#64488B
Closest named color: Twilight (#4E518B). oklch(46.2% 0.109 301.6), rgb(100, 72, 139).
Aa
White text reads best on this color (7.39:1).
About this color
#64488B is a medium-dark, moderately saturated purple. In OKLCH its lightness is 46%, its chroma 0.109 and its hue 302°. 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 7.39:1.
| Hue family | Purples |
| Lightness | medium-dark (46%) |
| Chroma | moderately saturated (0.109) |
| Temperature | in between |
| Nearest name | Twilight (#4E518B) |
| Black text | 2.84:1 |
| White text | 7.39:1 |
Values
| HEX | #64488B |
| RGB | rgb(100, 72, 139) |
| HSL | hsl(265, 32%, 41%) |
| OKLCH | oklch(46.2% 0.109 301.6) |
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 #64488B | 7.39:1 | AAA | Lc -90.4 | Preferred for body text |
| Black text on #64488B | 2.84:1 | Fails | Lc 18.5 | Dividers and decoration only |
| #64488B text on white | 7.39:1 | AAA | Lc 85.5 | Fine for body text |
| #64488B text on black | 2.84:1 | Fails | Lc -16.5 | 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
#EBE8F3
oklch(93.7% 0.015 298.6)
-
Step 200
200
#DCD5EA
oklch(88.5% 0.029 301)
-
Step 300
300
#C6B9DE
oklch(80.8% 0.053 301.2)
-
Step 400
400
#AA94CD
oklch(70.6% 0.085 302)
-
Step 500
500
#9579C0
oklch(63% 0.108 301.5)
-
Step 600
600
#8061AC
oklch(55.6% 0.117 301.8)
-
Step 700
700 (this color)
#64488B
oklch(46.2% 0.109 301.6)
-
Step 800
800
#584278
oklch(42.7% 0.09 301.5)
-
Step 900
900
#483861
oklch(37.7% 0.071 301.1)
-
Step 950
950
#2A2139
oklch(27% 0.045 300.7)
#64488B 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) | #34558D | 0.075 |
| Deuteranopia (no green cones) | #3B5589 | 0.068 |
| Tritanopia (no blue cones) | #5D5463 | 0.083 |
| Achromatopsia (no color) | #565656 | 0.109 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #64488B
#64488B
oklch(46.2% 0.109 301.6)
- #4F6106
#4F6106
oklch(46.1% 0.109 121.6)
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 #64488B, 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 0.052
- Rebecca Purple #663399 ΔE 0.056
- Dark Slate Blue #483D8B ΔE 0.060
- Blueberry #464196 ΔE 0.060
- Dusty Grape #545775 ΔE 0.066
- Light Eggplant #894585 ΔE 0.069
- Dusky Blue #475F94 ΔE 0.071
Use #64488B 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.