#99639F
Closest named color: Dark Lilac (#9C6DA5). oklch(58% 0.108 323.3), rgb(153, 99, 159).
Aa
Black text reads best on this color (4.63:1).
About this color
#99639F is a medium-dark, moderately saturated purple. In OKLCH its lightness is 58%, its chroma 0.108 and its hue 323°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Dark Lilac (#9C6DA5), ΔE 0.026 away. Black text reads best on it, at 4.63:1.
| Hue family | Purples |
| Lightness | medium-dark (58%) |
| Chroma | moderately saturated (0.108) |
| Temperature | in between |
| Nearest name | Dark Lilac (#9C6DA5) |
| Black text | 4.63:1 |
| White text | 4.52:1 |
Values
| HEX | #99639F |
| RGB | rgb(153, 99, 159) |
| HSL | hsl(294, 24%, 51%) |
| OKLCH | oklch(58% 0.108 323.3) |
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 #99639F | 4.52:1 | AA | Lc -76.7 | Fine for body text |
| Black text on #99639F | 4.63:1 | AA | Lc 32.8 | Non-text elements, placeholder text |
| #99639F text on white | 4.52:1 | AA | Lc 71.3 | Content text, not long reading |
| #99639F text on black | 4.63:1 | AA | Lc -30.4 | Non-text elements, placeholder text |
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
#F8F4F8
oklch(97.1% 0.007 325.6)
-
Step 100
100
#EFE7EF
oklch(93.7% 0.014 325.7)
-
Step 200
200
#E2D3E4
oklch(88.4% 0.028 322.2)
-
Step 300
300
#D1B7D3
oklch(81% 0.048 323.8)
-
Step 400
400
#B990BD
oklch(70.7% 0.079 323.4)
-
Step 500
500
#A774AC
oklch(63.1% 0.1 323.6)
-
Step 600
600 (this color)
#99639F
oklch(58% 0.108 323.3)
-
Step 700
700
#7C4C81
oklch(49.2% 0.1 323.5)
-
Step 800
800
#653E69
oklch(42.7% 0.084 323.6)
-
Step 900
900
#523555
oklch(37.6% 0.065 323.5)
-
Step 950
950
#301F32
oklch(26.9% 0.042 323)
#99639F 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) | #5D72A1 | 0.097 |
| Deuteranopia (no green cones) | #6A799D | 0.090 |
| Tritanopia (no blue cones) | #9B697A | 0.065 |
| Achromatopsia (no color) | #767676 | 0.109 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #99639F
#99639F
oklch(58% 0.108 323.3)
- #508B4E
#508B4E
oklch(58.1% 0.11 143.3)
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 #99639F, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Dark Lilac #9C6DA5 ΔE 0.026
- Faded Purple #916E99 ΔE 0.034
- Dark Lavender #856798 ΔE 0.037
- Light Plum #9D5783 ΔE 0.046
- Soft Purple #A66FB5 ΔE 0.047
- Deep Lilac #966EBD ΔE 0.048
- Deep Lavender #8D5EB7 ΔE 0.048
- Amethyst #9B5FC0 ΔE 0.054
Use #99639F 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.