#644887
Closest named color: Twilight (#4E518B). oklch(46% 0.103 303.1), rgb(100, 72, 135).
Aa
White text reads best on this color (7.45:1).
About this color
#644887 is a medium-dark, moderately saturated purple. In OKLCH its lightness is 46%, its chroma 0.103 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 7.45:1.
| Hue family | Purples |
| Lightness | medium-dark (46%) |
| Chroma | moderately saturated (0.103) |
| Temperature | in between |
| Nearest name | Twilight (#4E518B) |
| Black text | 2.81:1 |
| White text | 7.45:1 |
Values
| HEX | #644887 |
| RGB | rgb(100, 72, 135) |
| HSL | hsl(267, 30%, 41%) |
| OKLCH | oklch(46% 0.103 303.1) |
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 #644887 | 7.45:1 | AAA | Lc -90.6 | Preferred for body text |
| Black text on #644887 | 2.81:1 | Fails | Lc 18.3 | Dividers and decoration only |
| #644887 text on white | 7.45:1 | AAA | Lc 85.7 | Fine for body text |
| #644887 text on black | 2.81:1 | Fails | Lc -16.3 | 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
#DDD5E9
oklch(88.5% 0.028 303.9)
-
Step 300
300
#C7B9DC
oklch(80.9% 0.051 303.4)
-
Step 400
400
#AA95CA
oklch(70.7% 0.079 302.5)
-
Step 500
500
#967ABC
oklch(63.1% 0.101 303.1)
-
Step 600
600
#8162A8
oklch(55.6% 0.11 303.4)
-
Step 700
700 (this color)
#644887
oklch(46% 0.103 303.1)
-
Step 800
800
#594275
oklch(42.7% 0.086 303.8)
-
Step 900
900
#49385F
oklch(37.7% 0.068 303.4)
-
Step 950
950
#2B2137
oklch(27% 0.042 304.6)
#644887 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) | #375489 | 0.071 |
| Deuteranopia (no green cones) | #3D5585 | 0.067 |
| Tritanopia (no blue cones) | #5E5361 | 0.078 |
| Achromatopsia (no color) | #555555 | 0.104 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #644887
#644887
oklch(46% 0.103 303.1)
- #4D6112
#4D6112
oklch(46% 0.104 123.3)
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 #644887, 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 0.049
- Rebecca Purple #663399 ΔE 0.060
- Dark Slate Blue #483D8B ΔE 0.061
- Dusty Grape #545775 ΔE 0.062
- Blueberry #464196 ΔE 0.063
- Light Eggplant #894585 ΔE 0.068
- Dusky Blue #475F94 ΔE 0.072
Use #644887 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.