#ACAFFB
Closest named color: Pastel Blue (#A2BFFE). oklch(78% 0.108 281.8), rgb(172, 175, 251).
Aa
Black text reads best on this color (10.27:1).
About this color
#ACAFFB is a light, moderately saturated purple. In OKLCH its lightness is 78%, its chroma 0.108 and its hue 282°. Its hue sits on the cool side of the wheel. The nearest named color is Pastel Blue (#A2BFFE), ΔE 0.041 away. Black text reads best on it, at 10.27:1.
| Hue family | Purples |
| Lightness | light (78%) |
| Chroma | moderately saturated (0.108) |
| Temperature | cool |
| Nearest name | Pastel Blue (#A2BFFE) |
| Black text | 10.27:1 |
| White text | 2.04:1 |
Values
| HEX | #ACAFFB |
| RGB | rgb(172, 175, 251) |
| HSL | hsl(238, 91%, 83%) |
| OKLCH | oklch(78% 0.108 281.8) |
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 #ACAFFB | 2.04:1 | Fails | Lc -44.3 | Non-text elements, placeholder text |
| Black text on #ACAFFB | 10.27:1 | AAA | Lc 64.2 | Content text, not long reading |
| #ACAFFB text on white | 2.04:1 | Fails | Lc 39.7 | Non-text elements, placeholder text |
| #ACAFFB text on black | 10.27:1 | AAA | Lc -62.6 | 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
#F4F5FF
oklch(97.2% 0.013 281.6)
-
Step 100
100
#E6E8FF
oklch(93.6% 0.031 281.8)
-
Step 200
200
#D2D5FF
oklch(88.4% 0.058 281.9)
-
Step 300
300 (this color)
#ACAFFB
oklch(78% 0.108 281.8)
-
Step 400
400
#9292FF
oklch(70.8% 0.157 281.6)
-
Step 500
500
#7B71FF
oklch(63.1% 0.204 282)
-
Step 600
600
#674EF8
oklch(55.6% 0.24 282)
-
Step 700
700
#563DD8
oklch(49.1% 0.223 281.8)
-
Step 800
800
#4634AF
oklch(42.8% 0.185 281.8)
-
Step 900
900
#3A308A
oklch(37.8% 0.144 282.1)
-
Step 950
950
#211D51
oklch(27% 0.092 281.8)
#ACAFFB 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) | #99B8FE | 0.031 |
| Deuteranopia (no green cones) | #95B3F9 | 0.031 |
| Tritanopia (no blue cones) | #98BDCA | 0.095 |
| Achromatopsia (no color) | #B5B5B5 | 0.108 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #ACAFFB
#ACAFFB
oklch(78% 0.108 281.8)
- #C5BA65
#C5BA65
oklch(78% 0.108 102)
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 #ACAFFB, closest first.
No curated palette has a color within ΔE 0.04 of #ACAFFB.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Pastel Blue #A2BFFE ΔE 0.041
- Carolina Blue #8AB8FE ΔE 0.045
- Pale Violet #CEAEFA ΔE 0.048
- Pastel Purple #CAA0FF ΔE 0.055
- Lilac #CEA2FD ΔE 0.056
- Baby Purple #CA9BF7 ΔE 0.061
- Light Violet #D6B4FC ΔE 0.062
- Light Periwinkle #C1C6FC ΔE 0.069
Use #ACAFFB 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.