
| HEX | #AAAFCC |
| RGB | rgb(170, 175, 204) |
| HSL | hsl(231, 25%, 73%) |
| OKLCH | oklch(76% 0.042 277.6) |
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 #AAAFCC | 2.16:1 | Fails | Lc -47.2 | Large or bold text, headings |
| Black text on #AAAFCC | 9.71:1 | AAA | Lc 61.5 | Content text, not long reading |
| #AAAFCC text on white | 2.16:1 | Fails | Lc 42.5 | Non-text elements, placeholder text |
| #AAAFCC text on black | 9.71:1 | AAA | Lc -59.7 | 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 300.
-
Step 50
50
#F4F5F9
oklch(97.1% 0.005 275)
-
Step 100
100
#E8E9F2
oklch(93.6% 0.012 281.1)
-
Step 200
200
#D5D8E9
oklch(88.5% 0.023 277.9)
-
Step 300
300 (this color)
#AAAFCC
oklch(76% 0.042 277.6)
-
Step 400
400
#969DCB
oklch(70.7% 0.068 277.8)
-
Step 500
500
#7D85BD
oklch(63.2% 0.085 277.4)
-
Step 600
600
#666EA9
oklch(55.7% 0.092 277.1)
-
Step 700
700
#555B91
oklch(49% 0.087 277.9)
-
Step 800
800
#464B76
oklch(42.8% 0.071 277.9)
-
Step 900
900
#3A3F5F
oklch(37.8% 0.055 276.6)
-
Step 950
950
#222538
oklch(27.1% 0.036 276.8)
#AAAFCC 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) | #A7B2CD | 0.008 |
| Deuteranopia (no green cones) | #A6AFCB | 0.006 |
| Tritanopia (no blue cones) | #A3B4B8 | 0.038 |
| Achromatopsia (no color) | #B0B0B0 | 0.042 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #AAAFCC
#AAAFCC
oklch(76% 0.042 277.6)
- #B8B294
#B8B294
oklch(76.1% 0.042 97.9)
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 #AAAFCC, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- French Gray #ADB5BD ΔE 0.032
- Light Grey Blue #9DBCD4 ΔE 0.035
- Cool Steel #97A7B3 ΔE 0.048
- Light Cornflower Blue #98C1D9 ΔE 0.049
- Dark Gray #A9A9A9 ΔE 0.049
- Cloudy Blue #ACC2D9 ΔE 0.050
- Light Steel Blue #B0C4DE ΔE 0.057
- Pinkish Grey #C8ACA9 ΔE 0.061
Use #AAAFCC 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.