#ACB7DB
Closest named color: Light Grey Blue (#9DBCD4). oklch(78.3% 0.053 271.8), rgb(172, 183, 219).
Aa
Black text reads best on this color (10.55:1).
About this color
#ACB7DB is a light, muted blue. In OKLCH its lightness is 78%, its chroma 0.053 and its hue 272°. Its hue sits on the cool side of the wheel. The nearest named color is Light Grey Blue (#9DBCD4), ΔE 0.027 away. Black text reads best on it, at 10.55:1.
| Hue family | Blues |
| Lightness | light (78%) |
| Chroma | muted (0.053) |
| Temperature | cool |
| Nearest name | Light Grey Blue (#9DBCD4) |
| Black text | 10.55:1 |
| White text | 1.99:1 |
Values
| HEX | #ACB7DB |
| RGB | rgb(172, 183, 219) |
| HSL | hsl(226, 39%, 77%) |
| OKLCH | oklch(78.3% 0.053 271.8) |
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 #ACB7DB | 1.99:1 | Fails | Lc -42.9 | Non-text elements, placeholder text |
| Black text on #ACB7DB | 10.55:1 | AAA | Lc 65.4 | Content text, not long reading |
| #ACB7DB text on white | 1.99:1 | Fails | Lc 38.5 | Non-text elements, placeholder text |
| #ACB7DB text on black | 10.55:1 | AAA | Lc -63.9 | 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
#F4F5FA
oklch(97.1% 0.007 277.2)
-
Step 100
100
#E6E9F4
oklch(93.5% 0.015 273.8)
-
Step 200
200
#D2D8ED
oklch(88.4% 0.03 273.1)
-
Step 300
300 (this color)
#ACB7DB
oklch(78.3% 0.053 271.8)
-
Step 400
400
#8E9ED6
oklch(70.8% 0.084 271.8)
-
Step 500
500
#7285CB
oklch(63.1% 0.108 271.5)
-
Step 600
600
#5B6DB8
oklch(55.5% 0.118 271.9)
-
Step 700
700
#4B5B9E
oklch(49.1% 0.109 271.7)
-
Step 800
800
#3E4B80
oklch(42.8% 0.089 271.8)
-
Step 900
900
#343F67
oklch(37.8% 0.07 271.1)
-
Step 950
950
#1F253C
oklch(27% 0.044 272.1)
#ACB7DB 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) | #ADBADD | 0.008 |
| Deuteranopia (no green cones) | #A9B6DA | 0.005 |
| Tritanopia (no blue cones) | #A1BEC3 | 0.048 |
| Achromatopsia (no color) | #B8B8B8 | 0.053 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #ACB7DB
#ACB7DB
oklch(78.3% 0.053 271.8)
- #C4B892
#C4B892
oklch(78.3% 0.053 92.6)
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 #ACB7DB, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Light Grey Blue #9DBCD4 ΔE 0.027
- Cloudy Blue #ACC2D9 ΔE 0.031
- Light Steel Blue #B0C4DE ΔE 0.035
- Light Cornflower Blue #98C1D9 ΔE 0.036
- French Gray #ADB5BD ΔE 0.042
- Pastel Blue #A2BFFE ΔE 0.049
- Light Blue Grey #B7C9E2 ΔE 0.050
- Silver #C0C0C0 ΔE 0.058
Use #ACB7DB 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.