#6B4490
Closest named color: Rebecca Purple (#663399). oklch(46.6% 0.124 305.8), rgb(107, 68, 144).
Aa
White text reads best on this color (7.35:1).
About this color
#6B4490 is a medium-dark, moderately saturated purple. In OKLCH its lightness is 47%, its chroma 0.124 and its hue 306°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Rebecca Purple (#663399), ΔE 0.045 away. White text reads best on it, at 7.35:1.
| Hue family | Purples |
| Lightness | medium-dark (47%) |
| Chroma | moderately saturated (0.124) |
| Temperature | in between |
| Nearest name | Rebecca Purple (#663399) |
| Black text | 2.85:1 |
| White text | 7.35:1 |
Values
| HEX | #6B4490 |
| RGB | rgb(107, 68, 144) |
| HSL | hsl(271, 36%, 42%) |
| OKLCH | oklch(46.6% 0.124 305.8) |
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 #6B4490 | 7.35:1 | AAA | Lc -90.2 | Preferred for body text |
| Black text on #6B4490 | 2.85:1 | Fails | Lc 18.7 | Dividers and decoration only |
| #6B4490 text on white | 7.35:1 | AAA | Lc 85.3 | Fine for body text |
| #6B4490 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
#DED4EB
oklch(88.5% 0.033 305.3)
-
Step 300
300
#CAB7E0
oklch(80.9% 0.06 306.1)
-
Step 400
400
#AF91D0
oklch(70.7% 0.096 305.9)
-
Step 500
500
#9C75C4
oklch(63.2% 0.122 305.9)
-
Step 600
600
#875CB1
oklch(55.7% 0.134 305.9)
-
Step 700
700 (this color)
#6B4490
oklch(46.6% 0.124 305.8)
-
Step 800
800
#5D3E7B
oklch(42.7% 0.103 306)
-
Step 900
900
#4C3563
oklch(37.6% 0.081 305.9)
-
Step 950
950
#2D1F3A
oklch(27% 0.052 307.1)
#6B4490 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) | #2D5593 | 0.095 |
| Deuteranopia (no green cones) | #38568E | 0.087 |
| Tritanopia (no blue cones) | #655263 | 0.092 |
| Achromatopsia (no color) | #565656 | 0.125 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #6B4490
#6B4490
oklch(46.6% 0.124 305.8)
- #496500
#496500
oklch(46.7% 0.119 126.2)
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 #6B4490, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Rebecca Purple #663399 ΔE 0.045
- Twilight #4E518B ΔE 0.058
- Light Eggplant #894585 ΔE 0.061
- Blueberry #464196 ΔE 0.067
- Dark Slate Blue #483D8B ΔE 0.067
- Dusk #4E5481 ΔE 0.069
- Muted Purple #805B87 ΔE 0.079
- Dusty Grape #545775 ΔE 0.083
Use #6B4490 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.