#6C448E
Closest named color: Rebecca Purple (#663399). oklch(46.6% 0.122 307.3), rgb(108, 68, 142).
Aa
White text reads best on this color (7.35:1).
About this color
#6C448E is a medium-dark, moderately saturated purple. In OKLCH its lightness is 47%, its chroma 0.122 and its hue 307°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Rebecca Purple (#663399), ΔE 0.047 away. White text reads best on it, at 7.35:1.
| Hue family | Purples |
| Lightness | medium-dark (47%) |
| Chroma | moderately saturated (0.122) |
| Temperature | in between |
| Nearest name | Rebecca Purple (#663399) |
| Black text | 2.85:1 |
| White text | 7.35:1 |
Values
| HEX | #6C448E |
| RGB | rgb(108, 68, 142) |
| HSL | hsl(272, 35%, 41%) |
| OKLCH | oklch(46.6% 0.122 307.3) |
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 #6C448E | 7.35:1 | AAA | Lc -90.2 | Preferred for body text |
| Black text on #6C448E | 2.85:1 | Fails | Lc 18.7 | Dividers and decoration only |
| #6C448E text on white | 7.35:1 | AAA | Lc 85.3 | Fine for body text |
| #6C448E text on black | 2.85:1 | Fails | Lc -16.7 | 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
#F7F4FA
oklch(97.1% 0.009 308.4)
-
Step 100
100
#EDE7F3
oklch(93.6% 0.017 308.3)
-
Step 200
200
#DFD4EA
oklch(88.5% 0.032 308.1)
-
Step 300
300
#CBB7DF
oklch(80.9% 0.059 307.6)
-
Step 400
400
#B091CF
oklch(70.7% 0.095 307)
-
Step 500
500
#9D75C2
oklch(63.2% 0.12 307.2)
-
Step 600
600
#885CAE
oklch(55.6% 0.13 307.4)
-
Step 700
700 (this color)
#6C448E
oklch(46.6% 0.122 307.3)
-
Step 800
800
#5E3E79
oklch(42.7% 0.1 307.7)
-
Step 900
900
#4D3562
oklch(37.7% 0.079 307.6)
-
Step 950
950
#2D1F39
oklch(26.9% 0.05 308.1)
#6C448E 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) | #2F5491 | 0.095 |
| Deuteranopia (no green cones) | #3B568C | 0.086 |
| Tritanopia (no blue cones) | #675162 | 0.089 |
| Achromatopsia (no color) | #565656 | 0.123 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #6C448E
#6C448E
oklch(46.6% 0.122 307.3)
- #476500
#476500
oklch(46.6% 0.12 127.1)
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 #6C448E, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Rebecca Purple #663399 ΔE 0.047
- Light Eggplant #894585 ΔE 0.058
- Twilight #4E518B ΔE 0.058
- Dark Slate Blue #483D8B ΔE 0.069
- Dusk #4E5481 ΔE 0.069
- Blueberry #464196 ΔE 0.069
- Muted Purple #805B87 ΔE 0.077
- Dusty Grape #545775 ΔE 0.082
Use #6C448E 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.