#644983
Closest named color: Twilight (#4E518B). oklch(46% 0.096 304.4), rgb(100, 73, 131).
Aa
White text reads best on this color (7.43:1).
About this color
#644983 is a medium-dark, moderately saturated purple. In OKLCH its lightness is 46%, its chroma 0.096 and its hue 304°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Twilight (#4E518B), ΔE 0.040 away. White text reads best on it, at 7.43:1.
| Hue family | Purples |
| Lightness | medium-dark (46%) |
| Chroma | moderately saturated (0.096) |
| Temperature | in between |
| Nearest name | Twilight (#4E518B) |
| Black text | 2.82:1 |
| White text | 7.43:1 |
Values
| HEX | #644983 |
| RGB | rgb(100, 73, 131) |
| HSL | hsl(268, 28%, 40%) |
| OKLCH | oklch(46% 0.096 304.4) |
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 #644983 | 7.43:1 | AAA | Lc -90.6 | Preferred for body text |
| Black text on #644983 | 2.82:1 | Fails | Lc 18.3 | Dividers and decoration only |
| #644983 text on white | 7.43:1 | AAA | Lc 85.7 | Fine for body text |
| #644983 text on black | 2.82:1 | 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
#ECE8F1
oklch(93.7% 0.013 306)
-
Step 200
200
#DDD5E7
oklch(88.5% 0.026 305.8)
-
Step 300
300
#C7BADA
oklch(81% 0.047 303.8)
-
Step 400
400
#AB95C7
oklch(70.7% 0.076 304.6)
-
Step 500
500
#967BB8
oklch(63.1% 0.094 304.1)
-
Step 600
600
#8163A4
oklch(55.6% 0.103 304.5)
-
Step 700
700 (this color)
#644983
oklch(46% 0.096 304.4)
-
Step 800
800
#594372
oklch(42.7% 0.08 304.8)
-
Step 900
900
#49395C
oklch(37.7% 0.061 304.6)
-
Step 950
950
#2B2136
oklch(26.9% 0.04 305.7)
#644983 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) | #3B5485 | 0.066 |
| Deuteranopia (no green cones) | #415581 | 0.061 |
| Tritanopia (no blue cones) | #5F535F | 0.074 |
| Achromatopsia (no color) | #555555 | 0.097 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #644983
#644983
oklch(46% 0.096 304.4)
- #4C611D
#4C611D
oklch(46% 0.096 124.8)
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 #644983, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Twilight #4E518B ΔE 0.040
- Dusk #4E5481 ΔE 0.045
- Dusty Grape #545775 ΔE 0.056
- Dark Slate Blue #483D8B ΔE 0.064
- Blueberry #464196 ΔE 0.067
- Rebecca Purple #663399 ΔE 0.067
- Light Eggplant #894585 ΔE 0.068
- Dusky Blue #475F94 ΔE 0.071
Use #644983 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.