#A4B1DA
Closest named color: Light Grey Blue (#9DBCD4). oklch(76.4% 0.061 271.2), rgb(164, 177, 218).
Aa
Black text reads best on this color (9.87:1).
About this color
#A4B1DA is a medium-light, muted blue. In OKLCH its lightness is 76%, its chroma 0.061 and its hue 271°. Its hue sits on the cool side of the wheel. The nearest named color is Light Grey Blue (#9DBCD4), ΔE 0.034 away. Black text reads best on it, at 9.87:1.
| Hue family | Blues |
| Lightness | medium-light (76%) |
| Chroma | muted (0.061) |
| Temperature | cool |
| Nearest name | Light Grey Blue (#9DBCD4) |
| Black text | 9.87:1 |
| White text | 2.12:1 |
Values
| HEX | #A4B1DA |
| RGB | rgb(164, 177, 218) |
| HSL | hsl(226, 42%, 75%) |
| OKLCH | oklch(76.4% 0.061 271.2) |
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 #A4B1DA | 2.12:1 | Fails | Lc -46.3 | Large or bold text, headings |
| Black text on #A4B1DA | 9.87:1 | AAA | Lc 62.3 | Content text, not long reading |
| #A4B1DA text on white | 2.12:1 | Fails | Lc 41.7 | Non-text elements, placeholder text |
| #A4B1DA text on black | 9.87:1 | AAA | Lc -60.6 | 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
#F3F5FB
oklch(97% 0.008 271.3)
-
Step 100
100
#E5E9F6
oklch(93.5% 0.018 272.3)
-
Step 200
200
#D1D8F0
oklch(88.4% 0.034 272.8)
-
Step 300
300 (this color)
#A4B1DA
oklch(76.4% 0.061 271.2)
-
Step 400
400
#8A9DDE
oklch(70.7% 0.098 271.2)
-
Step 500
500
#6E84D4
oklch(63.1% 0.123 270.9)
-
Step 600
600
#576CC2
oklch(55.6% 0.135 271.1)
-
Step 700
700
#475AA7
oklch(49.1% 0.125 270.8)
-
Step 800
800
#3B4A87
oklch(42.8% 0.103 271.1)
-
Step 900
900
#323E6C
oklch(37.7% 0.08 271.1)
-
Step 950
950
#1D253F
oklch(27.1% 0.05 269.9)
#A4B1DA 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) | #A5B4DC | 0.008 |
| Deuteranopia (no green cones) | #A1B0D9 | 0.005 |
| Tritanopia (no blue cones) | #96B9BF | 0.055 |
| Achromatopsia (no color) | #B2B2B2 | 0.061 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #A4B1DA
#A4B1DA
oklch(76.4% 0.061 271.2)
- #C1B286
#C1B286
oklch(76.5% 0.062 91.5)
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 #A4B1DA, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Light Grey Blue #9DBCD4 ΔE 0.034
- Light Cornflower Blue #98C1D9 ΔE 0.045
- French Gray #ADB5BD ΔE 0.048
- Cloudy Blue #ACC2D9 ΔE 0.049
- Light Steel Blue #B0C4DE ΔE 0.054
- Pastel Blue #A2BFFE ΔE 0.055
- Carolina Blue #8AB8FE ΔE 0.056
- Cool Steel #97A7B3 ΔE 0.061
Use #A4B1DA 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.