#6C389C
Closest named color: Rebecca Purple (#663399). oklch(45.7% 0.158 304.8), rgb(108, 56, 156).
Aa
White text reads best on this color (7.82:1).
About this color
#6C389C is a medium-dark, vivid purple. In OKLCH its lightness is 46%, its chroma 0.158 and its hue 305°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Rebecca Purple (#663399), ΔE 0.017 away. White text reads best on it, at 7.82:1.
| Hue family | Purples |
| Lightness | medium-dark (46%) |
| Chroma | vivid (0.158) |
| Temperature | in between |
| Nearest name | Rebecca Purple (#663399) |
| Black text | 2.68:1 |
| White text | 7.82:1 |
Values
| HEX | #6C389C |
| RGB | rgb(108, 56, 156) |
| HSL | hsl(271, 47%, 42%) |
| OKLCH | oklch(45.7% 0.158 304.8) |
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 #6C389C | 7.82:1 | AAA | Lc -91.4 | Preferred for body text |
| Black text on #6C389C | 2.68:1 | Fails | Lc 17.4 | Dividers and decoration only |
| #6C389C text on white | 7.82:1 | AAA | Lc 86.7 | Fine for body text |
| #6C389C text on black | 2.68:1 | Fails | Lc -15.4 | 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
#F7F3FC
oklch(97% 0.013 306)
-
Step 100
100
#EEE6F9
oklch(93.7% 0.027 304.8)
-
Step 200
200
#E1D1F5
oklch(88.5% 0.052 305.4)
-
Step 300
300
#CEB2F1
oklch(80.9% 0.092 304.7)
-
Step 400
400
#B687EA
oklch(70.7% 0.147 304.8)
-
Step 500
500
#A465E3
oklch(63.1% 0.188 304.7)
-
Step 600
600
#9047D1
oklch(55.6% 0.205 304.9)
-
Step 700
700
#7B37B5
oklch(49.2% 0.191 305)
-
Step 800
800 (this color)
#6C389C
oklch(45.7% 0.158 304.8)
-
Step 900
900
#512B75
oklch(37.7% 0.124 304.8)
-
Step 950
950
#2F1A44
oklch(26.9% 0.078 304.8)
#6C389C 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) | #00519F | 0.129 |
| Deuteranopia (no green cones) | #1E529A | 0.119 |
| Tritanopia (no blue cones) | #634D65 | 0.114 |
| Achromatopsia (no color) | #525252 | 0.159 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #6C389C
#6C389C
oklch(45.7% 0.158 304.8)
- #496100
#496100
oklch(45.6% 0.114 124.7)
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 #6C389C, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Rebecca Purple #663399 ΔE 0.017
- Blueberry #464196 ΔE 0.069
- Dark Slate Blue #483D8B ΔE 0.071
- Grape #7209B7 ΔE 0.071
- Bluey Purple #6241C7 ΔE 0.073
- Light Eggplant #894585 ΔE 0.080
- Blue With A Hint Of Purple #533CC6 ΔE 0.082
- Twilight #4E518B ΔE 0.083
Use #6C389C 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.