#ACB5EF
Closest named color: Pastel Blue (#A2BFFE). oklch(78.7% 0.083 277.5), rgb(172, 181, 239).
Aa
Black text reads best on this color (10.61:1).
About this color
#ACB5EF is a light, moderately saturated blue. In OKLCH its lightness is 79%, its chroma 0.083 and its hue 277°. Its hue sits on the cool side of the wheel. The nearest named color is Pastel Blue (#A2BFFE), ΔE 0.030 away. Black text reads best on it, at 10.61:1.
| Hue family | Blues |
| Lightness | light (79%) |
| Chroma | moderately saturated (0.083) |
| Temperature | cool |
| Nearest name | Pastel Blue (#A2BFFE) |
| Black text | 10.61:1 |
| White text | 1.97:1 |
Values
| HEX | #ACB5EF |
| RGB | rgb(172, 181, 239) |
| HSL | hsl(232, 68%, 81%) |
| OKLCH | oklch(78.7% 0.083 277.5) |
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 #ACB5EF | 1.97:1 | Fails | Lc -42.6 | Non-text elements, placeholder text |
| Black text on #ACB5EF | 10.61:1 | AAA | Lc 65.7 | Content text, not long reading |
| #ACB5EF text on white | 1.97:1 | Fails | Lc 38.2 | Non-text elements, placeholder text |
| #ACB5EF text on black | 10.61:1 | AAA | Lc -64.2 | 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
#F3F5FD
oklch(97.1% 0.011 274.9)
-
Step 100
100
#E5E9FA
oklch(93.6% 0.023 275.4)
-
Step 200
200
#D1D7F8
oklch(88.5% 0.046 277.3)
-
Step 300
300 (this color)
#ACB5EF
oklch(78.7% 0.083 277.5)
-
Step 400
400
#8D97F2
oklch(70.6% 0.133 277.7)
-
Step 500
500
#737BEE
oklch(63.2% 0.17 277.4)
-
Step 600
600
#5D60DC
oklch(55.5% 0.185 277.5)
-
Step 700
700
#4D4FBF
oklch(49.1% 0.172 277.2)
-
Step 800
800
#3F419A
oklch(42.6% 0.142 277.5)
-
Step 900
900
#35387B
oklch(37.6% 0.112 277.7)
-
Step 950
950
#1F2248
oklch(27.1% 0.07 277.3)
#ACB5EF 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) | #A4BBF2 | 0.017 |
| Deuteranopia (no green cones) | #A0B6EE | 0.016 |
| Tritanopia (no blue cones) | #9BC0C9 | 0.074 |
| Achromatopsia (no color) | #B8B8B8 | 0.083 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #ACB5EF
#ACB5EF
oklch(78.7% 0.083 277.5)
- #C8BA7C
#C8BA7C
oklch(78.6% 0.082 97)
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 #ACB5EF, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Pastel Blue #A2BFFE ΔE 0.030
- Carolina Blue #8AB8FE ΔE 0.044
- Light Grey Blue #9DBCD4 ΔE 0.053
- Light Steel Blue #B0C4DE ΔE 0.054
- Pale Violet #CEAEFA ΔE 0.054
- Cloudy Blue #ACC2D9 ΔE 0.054
- Light Periwinkle #C1C6FC ΔE 0.055
- Light Cornflower Blue #98C1D9 ΔE 0.057
Use #ACB5EF 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.