#644492
Closest named color: Rebecca Purple (#663399). oklch(46% 0.125 300.5), rgb(100, 68, 146).
Aa
White text reads best on this color (7.54:1).
About this color
#644492 is a medium-dark, moderately saturated purple. In OKLCH its lightness is 46%, its chroma 0.125 and its hue 301°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Rebecca Purple (#663399), ΔE 0.041 away. White text reads best on it, at 7.54:1.
| Hue family | Purples |
| Lightness | medium-dark (46%) |
| Chroma | moderately saturated (0.125) |
| Temperature | in between |
| Nearest name | Rebecca Purple (#663399) |
| Black text | 2.78:1 |
| White text | 7.54:1 |
Values
| HEX | #644492 |
| RGB | rgb(100, 68, 146) |
| HSL | hsl(265, 36%, 42%) |
| OKLCH | oklch(46% 0.125 300.5) |
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 #644492 | 7.54:1 | AAA | Lc -90.8 | Preferred for body text |
| Black text on #644492 | 2.78:1 | Fails | Lc 18.0 | Dividers and decoration only |
| #644492 text on white | 7.54:1 | AAA | Lc 86.0 | Fine for body text |
| #644492 text on black | 2.78:1 | Fails | Lc -16.1 | 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
#F6F4FA
oklch(97% 0.008 301.4)
-
Step 100
100
#EBE7F4
oklch(93.5% 0.018 300.1)
-
Step 200
200
#DCD5ED
oklch(88.6% 0.033 299)
-
Step 300
300
#C7B8E2
oklch(80.9% 0.06 301.4)
-
Step 400
400
#AA93D4
oklch(70.8% 0.096 300.2)
-
Step 500
500
#9677C8
oklch(63.2% 0.122 300.6)
-
Step 600
600
#815EB5
oklch(55.6% 0.134 300.7)
-
Step 700
700 (this color)
#644492
oklch(46% 0.125 300.5)
-
Step 800
800
#59407E
oklch(42.8% 0.102 300.8)
-
Step 900
900
#493666
oklch(37.7% 0.082 300.8)
-
Step 950
950
#2B203B
oklch(27% 0.051 301.9)
#644492 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) | #285495 | 0.088 |
| Deuteranopia (no green cones) | #315490 | 0.082 |
| Tritanopia (no blue cones) | #5B5364 | 0.096 |
| Achromatopsia (no color) | #545454 | 0.126 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #644492
#644492
oklch(46% 0.125 300.5)
- #506000
#506000
oklch(45.9% 0.109 120.3)
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 #644492, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Rebecca Purple #663399 ΔE 0.041
- Twilight #4E518B ΔE 0.050
- Blueberry #464196 ΔE 0.054
- Dark Slate Blue #483D8B ΔE 0.055
- Dusk #4E5481 ΔE 0.064
- Light Eggplant #894585 ΔE 0.074
- Dusky Blue #475F94 ΔE 0.080
- Denim Blue #3B5B92 ΔE 0.081
Use #644492 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.