#ACB4E9
Closest named color: Pastel Blue (#A2BFFE). oklch(78.2% 0.076 277.8), rgb(172, 180, 233).
Aa
Black text reads best on this color (10.45:1).
About this color
#ACB4E9 is a light, moderately saturated blue. In OKLCH its lightness is 78%, its chroma 0.076 and its hue 278°. Its hue sits on the cool side of the wheel. The nearest named color is Pastel Blue (#A2BFFE), ΔE 0.036 away. Black text reads best on it, at 10.45:1.
| Hue family | Blues |
| Lightness | light (78%) |
| Chroma | moderately saturated (0.076) |
| Temperature | cool |
| Nearest name | Pastel Blue (#A2BFFE) |
| Black text | 10.45:1 |
| White text | 2.00:1 |
Values
| HEX | #ACB4E9 |
| RGB | rgb(172, 180, 233) |
| HSL | hsl(232, 58%, 79%) |
| OKLCH | oklch(78.2% 0.076 277.8) |
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 #ACB4E9 | 2.00:1 | Fails | Lc -43.4 | Non-text elements, placeholder text |
| Black text on #ACB4E9 | 10.45:1 | AAA | Lc 65.0 | Content text, not long reading |
| #ACB4E9 text on white | 2.00:1 | Fails | Lc 38.9 | Non-text elements, placeholder text |
| #ACB4E9 text on black | 10.45:1 | AAA | Lc -63.4 | 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
#F4F5FC
oklch(97.1% 0.009 279.7)
-
Step 100
100
#E6E9F9
oklch(93.6% 0.022 277.5)
-
Step 200
200
#D2D7F6
oklch(88.5% 0.043 278.2)
-
Step 300
300 (this color)
#ACB4E9
oklch(78.2% 0.076 277.8)
-
Step 400
400
#8F98EB
oklch(70.6% 0.121 278.1)
-
Step 500
500
#757DE5
oklch(63.2% 0.154 277.7)
-
Step 600
600
#5F63D3
oklch(55.5% 0.169 277.8)
-
Step 700
700
#4F51B7
oklch(49% 0.158 278)
-
Step 800
800
#404394
oklch(42.6% 0.13 277.7)
-
Step 900
900
#363A76
oklch(37.8% 0.101 277.5)
-
Step 950
950
#1F2245
oklch(26.9% 0.064 277.4)
#ACB4E9 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) | #A5B9EB | 0.015 |
| Deuteranopia (no green cones) | #A1B5E8 | 0.015 |
| Tritanopia (no blue cones) | #9DBEC6 | 0.068 |
| Achromatopsia (no color) | #B7B7B7 | 0.076 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #ACB4E9
#ACB4E9
oklch(78.2% 0.076 277.8)
- #C5B980
#C5B980
oklch(78.2% 0.076 97.7)
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 #ACB4E9, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Pastel Blue #A2BFFE ΔE 0.036
- Light Grey Blue #9DBCD4 ΔE 0.047
- Carolina Blue #8AB8FE ΔE 0.048
- Cloudy Blue #ACC2D9 ΔE 0.050
- Light Steel Blue #B0C4DE ΔE 0.051
- Light Cornflower Blue #98C1D9 ΔE 0.053
- Pale Violet #CEAEFA ΔE 0.058
- Light Periwinkle #C1C6FC ΔE 0.059
Use #ACB4E9 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.