#ACB1DA
Closest named color: Light Grey Blue (#9DBCD4). oklch(77% 0.059 279.5), rgb(172, 177, 218).
Aa
Black text reads best on this color (10.05:1).
About this color
#ACB1DA is a medium-light, muted blue. In OKLCH its lightness is 77%, its chroma 0.059 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 10.05:1.
| Hue family | Blues |
| Lightness | medium-light (77%) |
| Chroma | muted (0.059) |
| Temperature | cool |
| Nearest name | Light Grey Blue (#9DBCD4) |
| Black text | 10.05:1 |
| White text | 2.08:1 |
Values
| HEX | #ACB1DA |
| RGB | rgb(172, 177, 218) |
| HSL | hsl(233, 38%, 76%) |
| OKLCH | oklch(77% 0.059 279.5) |
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 #ACB1DA | 2.08:1 | Fails | Lc -45.4 | Large or bold text, headings |
| Black text on #ACB1DA | 10.05:1 | AAA | Lc 63.1 | Content text, not long reading |
| #ACB1DA text on white | 2.08:1 | Fails | Lc 40.8 | Non-text elements, placeholder text |
| #ACB1DA text on black | 10.05:1 | AAA | Lc -61.4 | 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
#E7E9F5
oklch(93.6% 0.016 278.5)
-
Step 200
200
#D4D7EF
oklch(88.4% 0.033 280)
-
Step 300
300 (this color)
#ACB1DA
oklch(77% 0.059 279.5)
-
Step 400
400
#949ADB
oklch(70.6% 0.095 279.6)
-
Step 500
500
#7B80D1
oklch(63.1% 0.121 279.6)
-
Step 600
600
#6568BE
oklch(55.6% 0.131 279.7)
-
Step 700
700
#5456A4
oklch(49% 0.123 279.8)
-
Step 800
800
#454785
oklch(42.8% 0.101 279.8)
-
Step 900
900
#393C6A
oklch(37.6% 0.078 279.1)
-
Step 950
950
#22233E
oklch(26.9% 0.05 280.9)
#ACB1DA 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) | #A6B5DC | 0.012 |
| Deuteranopia (no green cones) | #A4B2D9 | 0.011 |
| Tritanopia (no blue cones) | #A2B8BF | 0.051 |
| Achromatopsia (no color) | #B3B3B3 | 0.059 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #ACB1DA
#ACB1DA
oklch(77% 0.059 279.5)
- #BDB68B
#BDB68B
oklch(77.1% 0.059 99.9)
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 #ACB1DA, 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
- Cloudy Blue #ACC2D9 ΔE 0.046
- French Gray #ADB5BD ΔE 0.047
- Light Cornflower Blue #98C1D9 ΔE 0.048
- Light Steel Blue #B0C4DE ΔE 0.051
- Pastel Blue #A2BFFE ΔE 0.054
- Carolina Blue #8AB8FE ΔE 0.061
- Light Blue Grey #B7C9E2 ΔE 0.066
Use #ACB1DA 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.