#ACAEE4
Closest named color: Pastel Blue (#A2BFFE). oklch(76.8% 0.077 282.8), rgb(172, 174, 228).
Aa
Black text reads best on this color (9.92:1).
About this color
#ACAEE4 is a medium-light, moderately saturated purple. In OKLCH its lightness is 77%, its chroma 0.077 and its hue 283°. Its hue sits on the cool side of the wheel. The nearest named color is Pastel Blue (#A2BFFE), ΔE 0.050 away. Black text reads best on it, at 9.92:1.
| Hue family | Purples |
| Lightness | medium-light (77%) |
| Chroma | moderately saturated (0.077) |
| Temperature | cool |
| Nearest name | Pastel Blue (#A2BFFE) |
| Black text | 9.92:1 |
| White text | 2.11:1 |
Values
| HEX | #ACAEE4 |
| RGB | rgb(172, 174, 228) |
| HSL | hsl(238, 51%, 78%) |
| OKLCH | oklch(76.8% 0.077 282.8) |
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 #ACAEE4 | 2.11:1 | Fails | Lc -46.1 | Large or bold text, headings |
| Black text on #ACAEE4 | 9.92:1 | AAA | Lc 62.5 | Content text, not long reading |
| #ACAEE4 text on white | 2.11:1 | Fails | Lc 41.4 | Non-text elements, placeholder text |
| #ACAEE4 text on black | 9.92:1 | AAA | Lc -60.8 | 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
#E7E8F9
oklch(93.5% 0.023 283.3)
-
Step 200
200
#D4D6F5
oklch(88.4% 0.043 282.6)
-
Step 300
300 (this color)
#ACAEE4
oklch(76.8% 0.077 282.8)
-
Step 400
400
#9696EB
oklch(70.8% 0.123 282.8)
-
Step 500
500
#7E79E5
oklch(63.1% 0.158 283)
-
Step 600
600
#6860D2
oklch(55.6% 0.17 282.5)
-
Step 700
700
#574EB6
oklch(49% 0.159 282.7)
-
Step 800
800
#474194
oklch(42.8% 0.132 282.5)
-
Step 900
900
#3B3876
oklch(37.8% 0.103 282.5)
-
Step 950
950
#222145
oklch(26.9% 0.066 282.3)
#ACAEE4 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) | #A0B4E6 | 0.021 |
| Deuteranopia (no green cones) | #9DB1E3 | 0.021 |
| Tritanopia (no blue cones) | #9FB7C1 | 0.066 |
| Achromatopsia (no color) | #B2B2B2 | 0.077 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #ACAEE4
#ACAEE4
oklch(76.8% 0.077 282.8)
- #BCB67C
#BCB67C
oklch(76.7% 0.077 103)
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 #ACAEE4, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Pastel Blue #A2BFFE ΔE 0.050
- Light Grey Blue #9DBCD4 ΔE 0.053
- Carolina Blue #8AB8FE ΔE 0.053
- Pale Violet #CEAEFA ΔE 0.060
- Cloudy Blue #ACC2D9 ΔE 0.061
- Light Cornflower Blue #98C1D9 ΔE 0.062
- Light Steel Blue #B0C4DE ΔE 0.063
- French Gray #ADB5BD ΔE 0.066
Use #ACAEE4 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.