#AC91D4
Closest named color: Pale Purple (#B790D4). oklch(70.6% 0.1 302.4), rgb(172, 145, 212).
Aa
Black text reads best on this color (7.75:1).
About this color
#AC91D4 is a medium-light, moderately saturated purple. In OKLCH its lightness is 71%, its chroma 0.100 and its hue 302°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Pale Purple (#B790D4), ΔE 0.017 away. Black text reads best on it, at 7.75:1.
| Hue family | Purples |
| Lightness | medium-light (71%) |
| Chroma | moderately saturated (0.100) |
| Temperature | in between |
| Nearest name | Pale Purple (#B790D4) |
| Black text | 7.75:1 |
| White text | 2.70:1 |
Values
| HEX | #AC91D4 |
| RGB | rgb(172, 145, 212) |
| HSL | hsl(264, 44%, 70%) |
| OKLCH | oklch(70.6% 0.1 302.4) |
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 #AC91D4 | 2.70:1 | Fails | Lc -57.7 | Large or bold text, headings |
| Black text on #AC91D4 | 7.75:1 | AAA | Lc 51.6 | Large or bold text, headings |
| #AC91D4 text on white | 2.70:1 | Fails | Lc 52.4 | Large or bold text, headings |
| #AC91D4 text on black | 7.75:1 | AAA | Lc -49.4 | 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
#F6F4FA
oklch(97% 0.008 301.4)
-
Step 100
100
#ECE7F4
oklch(93.6% 0.018 303.4)
-
Step 200
200
#DDD4ED
oklch(88.5% 0.035 302)
-
Step 300
300
#C8B8E3
oklch(81% 0.062 302)
-
Step 400
400 (this color)
#AC91D4
oklch(70.6% 0.1 302.4)
-
Step 500
500
#9975C9
oklch(63.1% 0.128 302.7)
-
Step 600
600
#835CB6
oklch(55.6% 0.139 302.1)
-
Step 700
700
#6F4B9C
oklch(49% 0.129 302.4)
-
Step 800
800
#5B3E7F
oklch(42.7% 0.108 302.7)
-
Step 900
900
#4A3566
oklch(37.6% 0.084 302.3)
-
Step 950
950
#2B203C
oklch(27.1% 0.052 301.1)
#AC91D4 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) | #839DD7 | 0.061 |
| Deuteranopia (no green cones) | #889DD2 | 0.057 |
| Tritanopia (no blue cones) | #A59BA9 | 0.078 |
| Achromatopsia (no color) | #9D9D9D | 0.100 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #AC91D4
#AC91D4
oklch(70.6% 0.1 302.4)
- #95AA62
#95AA62
oklch(70.5% 0.1 122.3)
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 #AC91D4, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Pale Purple #B790D4 ΔE 0.017
- Wisteria #A87DC2 ΔE 0.053
- Perrywinkle #8F8CE7 ΔE 0.055
- Heather #A484AC ΔE 0.063
- Dusty Lavender #AC86A8 ΔE 0.064
- Periwinkle Blue #8F99FB ΔE 0.067
- Baby Purple #CA9BF7 ΔE 0.072
- Liliac #C48EFD ΔE 0.073
Use #AC91D4 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.