#ACAEE9
Closest named color: Pastel Blue (#A2BFFE). oklch(77% 0.084 282.7), rgb(172, 174, 233).
Aa
Black text reads best on this color (9.98:1).
About this color
#ACAEE9 is a medium-light, moderately saturated purple. In OKLCH its lightness is 77%, its chroma 0.084 and its hue 283°. Its hue sits on the cool side of the wheel. The nearest named color is Pastel Blue (#A2BFFE), ΔE 0.046 away. Black text reads best on it, at 9.98:1.
| Hue family | Purples |
| Lightness | medium-light (77%) |
| Chroma | moderately saturated (0.084) |
| Temperature | cool |
| Nearest name | Pastel Blue (#A2BFFE) |
| Black text | 9.98:1 |
| White text | 2.10:1 |
Values
| HEX | #ACAEE9 |
| RGB | rgb(172, 174, 233) |
| HSL | hsl(238, 58%, 79%) |
| OKLCH | oklch(77% 0.084 282.7) |
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 #ACAEE9 | 2.10:1 | Fails | Lc -45.8 | Large or bold text, headings |
| Black text on #ACAEE9 | 9.98:1 | AAA | Lc 62.8 | Content text, not long reading |
| #ACAEE9 text on white | 2.10:1 | Fails | Lc 41.2 | Non-text elements, placeholder text |
| #ACAEE9 text on black | 9.98:1 | AAA | Lc -61.1 | 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
#F4F5FD
oklch(97.2% 0.011 280.5)
-
Step 100
100
#E7E8FA
oklch(93.6% 0.024 283.4)
-
Step 200
200
#D4D6F8
oklch(88.5% 0.047 282.7)
-
Step 300
300 (this color)
#ACAEE9
oklch(77% 0.084 282.7)
-
Step 400
400
#9594F1
oklch(70.6% 0.134 282.9)
-
Step 500
500
#7D77ED
oklch(63.1% 0.172 282.6)
-
Step 600
600
#685CDB
oklch(55.5% 0.187 282.7)
-
Step 700
700
#574BBE
oklch(49.1% 0.174 282.6)
-
Step 800
800
#473E9A
oklch(42.7% 0.145 282.8)
-
Step 900
900
#3B367A
oklch(37.7% 0.112 282.9)
-
Step 950
950
#222048
oklch(26.9% 0.072 282.7)
#ACAEE9 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) | #9EB5EC | 0.024 |
| Deuteranopia (no green cones) | #9BB1E7 | 0.023 |
| Tritanopia (no blue cones) | #9EB8C2 | 0.073 |
| Achromatopsia (no color) | #B3B3B3 | 0.084 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #ACAEE9
#ACAEE9
oklch(77% 0.084 282.7)
- #BEB777
#BEB777
oklch(77% 0.084 102.8)
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 #ACAEE9, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Pastel Blue #A2BFFE ΔE 0.046
- Carolina Blue #8AB8FE ΔE 0.050
- Pale Violet #CEAEFA ΔE 0.056
- Light Grey Blue #9DBCD4 ΔE 0.058
- Cloudy Blue #ACC2D9 ΔE 0.065
- Light Cornflower Blue #98C1D9 ΔE 0.066
- Light Steel Blue #B0C4DE ΔE 0.066
- Lilac #CEA2FD ΔE 0.067
Use #ACAEE9 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.