#6C4599
Closest named color: Rebecca Purple (#663399). oklch(47.5% 0.134 303.1), rgb(108, 69, 153).
Aa
White text reads best on this color (7.12:1).
About this color
#6C4599 is a medium-dark, moderately saturated purple. In OKLCH its lightness is 47%, its chroma 0.134 and its hue 303°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Rebecca Purple (#663399), ΔE 0.043 away. White text reads best on it, at 7.12:1.
| Hue family | Purples |
| Lightness | medium-dark (47%) |
| Chroma | moderately saturated (0.134) |
| Temperature | in between |
| Nearest name | Rebecca Purple (#663399) |
| Black text | 2.94:1 |
| White text | 7.12:1 |
Values
| HEX | #6C4599 |
| RGB | rgb(108, 69, 153) |
| HSL | hsl(268, 38%, 44%) |
| OKLCH | oklch(47.5% 0.134 303.1) |
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 #6C4599 | 7.12:1 | AAA | Lc -89.4 | Fine for body text |
| Black text on #6C4599 | 2.94:1 | Fails | Lc 19.6 | Dividers and decoration only |
| #6C4599 text on white | 7.12:1 | AAA | Lc 84.4 | Fine for body text |
| #6C4599 text on black | 2.94:1 | Fails | Lc -17.6 | 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
#F6F4FA
oklch(97% 0.008 301.4)
-
Step 100
100
#ECE7F5
oklch(93.6% 0.019 302.2)
-
Step 200
200
#DED4ED
oklch(88.6% 0.036 303.8)
-
Step 300
300
#C9B7E4
oklch(80.9% 0.065 303.2)
-
Step 400
400
#AE90D6
oklch(70.6% 0.105 303.5)
-
Step 500
500
#9A74CB
oklch(63.2% 0.132 303)
-
Step 600
600
#855AB8
oklch(55.5% 0.146 303.1)
-
Step 700
700 (this color)
#6C4599
oklch(47.5% 0.134 303.1)
-
Step 800
800
#5C3D80
oklch(42.7% 0.111 303.4)
-
Step 900
900
#4B3567
oklch(37.8% 0.086 302.8)
-
Step 950
950
#2C1F3C
oklch(27% 0.055 303.6)
#6C4599 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) | #27579C | 0.101 |
| Deuteranopia (no green cones) | #335897 | 0.092 |
| Tritanopia (no blue cones) | #645568 | 0.101 |
| Achromatopsia (no color) | #585858 | 0.135 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #6C4599
#6C4599
oklch(47.5% 0.134 303.1)
- #506600
#506600
oklch(47.5% 0.117 123.1)
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 #6C4599, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Rebecca Purple #663399 ΔE 0.043
- Twilight #4E518B ΔE 0.063
- Light Eggplant #894585 ΔE 0.065
- Blueberry #464196 ΔE 0.068
- Dark Slate Blue #483D8B ΔE 0.072
- Dusk #4E5481 ΔE 0.076
- Bluey Purple #6241C7 ΔE 0.077
- Iris #6258C4 ΔE 0.078
Use #6C4599 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.