#A91BD7
Closest named color: Vibrant Purple (#AD03DE). oklch(55.6% 0.259 315.1), rgb(169, 27, 215).
Aa
White text reads best on this color (5.49:1).
About this color
#A91BD7 is a medium-dark, vivid purple. In OKLCH its lightness is 56%, its chroma 0.259 and its hue 315°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Vibrant Purple (#AD03DE), ΔE 0.016 away. White text reads best on it, at 5.49:1.
| Hue family | Purples |
| Lightness | medium-dark (56%) |
| Chroma | vivid (0.259) |
| Temperature | in between |
| Nearest name | Vibrant Purple (#AD03DE) |
| Black text | 3.82:1 |
| White text | 5.49:1 |
Values
| HEX | #A91BD7 |
| RGB | rgb(169, 27, 215) |
| HSL | hsl(285, 78%, 47%) |
| OKLCH | oklch(55.6% 0.259 315.1) |
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 #A91BD7 | 5.49:1 | AA | Lc -81.0 | Fine for body text |
| Black text on #A91BD7 | 3.82:1 | AA large text | Lc 28.5 | Dividers and decoration only |
| #A91BD7 text on white | 5.49:1 | AA | Lc 75.6 | Fine for body text |
| #A91BD7 text on black | 3.82:1 | AA large text | Lc -26.1 | Dividers and decoration only |
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 600.
-
Step 50
50
#FAF2FD
oklch(97% 0.017 316.9)
-
Step 100
100
#F3E4FA
oklch(93.7% 0.033 315.2)
-
Step 200
200
#EACDF7
oklch(88.6% 0.065 315.4)
-
Step 300
300
#DDA9F4
oklch(80.8% 0.117 315.2)
-
Step 400
400
#CC77EF
oklch(70.8% 0.187 315.3)
-
Step 500
500
#BD4AE9
oklch(63% 0.239 315)
-
Step 600
600 (this color)
#A91BD7
oklch(55.6% 0.259 315.1)
-
Step 700
700
#9101BA
oklch(49.1% 0.241 315.3)
-
Step 800
800
#760F97
oklch(42.7% 0.2 315.2)
-
Step 900
900
#5F1A78
oklch(37.7% 0.155 315.1)
-
Step 950
950
#381246
oklch(27% 0.098 315.6)
#A91BD7 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) | #0062DC | 0.225 |
| Deuteranopia (no green cones) | #016CD3 | 0.230 |
| Tritanopia (no blue cones) | #A55080 | 0.166 |
| Achromatopsia (no color) | #696969 | 0.262 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #A91BD7
#A91BD7
oklch(55.6% 0.259 315.1)
- #448700
#448700
oklch(55.7% 0.163 135.2)
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 #A91BD7, closest first.
No curated palette has a color within ΔE 0.04 of #A91BD7.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Vibrant Purple #AD03DE ΔE 0.016
- Dark Orchid #9932CC ΔE 0.038
- Dark Violet #9400D3 ΔE 0.047
- Bright Violet #AD0AFD ΔE 0.058
- Electric Purple #AA23FF ΔE 0.062
- Blue Violet #8A2BE2 ΔE 0.066
- Neon Purple #BC13FE ΔE 0.067
- Bright Purple #BE03FD ΔE 0.067
Use #A91BD7 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.