#644886
Closest named color: Twilight (#4E518B). oklch(46% 0.102 303.5), rgb(100, 72, 134).
Aa
White text reads best on this color (7.46:1).
About this color
#644886 is a medium-dark, moderately saturated purple. In OKLCH its lightness is 46%, its chroma 0.102 and its hue 303°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Twilight (#4E518B), ΔE 0.041 away. White text reads best on it, at 7.46:1.
| Hue family | Purples |
| Lightness | medium-dark (46%) |
| Chroma | moderately saturated (0.102) |
| Temperature | in between |
| Nearest name | Twilight (#4E518B) |
| Black text | 2.81:1 |
| White text | 7.46:1 |
Values
| HEX | #644886 |
| RGB | rgb(100, 72, 134) |
| HSL | hsl(267, 30%, 40%) |
| OKLCH | oklch(46% 0.102 303.5) |
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 #644886 | 7.46:1 | AAA | Lc -90.6 | Preferred for body text |
| Black text on #644886 | 2.81:1 | Fails | Lc 18.2 | Dividers and decoration only |
| #644886 text on white | 7.46:1 | AAA | Lc 85.8 | Fine for body text |
| #644886 text on black | 2.81:1 | Fails | Lc -16.2 | 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 700.
-
Step 50
50
#F6F4F9
oklch(97% 0.007 304.2)
-
Step 100
100
#ECE8F2
oklch(93.7% 0.014 304.1)
-
Step 200
200
#DDD5E8
oklch(88.5% 0.027 304.8)
-
Step 300
300
#C7B9DB
oklch(80.8% 0.05 304)
-
Step 400
400
#AB95C9
oklch(70.8% 0.078 303.8)
-
Step 500
500
#967ABB
oklch(63.1% 0.1 303.4)
-
Step 600
600
#8162A8
oklch(55.6% 0.11 303.4)
-
Step 700
700 (this color)
#644886
oklch(46% 0.102 303.5)
-
Step 800
800
#594275
oklch(42.7% 0.086 303.8)
-
Step 900
900
#49385E
oklch(37.6% 0.066 304)
-
Step 950
950
#2B2137
oklch(27% 0.042 304.6)
#644886 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) | #375488 | 0.071 |
| Deuteranopia (no green cones) | #3E5584 | 0.066 |
| Tritanopia (no blue cones) | #5E5360 | 0.079 |
| Achromatopsia (no color) | #555555 | 0.102 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #644886
#644886
oklch(46% 0.102 303.5)
- #4D6115
#4D6115
oklch(46% 0.102 123.5)
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 #644886, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Twilight #4E518B ΔE 0.041
- Dusk #4E5481 ΔE 0.048
- Dusty Grape #545775 ΔE 0.061
- Dark Slate Blue #483D8B ΔE 0.061
- Rebecca Purple #663399 ΔE 0.061
- Blueberry #464196 ΔE 0.063
- Light Eggplant #894585 ΔE 0.068
- Dusky Blue #475F94 ΔE 0.072
Use #644886 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.