#AAAFD3
Closest named color: Light Grey Blue (#9DBCD4). oklch(76.2% 0.052 278.9), rgb(170, 175, 211).
Aa
Black text reads best on this color (9.78:1).
About this color
#AAAFD3 is a medium-light, muted blue. In OKLCH its lightness is 76%, its chroma 0.052 and its hue 279°. Its hue sits on the cool side of the wheel. The nearest named color is Light Grey Blue (#9DBCD4), ΔE 0.037 away. Black text reads best on it, at 9.78:1.
| Hue family | Blues |
| Lightness | medium-light (76%) |
| Chroma | muted (0.052) |
| Temperature | cool |
| Nearest name | Light Grey Blue (#9DBCD4) |
| Black text | 9.78:1 |
| White text | 2.14:1 |
Values
| HEX | #AAAFD3 |
| RGB | rgb(170, 175, 211) |
| HSL | hsl(233, 32%, 75%) |
| OKLCH | oklch(76.2% 0.052 278.9) |
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 #AAAFD3 | 2.14:1 | Fails | Lc -46.8 | Large or bold text, headings |
| Black text on #AAAFD3 | 9.78:1 | AAA | Lc 61.8 | Content text, not long reading |
| #AAAFD3 text on white | 2.14:1 | Fails | Lc 42.2 | Non-text elements, placeholder text |
| #AAAFD3 text on black | 9.78:1 | AAA | Lc -60.1 | Content text, not long reading |
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
#F4F5FA
oklch(97.1% 0.007 277.2)
-
Step 100
100
#E7E9F4
oklch(93.6% 0.015 277.8)
-
Step 200
200
#D4D8EC
oklch(88.5% 0.028 276.8)
-
Step 300
300 (this color)
#AAAFD3
oklch(76.2% 0.052 278.9)
-
Step 400
400
#959CD4
oklch(70.8% 0.082 278.6)
-
Step 500
500
#7C82C9
oklch(63.1% 0.107 279.2)
-
Step 600
600
#656BB5
oklch(55.6% 0.114 278.5)
-
Step 700
700
#54599C
oklch(49.2% 0.106 278.5)
-
Step 800
800
#45497F
oklch(42.8% 0.089 278.7)
-
Step 900
900
#3A3D66
oklch(37.7% 0.07 279.3)
-
Step 950
950
#22243C
oklch(27.1% 0.045 279.3)
#AAAFD3 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) | #A6B2D5 | 0.009 |
| Deuteranopia (no green cones) | #A3B0D2 | 0.010 |
| Tritanopia (no blue cones) | #A1B5BB | 0.045 |
| Achromatopsia (no color) | #B1B1B1 | 0.052 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #AAAFD3
#AAAFD3
oklch(76.2% 0.052 278.9)
- #BAB38D
#BAB38D
oklch(76.3% 0.052 98.8)
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 #AAAFD3, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Light Grey Blue #9DBCD4 ΔE 0.037
- French Gray #ADB5BD ΔE 0.041
- Light Cornflower Blue #98C1D9 ΔE 0.049
- Cloudy Blue #ACC2D9 ΔE 0.050
- Cool Steel #97A7B3 ΔE 0.056
- Light Steel Blue #B0C4DE ΔE 0.056
- Dark Gray #A9A9A9 ΔE 0.059
- Pastel Blue #A2BFFE ΔE 0.064
Use #AAAFD3 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.