#ACB4E1
Closest named color: Light Grey Blue (#9DBCD4). oklch(77.9% 0.065 276.9), rgb(172, 180, 225).
Aa
Black text reads best on this color (10.36:1).
About this color
#ACB4E1 is a medium-light, muted blue. In OKLCH its lightness is 78%, its chroma 0.065 and its hue 277°. Its hue sits on the cool side of the wheel. The nearest named color is Light Grey Blue (#9DBCD4), ΔE 0.038 away. Black text reads best on it, at 10.36:1.
| Hue family | Blues |
| Lightness | medium-light (78%) |
| Chroma | muted (0.065) |
| Temperature | cool |
| Nearest name | Light Grey Blue (#9DBCD4) |
| Black text | 10.36:1 |
| White text | 2.02:1 |
Values
| HEX | #ACB4E1 |
| RGB | rgb(172, 180, 225) |
| HSL | hsl(231, 47%, 78%) |
| OKLCH | oklch(77.9% 0.065 276.9) |
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 #ACB4E1 | 2.02:1 | Fails | Lc -43.8 | Non-text elements, placeholder text |
| Black text on #ACB4E1 | 10.36:1 | AAA | Lc 64.6 | Content text, not long reading |
| #ACB4E1 text on white | 2.02:1 | Fails | Lc 39.3 | Non-text elements, placeholder text |
| #ACB4E1 text on black | 10.36:1 | AAA | Lc -63.0 | 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
#E6E9F7
oklch(93.6% 0.019 276.3)
-
Step 200
200
#D3D8F1
oklch(88.6% 0.035 276.7)
-
Step 300
300 (this color)
#ACB4E1
oklch(77.9% 0.065 276.9)
-
Step 400
400
#909AE1
oklch(70.6% 0.104 277.2)
-
Step 500
500
#7680D8
oklch(63.1% 0.132 277)
-
Step 600
600
#6068C6
oklch(55.7% 0.144 277)
-
Step 700
700
#4F56AB
oklch(49.1% 0.134 276.7)
-
Step 800
800
#41478A
oklch(42.8% 0.11 276.9)
-
Step 900
900
#373C6F
oklch(37.8% 0.087 277.2)
-
Step 950
950
#202341
oklch(27% 0.056 277.7)
#ACB4E1 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) | #A7B8E3 | 0.011 |
| Deuteranopia (no green cones) | #A4B4E0 | 0.011 |
| Tritanopia (no blue cones) | #9FBCC3 | 0.058 |
| Achromatopsia (no color) | #B6B6B6 | 0.065 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #ACB4E1
#ACB4E1
oklch(77.9% 0.065 276.9)
- #C3B888
#C3B888
oklch(78% 0.065 96.7)
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 #ACB4E1, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Light Grey Blue #9DBCD4 ΔE 0.038
- Cloudy Blue #ACC2D9 ΔE 0.043
- Pastel Blue #A2BFFE ΔE 0.044
- Light Steel Blue #B0C4DE ΔE 0.046
- Light Cornflower Blue #98C1D9 ΔE 0.046
- French Gray #ADB5BD ΔE 0.053
- Carolina Blue #8AB8FE ΔE 0.055
- Light Blue Grey #B7C9E2 ΔE 0.060
Use #ACB4E1 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.