#ACB5DB
Closest named color: Light Grey Blue (#9DBCD4). oklch(77.9% 0.055 274.6), rgb(172, 181, 219).
Aa
Black text reads best on this color (10.38:1).
About this color
#ACB5DB is a medium-light, muted blue. In OKLCH its lightness is 78%, its chroma 0.055 and its hue 275°. Its hue sits on the cool side of the wheel. The nearest named color is Light Grey Blue (#9DBCD4), ΔE 0.030 away. Black text reads best on it, at 10.38:1.
| Hue family | Blues |
| Lightness | medium-light (78%) |
| Chroma | muted (0.055) |
| Temperature | cool |
| Nearest name | Light Grey Blue (#9DBCD4) |
| Black text | 10.38:1 |
| White text | 2.02:1 |
Values
| HEX | #ACB5DB |
| RGB | rgb(172, 181, 219) |
| HSL | hsl(229, 39%, 77%) |
| OKLCH | oklch(77.9% 0.055 274.6) |
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 #ACB5DB | 2.02:1 | Fails | Lc -43.8 | Non-text elements, placeholder text |
| Black text on #ACB5DB | 10.38:1 | AAA | Lc 64.7 | Content text, not long reading |
| #ACB5DB text on white | 2.02:1 | Fails | Lc 39.3 | Non-text elements, placeholder text |
| #ACB5DB text on black | 10.38:1 | AAA | Lc -63.1 | 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
#E6E9F5
oklch(93.5% 0.016 274.8)
-
Step 200
200
#D3D8EE
oklch(88.5% 0.031 275.6)
-
Step 300
300 (this color)
#ACB5DB
oklch(77.9% 0.055 274.6)
-
Step 400
400
#909DD8
oklch(70.8% 0.088 274.4)
-
Step 500
500
#7583CD
oklch(63% 0.113 274.6)
-
Step 600
600
#5F6CBA
oklch(55.7% 0.122 274.6)
-
Step 700
700
#4E59A1
oklch(49% 0.115 274.8)
-
Step 800
800
#404982
oklch(42.6% 0.095 274.9)
-
Step 900
900
#363E68
oklch(37.7% 0.073 274.2)
-
Step 950
950
#20243D
oklch(26.9% 0.047 275.9)
#ACB5DB 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) | #AAB8DD | 0.008 |
| Deuteranopia (no green cones) | #A7B5DA | 0.007 |
| Tritanopia (no blue cones) | #A1BCC2 | 0.049 |
| Achromatopsia (no color) | #B6B6B6 | 0.055 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #ACB5DB
#ACB5DB
oklch(77.9% 0.055 274.6)
- #C2B78F
#C2B78F
oklch(77.8% 0.055 94.5)
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 #ACB5DB, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Light Grey Blue #9DBCD4 ΔE 0.030
- Cloudy Blue #ACC2D9 ΔE 0.036
- Light Cornflower Blue #98C1D9 ΔE 0.040
- Light Steel Blue #B0C4DE ΔE 0.040
- French Gray #ADB5BD ΔE 0.044
- Pastel Blue #A2BFFE ΔE 0.050
- Light Blue Grey #B7C9E2 ΔE 0.056
- Carolina Blue #8AB8FE ΔE 0.061
Use #ACB5DB 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.