#64419E
Closest named color: Rebecca Purple (#663399). oklch(46.3% 0.145 297.8), rgb(100, 65, 158).
Aa
White text reads best on this color (7.52:1).
About this color
#64419E is a medium-dark, vivid purple. In OKLCH its lightness is 46%, its chroma 0.145 and its hue 298°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Rebecca Purple (#663399), ΔE 0.031 away. White text reads best on it, at 7.52:1.
| Hue family | Purples |
| Lightness | medium-dark (46%) |
| Chroma | vivid (0.145) |
| Temperature | in between |
| Nearest name | Rebecca Purple (#663399) |
| Black text | 2.79:1 |
| White text | 7.52:1 |
Values
| HEX | #64419E |
| RGB | rgb(100, 65, 158) |
| HSL | hsl(263, 42%, 44%) |
| OKLCH | oklch(46.3% 0.145 297.8) |
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 #64419E | 7.52:1 | AAA | Lc -90.6 | Preferred for body text |
| Black text on #64419E | 2.79:1 | Fails | Lc 18.2 | Dividers and decoration only |
| #64419E text on white | 7.52:1 | AAA | Lc 85.8 | Fine for body text |
| #64419E text on black | 2.79:1 | Fails | Lc -16.2 | 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
#F6F4FB
oklch(97.1% 0.009 299.2)
-
Step 100
100
#EBE7F6
oklch(93.5% 0.021 298.2)
-
Step 200
200
#DCD4F0
oklch(88.5% 0.039 298.7)
-
Step 300
300
#C5B7E9
oklch(80.8% 0.071 297.6)
-
Step 400
400
#A991DE
oklch(70.7% 0.113 297.8)
-
Step 500
500
#9574D4
oklch(63.2% 0.143 298.1)
-
Step 600
600
#805AC2
oklch(55.6% 0.157 298)
-
Step 700
700 (this color)
#64419E
oklch(46.3% 0.145 297.8)
-
Step 800
800
#583D87
oklch(42.7% 0.12 298)
-
Step 900
900
#48356C
oklch(37.7% 0.093 297.7)
-
Step 950
950
#2A1F3F
oklch(26.9% 0.059 298.2)
#64419E 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) | #1055A1 | 0.104 |
| Deuteranopia (no green cones) | #20539C | 0.096 |
| Tritanopia (no blue cones) | #575469 | 0.112 |
| Achromatopsia (no color) | #545454 | 0.146 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #64419E
#64419E
oklch(46.3% 0.145 297.8)
- #546000
#546000
oklch(46.2% 0.107 117.9)
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 #64419E, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Rebecca Purple #663399 ΔE 0.031
- Blueberry #464196 ΔE 0.053
- Dark Slate Blue #483D8B ΔE 0.059
- Twilight #4E518B ΔE 0.064
- Bluey Purple #6241C7 ΔE 0.065
- Blue With A Hint Of Purple #533CC6 ΔE 0.073
- Iris #6258C4 ΔE 0.077
- Dusk #4E5481 ΔE 0.081
Use #64419E 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.