#AC91C4
Closest named color: Pale Purple (#B790D4). oklch(69.9% 0.079 308.5), rgb(172, 145, 196).
Aa
Black text reads best on this color (7.60:1).
About this color
#AC91C4 is a medium-light, moderately saturated purple. In OKLCH its lightness is 70%, its chroma 0.079 and its hue 308°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Pale Purple (#B790D4), ΔE 0.031 away. Black text reads best on it, at 7.60:1.
| Hue family | Purples |
| Lightness | medium-light (70%) |
| Chroma | moderately saturated (0.079) |
| Temperature | in between |
| Nearest name | Pale Purple (#B790D4) |
| Black text | 7.60:1 |
| White text | 2.76:1 |
Values
| HEX | #AC91C4 |
| RGB | rgb(172, 145, 196) |
| HSL | hsl(272, 30%, 67%) |
| OKLCH | oklch(69.9% 0.079 308.5) |
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 #AC91C4 | 2.76:1 | Fails | Lc -58.6 | Large or bold text, headings |
| Black text on #AC91C4 | 7.60:1 | AAA | Lc 50.7 | Large or bold text, headings |
| #AC91C4 text on white | 2.76:1 | Fails | Lc 53.3 | Large or bold text, headings |
| #AC91C4 text on black | 7.60:1 | AAA | Lc -48.5 | 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
#F7F4F9
oklch(97.1% 0.007 312.3)
-
Step 100
100
#ECE7F1
oklch(93.5% 0.014 308.3)
-
Step 200
200
#DED5E7
oklch(88.6% 0.026 308.1)
-
Step 300
300
#CAB9DA
oklch(81% 0.049 308.4)
-
Step 400
400 (this color)
#AC91C4
oklch(69.9% 0.079 308.5)
-
Step 500
500
#9B78B8
oklch(63.1% 0.101 308.8)
-
Step 600
600
#8660A4
oklch(55.6% 0.11 308.9)
-
Step 700
700
#714F8D
oklch(49% 0.103 308.3)
-
Step 800
800
#5C4172
oklch(42.6% 0.085 308.5)
-
Step 900
900
#4B385C
oklch(37.7% 0.064 307.8)
-
Step 950
950
#2C2136
oklch(27% 0.041 307.8)
#AC91C4 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) | #889AC6 | 0.054 |
| Deuteranopia (no green cones) | #8E9CC2 | 0.050 |
| Tritanopia (no blue cones) | #A998A3 | 0.059 |
| Achromatopsia (no color) | #9B9B9B | 0.079 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #AC91C4
#AC91C4
oklch(69.9% 0.079 308.5)
- #8FA873
#8FA873
oklch(69.9% 0.079 128.8)
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 #AC91C4, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Pale Purple #B790D4 ΔE 0.031
- Dusty Lavender #AC86A8 ΔE 0.043
- Heather #A484AC ΔE 0.045
- Wisteria #A87DC2 ΔE 0.052
- Light Mauve #C292A1 ΔE 0.062
- Cool Gray #8D99AE ΔE 0.064
- Grey Pink #C3909B ΔE 0.069
- Perrywinkle #8F8CE7 ΔE 0.071
Use #AC91C4 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.