#ACAEF9
Closest named color: Pastel Blue (#A2BFFE). oklch(77.7% 0.107 282.4), rgb(172, 174, 249).
Aa
Black text reads best on this color (10.17:1).
About this color
#ACAEF9 is a medium-light, moderately saturated purple. In OKLCH its lightness is 78%, its chroma 0.107 and its hue 282°. Its hue sits on the cool side of the wheel. The nearest named color is Pastel Blue (#A2BFFE), ΔE 0.043 away. Black text reads best on it, at 10.17:1.
| Hue family | Purples |
| Lightness | medium-light (78%) |
| Chroma | moderately saturated (0.107) |
| Temperature | cool |
| Nearest name | Pastel Blue (#A2BFFE) |
| Black text | 10.17:1 |
| White text | 2.06:1 |
Values
| HEX | #ACAEF9 |
| RGB | rgb(172, 174, 249) |
| HSL | hsl(238, 87%, 83%) |
| OKLCH | oklch(77.7% 0.107 282.4) |
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 #ACAEF9 | 2.06:1 | Fails | Lc -44.8 | Non-text elements, placeholder text |
| Black text on #ACAEF9 | 10.17:1 | AAA | Lc 63.7 | Content text, not long reading |
| #ACAEF9 text on white | 2.06:1 | Fails | Lc 40.2 | Non-text elements, placeholder text |
| #ACAEF9 text on black | 10.17:1 | AAA | Lc -62.1 | 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
#F4F4FF
oklch(97% 0.015 286.1)
-
Step 100
100
#E6E8FF
oklch(93.6% 0.031 281.8)
-
Step 200
200
#D3D5FF
oklch(88.5% 0.058 283)
-
Step 300
300 (this color)
#ACAEF9
oklch(77.7% 0.107 282.4)
-
Step 400
400
#9391FF
oklch(70.6% 0.158 282.4)
-
Step 500
500
#7C70FF
oklch(63.1% 0.205 282.6)
-
Step 600
600
#684EF6
oklch(55.5% 0.237 282.5)
-
Step 700
700
#573DD6
oklch(49% 0.22 282.4)
-
Step 800
800
#4734AD
oklch(42.7% 0.182 282.6)
-
Step 900
900
#3A3089
oklch(37.7% 0.142 282.2)
-
Step 950
950
#221D50
oklch(27% 0.09 283)
#ACAEF9 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) | #98B7FC | 0.032 |
| Deuteranopia (no green cones) | #95B2F7 | 0.031 |
| Tritanopia (no blue cones) | #98BCC9 | 0.093 |
| Achromatopsia (no color) | #B4B4B4 | 0.107 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #ACAEF9
#ACAEF9
oklch(77.7% 0.107 282.4)
- #C3B965
#C3B965
oklch(77.6% 0.107 102.5)
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 #ACAEF9, closest first.
No curated palette has a color within ΔE 0.04 of #ACAEF9.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Pastel Blue #A2BFFE ΔE 0.043
- Carolina Blue #8AB8FE ΔE 0.046
- Pale Violet #CEAEFA ΔE 0.048
- Pastel Purple #CAA0FF ΔE 0.055
- Lilac #CEA2FD ΔE 0.056
- Baby Purple #CA9BF7 ΔE 0.060
- Light Violet #D6B4FC ΔE 0.064
- Light Periwinkle #C1C6FC ΔE 0.071
Use #ACAEF9 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.