#664193
Closest named color: Rebecca Purple (#663399). oklch(45.7% 0.132 302.3), rgb(102, 65, 147).
Aa
White text reads best on this color (7.65:1).
About this color
#664193 is a medium-dark, moderately saturated purple. In OKLCH its lightness is 46%, its chroma 0.132 and its hue 302°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Rebecca Purple (#663399), ΔE 0.033 away. White text reads best on it, at 7.65:1.
| Hue family | Purples |
| Lightness | medium-dark (46%) |
| Chroma | moderately saturated (0.132) |
| Temperature | in between |
| Nearest name | Rebecca Purple (#663399) |
| Black text | 2.74:1 |
| White text | 7.65:1 |
Values
| HEX | #664193 |
| RGB | rgb(102, 65, 147) |
| HSL | hsl(267, 39%, 42%) |
| OKLCH | oklch(45.7% 0.132 302.3) |
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 #664193 | 7.65:1 | AAA | Lc -91.1 | Preferred for body text |
| Black text on #664193 | 2.74:1 | Fails | Lc 17.7 | Dividers and decoration only |
| #664193 text on white | 7.65:1 | AAA | Lc 86.3 | Fine for body text |
| #664193 text on black | 2.74:1 | Fails | Lc -15.8 | 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 800.
-
Step 50
50
#F7F4FB
oklch(97.1% 0.01 305.4)
-
Step 100
100
#ECE7F7
oklch(93.7% 0.022 300.2)
-
Step 200
200
#DED3F1
oklch(88.5% 0.042 302.2)
-
Step 300
300
#CAB5EA
oklch(80.9% 0.077 302.8)
-
Step 400
400
#AF8DE0
oklch(70.6% 0.123 302.2)
-
Step 500
500
#9C6ED7
oklch(63% 0.158 302.3)
-
Step 600
600
#8754C5
oklch(55.6% 0.171 301.9)
-
Step 700
700
#7343AA
oklch(49% 0.16 302.3)
-
Step 800
800 (this color)
#664193
oklch(45.7% 0.132 302.3)
-
Step 900
900
#4C316E
oklch(37.6% 0.103 302.1)
-
Step 950
950
#2D1D40
oklch(26.9% 0.065 303.4)
#664193 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) | #225396 | 0.098 |
| Deuteranopia (no green cones) | #2E5391 | 0.090 |
| Tritanopia (no blue cones) | #5D5163 | 0.100 |
| Achromatopsia (no color) | #535353 | 0.133 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #664193
#664193
oklch(45.7% 0.132 302.3)
- #4D6000
#4D6000
oklch(45.7% 0.111 122.1)
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 #664193, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Rebecca Purple #663399 ΔE 0.033
- Blueberry #464196 ΔE 0.056
- Dark Slate Blue #483D8B ΔE 0.057
- Twilight #4E518B ΔE 0.058
- Dusk #4E5481 ΔE 0.072
- Light Eggplant #894585 ΔE 0.073
- Bluey Purple #6241C7 ΔE 0.084
- Dusky Blue #475F94 ΔE 0.088
Use #664193 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.