#B4ACEF
Closest named color: Pale Violet (#CEAEFA). oklch(77.5% 0.095 289.5), rgb(180, 172, 239).
Aa
Black text reads best on this color (10.08:1).
About this color
#B4ACEF is a medium-light, moderately saturated purple. In OKLCH its lightness is 78%, its chroma 0.095 and its hue 289°. Its hue sits on the cool side of the wheel. The nearest named color is Pale Violet (#CEAEFA), ΔE 0.042 away. Black text reads best on it, at 10.08:1.
| Hue family | Purples |
| Lightness | medium-light (78%) |
| Chroma | moderately saturated (0.095) |
| Temperature | cool |
| Nearest name | Pale Violet (#CEAEFA) |
| Black text | 10.08:1 |
| White text | 2.08:1 |
Values
| HEX | #B4ACEF |
| RGB | rgb(180, 172, 239) |
| HSL | hsl(247, 68%, 81%) |
| OKLCH | oklch(77.5% 0.095 289.5) |
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 #B4ACEF | 2.08:1 | Fails | Lc -45.2 | Large or bold text, headings |
| Black text on #B4ACEF | 10.08:1 | AAA | Lc 63.3 | Content text, not long reading |
| #B4ACEF text on white | 2.08:1 | Fails | Lc 40.7 | Non-text elements, placeholder text |
| #B4ACEF text on black | 10.08:1 | AAA | Lc -61.6 | 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
#F5F4FE
oklch(97.1% 0.013 290.8)
-
Step 100
100
#E9E7FC
oklch(93.6% 0.028 290.2)
-
Step 200
200
#D8D4FB
oklch(88.5% 0.053 290)
-
Step 300
300 (this color)
#B4ACEF
oklch(77.5% 0.095 289.5)
-
Step 400
400
#9F8EF8
oklch(70.6% 0.152 289.3)
-
Step 500
500
#8A6EF5
oklch(63.2% 0.194 289.2)
-
Step 600
600
#7651E3
oklch(55.6% 0.21 289.4)
-
Step 700
700
#6440C6
oklch(49.2% 0.197 289.5)
-
Step 800
800
#5136A0
oklch(42.7% 0.163 289.4)
-
Step 900
900
#42317F
oklch(37.8% 0.126 288.9)
-
Step 950
950
#271D4A
oklch(27% 0.08 290.2)
#B4ACEF 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) | #9BB5F2 | 0.037 |
| Deuteranopia (no green cones) | #9BB2ED | 0.036 |
| Tritanopia (no blue cones) | #A7B7C4 | 0.080 |
| Achromatopsia (no color) | #B4B4B4 | 0.095 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #B4ACEF
#B4ACEF
oklch(77.5% 0.095 289.5)
- #BABB72
#BABB72
oklch(77.5% 0.095 109.1)
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 #B4ACEF, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Pale Violet #CEAEFA ΔE 0.042
- Pastel Blue #A2BFFE ΔE 0.051
- Lilac #CEA2FD ΔE 0.051
- Pastel Purple #CAA0FF ΔE 0.052
- Baby Purple #CA9BF7 ΔE 0.055
- Light Violet #D6B4FC ΔE 0.057
- Carolina Blue #8AB8FE ΔE 0.058
- Plum #DDA0DD ΔE 0.066
Use #B4ACEF 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.