#91639E
Closest named color: Dark Lavender (#856798). oklch(57% 0.102 318.6), rgb(145, 99, 158).
Aa
White text reads best on this color (4.68:1).
About this color
#91639E is a medium-dark, moderately saturated purple. In OKLCH its lightness is 57%, its chroma 0.102 and its hue 319°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Dark Lavender (#856798), ΔE 0.025 away. White text reads best on it, at 4.68:1.
| Hue family | Purples |
| Lightness | medium-dark (57%) |
| Chroma | moderately saturated (0.102) |
| Temperature | in between |
| Nearest name | Dark Lavender (#856798) |
| Black text | 4.48:1 |
| White text | 4.68:1 |
Values
| HEX | #91639E |
| RGB | rgb(145, 99, 158) |
| HSL | hsl(287, 23%, 50%) |
| OKLCH | oklch(57% 0.102 318.6) |
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 #91639E | 4.68:1 | AA | Lc -77.9 | Fine for body text |
| Black text on #91639E | 4.48:1 | AA large text | Lc 31.7 | Non-text elements, placeholder text |
| #91639E text on white | 4.68:1 | AA | Lc 72.4 | Content text, not long reading |
| #91639E text on black | 4.48:1 | AA large text | Lc -29.3 | 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
#F7F4F8
oklch(97.1% 0.006 317.8)
-
Step 100
100
#EEE7F0
oklch(93.6% 0.014 318.7)
-
Step 200
200
#E1D4E4
oklch(88.5% 0.026 319.9)
-
Step 300
300
#CEB8D4
oklch(81% 0.046 319)
-
Step 400
400
#B592BE
oklch(70.7% 0.074 319.3)
-
Step 500
500
#A277AE
oklch(63.1% 0.094 318.8)
-
Step 600
600 (this color)
#91639E
oklch(57% 0.102 318.6)
-
Step 700
700
#774E83
oklch(49% 0.095 318.4)
-
Step 800
800
#61406B
oklch(42.6% 0.08 318.1)
-
Step 900
900
#4F3756
oklch(37.7% 0.06 318.4)
-
Step 950
950
#2F2033
oklch(27% 0.04 319)
#91639E 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) | #5B71A0 | 0.087 |
| Deuteranopia (no green cones) | #66759C | 0.079 |
| Tritanopia (no blue cones) | #916A79 | 0.066 |
| Achromatopsia (no color) | #747474 | 0.103 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #91639E
#91639E
oklch(57% 0.102 318.6)
- #578649
#578649
oklch(57.1% 0.103 138.8)
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 #91639E, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Dark Lavender #856798 ΔE 0.025
- Faded Purple #916E99 ΔE 0.032
- Dark Lilac #9C6DA5 ΔE 0.033
- Deep Lavender #8D5EB7 ΔE 0.045
- Dusty Purple #825F87 ΔE 0.045
- Light Plum #9D5783 ΔE 0.048
- Muted Purple #805B87 ΔE 0.049
- Grey Purple #826D8C ΔE 0.050
Use #91639E 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.