#64368D
Closest named color: Rebecca Purple (#663399). oklch(43.4% 0.141 305.7), rgb(100, 54, 141).
Aa
White text reads best on this color (8.55:1).
About this color
#64368D is a dark, vivid purple. In OKLCH its lightness is 43%, its chroma 0.141 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 0.021 away. White text reads best on it, at 8.55:1.
| Hue family | Purples |
| Lightness | dark (43%) |
| Chroma | vivid (0.141) |
| Temperature | in between |
| Nearest name | Rebecca Purple (#663399) |
| Black text | 2.45:1 |
| White text | 8.55:1 |
Values
| HEX | #64368D |
| RGB | rgb(100, 54, 141) |
| HSL | hsl(272, 45%, 38%) |
| OKLCH | oklch(43.4% 0.141 305.7) |
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 #64368D | 8.55:1 | AAA | Lc -93.6 | Preferred for body text |
| Black text on #64368D | 2.45:1 | Fails | Lc 15.0 | Not readable |
| #64368D text on white | 8.55:1 | AAA | Lc 89.0 | Fine for body text |
| #64368D text on black | 2.45:1 | Fails | Lc -13.2 | 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
#CDB3EC
oklch(80.8% 0.084 305.4)
-
Step 400
400
#B58AE2
oklch(70.8% 0.132 305.8)
-
Step 500
500
#A36AD9
oklch(63.2% 0.168 305.9)
-
Step 600
600
#8E4EC7
oklch(55.6% 0.184 305.6)
-
Step 700
700
#793EAC
oklch(49.2% 0.171 305.7)
-
Step 800
800 (this color)
#64368D
oklch(43.4% 0.141 305.7)
-
Step 900
900
#502F6F
oklch(37.8% 0.109 305.6)
-
Step 950
950
#2F1C41
oklch(27% 0.07 306)
#64368D 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) | #0C4B90 | 0.117 |
| Deuteranopia (no green cones) | #244C8B | 0.104 |
| Tritanopia (no blue cones) | #5D475C | 0.102 |
| Achromatopsia (no color) | #4C4C4C | 0.142 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #64368D
#64368D
oklch(43.4% 0.141 305.7)
- #425B00
#425B00
oklch(43.5% 0.11 125.9)
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 #64368D, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Rebecca Purple #663399 ΔE 0.021
- Dark Slate Blue #483D8B ΔE 0.052
- Blueberry #464196 ΔE 0.058
- Twilight #4E518B ΔE 0.075
- Purple #800080 ΔE 0.084
- Light Eggplant #894585 ΔE 0.087
- Chrysanthemum #560BAD ΔE 0.087
- Grape #7209B7 ΔE 0.088
Use #64368D 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.