#6C3A9E
Closest named color: Rebecca Purple (#663399). oklch(46.1% 0.157 303.8), rgb(108, 58, 158).
Aa
White text reads best on this color (7.67:1).
About this color
#6C3A9E is a medium-dark, vivid purple. In OKLCH its lightness is 46%, its chroma 0.157 and its hue 304°. 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 7.67:1.
| Hue family | Purples |
| Lightness | medium-dark (46%) |
| Chroma | vivid (0.157) |
| Temperature | in between |
| Nearest name | Rebecca Purple (#663399) |
| Black text | 2.73:1 |
| White text | 7.67:1 |
Values
| HEX | #6C3A9E |
| RGB | rgb(108, 58, 158) |
| HSL | hsl(270, 46%, 42%) |
| OKLCH | oklch(46.1% 0.157 303.8) |
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 #6C3A9E | 7.67:1 | AAA | Lc -91.0 | Preferred for body text |
| Black text on #6C3A9E | 2.73:1 | Fails | Lc 17.8 | Dividers and decoration only |
| #6C3A9E text on white | 7.67:1 | AAA | Lc 86.2 | Fine for body text |
| #6C3A9E text on black | 2.73:1 | Fails | Lc -15.9 | 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
#F7F4FB
oklch(97.1% 0.01 305.4)
-
Step 100
100
#EDE7F6
oklch(93.7% 0.021 304)
-
Step 200
200
#DFD3F1
oklch(88.6% 0.043 303.7)
-
Step 300
300
#CBB5E9
oklch(80.9% 0.076 304)
-
Step 400
400
#B18DDE
oklch(70.7% 0.121 303.9)
-
Step 500
500
#9E6ED5
oklch(63.1% 0.156 303.8)
-
Step 600
600
#8953C2
oklch(55.5% 0.17 303.8)
-
Step 700
700 (this color)
#6C3A9E
oklch(46.1% 0.157 303.8)
-
Step 800
800
#5F3888
oklch(42.7% 0.131 303.9)
-
Step 900
900
#4D316D
oklch(37.6% 0.102 303.4)
-
Step 950
950
#2D1D40
oklch(26.9% 0.065 303.4)
#6C3A9E 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) | #0052A1 | 0.127 |
| Deuteranopia (no green cones) | #1F539C | 0.116 |
| Tritanopia (no blue cones) | #634F66 | 0.116 |
| Achromatopsia (no color) | #535353 | 0.159 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #6C3A9E
#6C3A9E
oklch(46.1% 0.157 303.8)
- #4B6200
#4B6200
oklch(46% 0.114 124)
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 #6C3A9E, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Rebecca Purple #663399 ΔE 0.021
- Blueberry #464196 ΔE 0.069
- Bluey Purple #6241C7 ΔE 0.069
- Dark Slate Blue #483D8B ΔE 0.072
- Grape #7209B7 ΔE 0.072
- Blue With A Hint Of Purple #533CC6 ΔE 0.080
- Light Eggplant #894585 ΔE 0.080
- Twilight #4E518B ΔE 0.082
Use #6C3A9E 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.