#ACAFE4
Closest named color: Pastel Blue (#A2BFFE). oklch(77% 0.076 281.9), rgb(172, 175, 228).
Aa
Black text reads best on this color (10.00:1).
About this color
#ACAFE4 is a medium-light, moderately saturated purple. In OKLCH its lightness is 77%, its chroma 0.076 and its hue 282°. Its hue sits on the cool side of the wheel. The nearest named color is Pastel Blue (#A2BFFE), ΔE 0.048 away. Black text reads best on it, at 10.00:1.
| Hue family | Purples |
| Lightness | medium-light (77%) |
| Chroma | moderately saturated (0.076) |
| Temperature | cool |
| Nearest name | Pastel Blue (#A2BFFE) |
| Black text | 10.00:1 |
| White text | 2.09:1 |
Values
| HEX | #ACAFE4 |
| RGB | rgb(172, 175, 228) |
| HSL | hsl(237, 51%, 78%) |
| OKLCH | oklch(77% 0.076 281.9) |
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 #ACAFE4 | 2.09:1 | Fails | Lc -45.7 | Large or bold text, headings |
| Black text on #ACAFE4 | 10.00:1 | AAA | Lc 62.9 | Content text, not long reading |
| #ACAFE4 text on white | 2.09:1 | Fails | Lc 41.1 | Non-text elements, placeholder text |
| #ACAFE4 text on black | 10.00:1 | AAA | Lc -61.2 | 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
#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)
#ACAFE4
oklch(77% 0.076 281.9)
-
Step 400
400
#9596EA
oklch(70.6% 0.122 282.3)
-
Step 500
500
#7C7AE3
oklch(63% 0.155 281.9)
-
Step 600
600
#6761D1
oklch(55.6% 0.167 281.9)
-
Step 700
700
#564FB5
oklch(49% 0.156 282.1)
-
Step 800
800
#464293
oklch(42.8% 0.129 281.7)
-
Step 900
900
#3A3875
oklch(37.6% 0.102 281.8)
-
Step 950
950
#222144
oklch(26.9% 0.064 282.5)
#ACAFE4 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) | #A1B5E6 | 0.020 |
| Deuteranopia (no green cones) | #9EB1E3 | 0.019 |
| Tritanopia (no blue cones) | #9FB8C1 | 0.066 |
| Achromatopsia (no color) | #B3B3B3 | 0.076 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #ACAFE4
#ACAFE4
oklch(77% 0.076 281.9)
- #BEB77E
#BEB77E
oklch(77.2% 0.076 102)
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 #ACAFE4, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Pastel Blue #A2BFFE ΔE 0.048
- Light Grey Blue #9DBCD4 ΔE 0.051
- Carolina Blue #8AB8FE ΔE 0.053
- Cloudy Blue #ACC2D9 ΔE 0.058
- Light Cornflower Blue #98C1D9 ΔE 0.059
- Pale Violet #CEAEFA ΔE 0.060
- Light Steel Blue #B0C4DE ΔE 0.060
- French Gray #ADB5BD ΔE 0.064
Use #ACAFE4 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.