#AAAFDB
Closest named color: Light Grey Blue (#9DBCD4). oklch(76.5% 0.063 279.7), rgb(170, 175, 219).
Aa
Black text reads best on this color (9.86:1).
About this color
#AAAFDB is a medium-light, muted blue. In OKLCH its lightness is 77%, its chroma 0.063 and its hue 280°. Its hue sits on the cool side of the wheel. The nearest named color is Light Grey Blue (#9DBCD4), ΔE 0.042 away. Black text reads best on it, at 9.86:1.
| Hue family | Blues |
| Lightness | medium-light (77%) |
| Chroma | muted (0.063) |
| Temperature | cool |
| Nearest name | Light Grey Blue (#9DBCD4) |
| Black text | 9.86:1 |
| White text | 2.12:1 |
Values
| HEX | #AAAFDB |
| RGB | rgb(170, 175, 219) |
| HSL | hsl(234, 40%, 76%) |
| OKLCH | oklch(76.5% 0.063 279.7) |
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 #AAAFDB | 2.12:1 | Fails | Lc -46.4 | Large or bold text, headings |
| Black text on #AAAFDB | 9.86:1 | AAA | Lc 62.2 | Content text, not long reading |
| #AAAFDB text on white | 2.12:1 | Fails | Lc 41.8 | Non-text elements, placeholder text |
| #AAAFDB text on black | 9.86:1 | AAA | Lc -60.5 | 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
#F4F5FB
oklch(97.1% 0.008 278.6)
-
Step 100
100
#E7E9F6
oklch(93.6% 0.018 279.1)
-
Step 200
200
#D4D7F1
oklch(88.5% 0.036 280.4)
-
Step 300
300 (this color)
#AAAFDB
oklch(76.5% 0.063 279.7)
-
Step 400
400
#949ADF
oklch(70.8% 0.101 279.7)
-
Step 500
500
#7B7FD6
oklch(63.1% 0.13 280)
-
Step 600
600
#6467C3
oklch(55.6% 0.14 279.4)
-
Step 700
700
#5455A8
oklch(49.1% 0.13 280)
-
Step 800
800
#444688
oklch(42.7% 0.107 279.5)
-
Step 900
900
#393B6D
oklch(37.6% 0.084 279.8)
-
Step 950
950
#212340
oklch(27% 0.054 279.2)
#AAAFDB 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) | #A3B3DD | 0.013 |
| Deuteranopia (no green cones) | #A1B0DA | 0.012 |
| Tritanopia (no blue cones) | #9FB7BE | 0.056 |
| Achromatopsia (no color) | #B2B2B2 | 0.063 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #AAAFDB
#AAAFDB
oklch(76.5% 0.063 279.7)
- #BCB486
#BCB486
oklch(76.5% 0.063 99.4)
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 #AAAFDB, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Light Grey Blue #9DBCD4 ΔE 0.042
- French Gray #ADB5BD ΔE 0.052
- Light Cornflower Blue #98C1D9 ΔE 0.053
- Cloudy Blue #ACC2D9 ΔE 0.053
- Pastel Blue #A2BFFE ΔE 0.056
- Light Steel Blue #B0C4DE ΔE 0.057
- Carolina Blue #8AB8FE ΔE 0.059
- Cool Steel #97A7B3 ΔE 0.065
Use #AAAFDB 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.