#6C39A7
Closest named color: Rebecca Purple (#663399). oklch(46.6% 0.169 301.4), rgb(108, 57, 167).
Aa
White text reads best on this color (7.55:1).
About this color
#6C39A7 is a medium-dark, vivid purple. In OKLCH its lightness is 47%, its chroma 0.169 and its hue 301°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Rebecca Purple (#663399), ΔE 0.028 away. White text reads best on it, at 7.55:1.
| Hue family | Purples |
| Lightness | medium-dark (47%) |
| Chroma | vivid (0.169) |
| Temperature | in between |
| Nearest name | Rebecca Purple (#663399) |
| Black text | 2.78:1 |
| White text | 7.55:1 |
Values
| HEX | #6C39A7 |
| RGB | rgb(108, 57, 167) |
| HSL | hsl(268, 49%, 44%) |
| OKLCH | oklch(46.6% 0.169 301.4) |
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 #6C39A7 | 7.55:1 | AAA | Lc -90.5 | Preferred for body text |
| Black text on #6C39A7 | 2.78:1 | Fails | Lc 18.3 | Dividers and decoration only |
| #6C39A7 text on white | 7.55:1 | AAA | Lc 85.7 | Fine for body text |
| #6C39A7 text on black | 2.78:1 | Fails | Lc -16.3 | 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
#F7F4FC
oklch(97.2% 0.011 303.1)
-
Step 100
100
#ECE6F8
oklch(93.5% 0.025 301.1)
-
Step 200
200
#DED3F3
oklch(88.6% 0.045 301.1)
-
Step 300
300
#CAB5EE
oklch(81% 0.082 301.4)
-
Step 400
400
#AF8CE5
oklch(70.7% 0.131 301.2)
-
Step 500
500
#9C6CDD
oklch(63% 0.168 301.4)
-
Step 600
600
#8851CB
oklch(55.7% 0.183 301.5)
-
Step 700
700 (this color)
#6C39A7
oklch(46.6% 0.169 301.4)
-
Step 800
800
#5E368E
oklch(42.7% 0.141 301.6)
-
Step 900
900
#4C3071
oklch(37.6% 0.109 301.2)
-
Step 950
950
#2D1D42
oklch(27.1% 0.068 302)
#6C39A7 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) | #0054AA | 0.127 |
| Deuteranopia (no green cones) | #0754A5 | 0.126 |
| Tritanopia (no blue cones) | #60526B | 0.127 |
| Achromatopsia (no color) | #545454 | 0.171 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #6C39A7
#6C39A7
oklch(46.6% 0.169 301.4)
- #506300
#506300
oklch(46.7% 0.113 121.8)
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 #6C39A7, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Rebecca Purple #663399 ΔE 0.028
- Bluey Purple #6241C7 ΔE 0.056
- Grape #7209B7 ΔE 0.062
- Blue With A Hint Of Purple #533CC6 ΔE 0.068
- Blueberry #464196 ΔE 0.073
- Blurple #5539CC ΔE 0.074
- Dark Slate Blue #483D8B ΔE 0.078
- Iris #6258C4 ΔE 0.080
Use #6C39A7 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.