#A3AFDB
Closest named color: Light Grey Blue (#9DBCD4). oklch(76% 0.065 272.9), rgb(163, 175, 219).
Aa
Black text reads best on this color (9.71:1).
About this color
#A3AFDB is a medium-light, muted blue. In OKLCH its lightness is 76%, its chroma 0.065 and its hue 273°. Its hue sits on the cool side of the wheel. The nearest named color is Light Grey Blue (#9DBCD4), ΔE 0.040 away. Black text reads best on it, at 9.71:1.
| Hue family | Blues |
| Lightness | medium-light (76%) |
| Chroma | muted (0.065) |
| Temperature | cool |
| Nearest name | Light Grey Blue (#9DBCD4) |
| Black text | 9.71:1 |
| White text | 2.16:1 |
Values
| HEX | #A3AFDB |
| RGB | rgb(163, 175, 219) |
| HSL | hsl(227, 44%, 75%) |
| OKLCH | oklch(76% 0.065 272.9) |
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 #A3AFDB | 2.16:1 | Fails | Lc -47.2 | Large or bold text, headings |
| Black text on #A3AFDB | 9.71:1 | AAA | Lc 61.5 | Content text, not long reading |
| #A3AFDB text on white | 2.16:1 | Fails | Lc 42.5 | Non-text elements, placeholder text |
| #A3AFDB 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
#F3F5FB
oklch(97% 0.008 271.3)
-
Step 100
100
#E5E9F7
oklch(93.5% 0.019 273.2)
-
Step 200
200
#D1D8F2
oklch(88.5% 0.037 273.7)
-
Step 300
300 (this color)
#A3AFDB
oklch(76% 0.065 272.9)
-
Step 400
400
#8B9CE1
oklch(70.7% 0.103 272.9)
-
Step 500
500
#6F82D9
oklch(63.1% 0.133 272.8)
-
Step 600
600
#596AC6
oklch(55.6% 0.143 273)
-
Step 700
700
#4958AB
oklch(49.1% 0.133 272.9)
-
Step 800
800
#3C488B
oklch(42.7% 0.111 273.2)
-
Step 900
900
#333D6F
oklch(37.7% 0.086 273.1)
-
Step 950
950
#1E2441
oklch(27% 0.055 273.4)
#A3AFDB 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) | #A2B3DD | 0.010 |
| Deuteranopia (no green cones) | #9EAEDA | 0.008 |
| Tritanopia (no blue cones) | #95B7BE | 0.057 |
| Achromatopsia (no color) | #B0B0B0 | 0.065 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #A3AFDB
#A3AFDB
oklch(76% 0.065 272.9)
- #BFB182
#BFB182
oklch(76.1% 0.065 93.5)
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 #A3AFDB, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Light Grey Blue #9DBCD4 ΔE 0.040
- Light Cornflower Blue #98C1D9 ΔE 0.050
- French Gray #ADB5BD ΔE 0.053
- Carolina Blue #8AB8FE ΔE 0.055
- Cloudy Blue #ACC2D9 ΔE 0.055
- Pastel Blue #A2BFFE ΔE 0.056
- Light Steel Blue #B0C4DE ΔE 0.060
- Cool Steel #97A7B3 ΔE 0.061
Use #A3AFDB 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.