#64488A
Closest named color: Twilight (#4E518B). oklch(46.2% 0.107 301.9), rgb(100, 72, 138).
Aa
White text reads best on this color (7.40:1).
About this color
#64488A is a medium-dark, moderately saturated purple. In OKLCH its lightness is 46%, its chroma 0.107 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 7.40:1.
| Hue family | Purples |
| Lightness | medium-dark (46%) |
| Chroma | moderately saturated (0.107) |
| Temperature | in between |
| Nearest name | Twilight (#4E518B) |
| Black text | 2.83:1 |
| White text | 7.40:1 |
Values
| HEX | #64488A |
| RGB | rgb(100, 72, 138) |
| HSL | hsl(265, 31%, 41%) |
| OKLCH | oklch(46.2% 0.107 301.9) |
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 #64488A | 7.40:1 | AAA | Lc -90.4 | Preferred for body text |
| Black text on #64488A | 2.83:1 | Fails | Lc 18.4 | Dividers and decoration only |
| #64488A text on white | 7.40:1 | AAA | Lc 85.6 | Fine for body text |
| #64488A text on black | 2.83:1 | 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
#EBE8F2
oklch(93.6% 0.014 299.8)
-
Step 200
200
#DCD5EA
oklch(88.5% 0.029 301)
-
Step 300
300
#C6B9DD
oklch(80.8% 0.052 301.7)
-
Step 400
400
#AA94CC
oklch(70.6% 0.084 302.3)
-
Step 500
500
#9579BF
oklch(63% 0.107 301.8)
-
Step 600
600
#8061AB
oklch(55.5% 0.116 302.1)
-
Step 700
700 (this color)
#64488A
oklch(46.2% 0.107 301.9)
-
Step 800
800
#584277
oklch(42.7% 0.089 301.9)
-
Step 900
900
#483860
oklch(37.6% 0.069 301.6)
-
Step 950
950
#2A2138
oklch(26.9% 0.043 301.5)
#64488A 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) | #35558C | 0.074 |
| Deuteranopia (no green cones) | #3C5588 | 0.068 |
| Tritanopia (no blue cones) | #5D5462 | 0.083 |
| Achromatopsia (no color) | #555555 | 0.108 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #64488A
#64488A
oklch(46.2% 0.107 301.9)
- #4F610A
#4F610A
oklch(46.1% 0.107 121.7)
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 #64488A, 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 0.051
- Rebecca Purple #663399 ΔE 0.057
- Dark Slate Blue #483D8B ΔE 0.060
- Blueberry #464196 ΔE 0.061
- Dusty Grape #545775 ΔE 0.065
- Light Eggplant #894585 ΔE 0.069
- Dusky Blue #475F94 ΔE 0.071
Use #64488A 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.