#AC91BF
Closest named color: Pale Purple (#B790D4). oklch(69.7% 0.072 311), rgb(172, 145, 191).
Aa
Black text reads best on this color (7.55:1).
About this color
#AC91BF is a medium-light, moderately saturated purple. In OKLCH its lightness is 70%, its chroma 0.072 and its hue 311°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Pale Purple (#B790D4), ΔE 0.037 away. Black text reads best on it, at 7.55:1.
| Hue family | Purples |
| Lightness | medium-light (70%) |
| Chroma | moderately saturated (0.072) |
| Temperature | in between |
| Nearest name | Pale Purple (#B790D4) |
| Black text | 7.55:1 |
| White text | 2.77:1 |
Values
| HEX | #AC91BF |
| RGB | rgb(172, 145, 191) |
| HSL | hsl(275, 26%, 66%) |
| OKLCH | oklch(69.7% 0.072 311) |
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 #AC91BF | 2.77:1 | Fails | Lc -58.8 | Large or bold text, headings |
| Black text on #AC91BF | 7.55:1 | AAA | Lc 50.5 | Large or bold text, headings |
| #AC91BF text on white | 2.77:1 | Fails | Lc 53.6 | Large or bold text, headings |
| #AC91BF text on black | 7.55:1 | AAA | Lc -48.3 | Large or bold text, headings |
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 400.
-
Step 50
50
#F7F4F8
oklch(97.1% 0.006 317.8)
-
Step 100
100
#EDE7F0
oklch(93.5% 0.014 314.8)
-
Step 200
200
#DED5E6
oklch(88.5% 0.025 309.3)
-
Step 300
300
#CAB9D7
oklch(80.9% 0.045 310.6)
-
Step 400
400 (this color)
#AC91BF
oklch(69.7% 0.072 311)
-
Step 500
500
#9C79B3
oklch(63.1% 0.093 311.4)
-
Step 600
600
#86619F
oklch(55.5% 0.102 310.8)
-
Step 700
700
#725088
oklch(49.1% 0.095 311.2)
-
Step 800
800
#5D426E
oklch(42.7% 0.078 311.6)
-
Step 900
900
#4C3859
oklch(37.7% 0.06 311.4)
-
Step 950
950
#2C2134
oklch(26.9% 0.038 310.4)
#AC91BF 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) | #8A9AC1 | 0.051 |
| Deuteranopia (no green cones) | #8F9CBE | 0.049 |
| Tritanopia (no blue cones) | #AA97A1 | 0.053 |
| Achromatopsia (no color) | #9B9B9B | 0.073 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #AC91BF
#AC91BF
oklch(69.7% 0.072 311)
- #8EA778
#8EA778
oklch(69.7% 0.072 130.8)
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 #AC91BF, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Pale Purple #B790D4 ΔE 0.037
- Dusty Lavender #AC86A8 ΔE 0.038
- Heather #A484AC ΔE 0.041
- Wisteria #A87DC2 ΔE 0.055
- Light Mauve #C292A1 ΔE 0.056
- Cool Gray #8D99AE ΔE 0.059
- Grey Pink #C3909B ΔE 0.062
- Bluey Grey #89A0B0 ΔE 0.071
Use #AC91BF 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.