#64358D
Closest named color: Rebecca Purple (#663399). oklch(43.2% 0.143 305.9), rgb(100, 53, 141).
Aa
White text reads best on this color (8.62:1).
About this color
#64358D is a dark, vivid purple. In OKLCH its lightness is 43%, its chroma 0.143 and its hue 306°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Rebecca Purple (#663399), ΔE 0.020 away. White text reads best on it, at 8.62:1.
| Hue family | Purples |
| Lightness | dark (43%) |
| Chroma | vivid (0.143) |
| Temperature | in between |
| Nearest name | Rebecca Purple (#663399) |
| Black text | 2.43:1 |
| White text | 8.62:1 |
Values
| HEX | #64358D |
| RGB | rgb(100, 53, 141) |
| HSL | hsl(272, 45%, 38%) |
| OKLCH | oklch(43.2% 0.143 305.9) |
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 #64358D | 8.62:1 | AAA | Lc -93.7 | Preferred for body text |
| Black text on #64358D | 2.43:1 | Fails | Lc 14.8 | Not readable |
| #64358D text on white | 8.62:1 | AAA | Lc 89.2 | Fine for body text |
| #64358D text on black | 2.43:1 | Fails | Lc -13.1 | Not readable |
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 800.
-
Step 50
50
#F7F4FC
oklch(97.2% 0.011 303.1)
-
Step 100
100
#EEE6F7
oklch(93.6% 0.024 307)
-
Step 200
200
#E0D2F2
oklch(88.5% 0.046 305.2)
-
Step 300
300
#CEB3EC
oklch(80.9% 0.084 306.1)
-
Step 400
400
#B589E2
oklch(70.6% 0.134 306)
-
Step 500
500
#A369DA
oklch(63.1% 0.171 305.8)
-
Step 600
600
#8F4DC7
oklch(55.6% 0.186 306.2)
-
Step 700
700
#793DAC
oklch(49% 0.173 305.8)
-
Step 800
800 (this color)
#64358D
oklch(43.2% 0.143 305.9)
-
Step 900
900
#502E6F
oklch(37.6% 0.111 305.9)
-
Step 950
950
#2F1C41
oklch(27% 0.07 306)
#64358D 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) | #084A90 | 0.119 |
| Deuteranopia (no green cones) | #234C8B | 0.106 |
| Tritanopia (no blue cones) | #5D475C | 0.103 |
| Achromatopsia (no color) | #4C4C4C | 0.144 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #64358D
#64358D
oklch(43.2% 0.143 305.9)
- #415A00
#415A00
oklch(43.1% 0.11 126)
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 #64358D, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Rebecca Purple #663399 ΔE 0.020
- Dark Slate Blue #483D8B ΔE 0.052
- Blueberry #464196 ΔE 0.059
- Twilight #4E518B ΔE 0.077
- Purple #800080 ΔE 0.083
- Chrysanthemum #560BAD ΔE 0.086
- Grape #7209B7 ΔE 0.087
- Light Eggplant #894585 ΔE 0.088
Use #64358D 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.