#6D3E91
Closest named color: Rebecca Purple (#663399). oklch(45.9% 0.136 308.1), rgb(109, 62, 145).
Aa
White text reads best on this color (7.64:1).
About this color
#6D3E91 is a medium-dark, moderately saturated purple. In OKLCH its lightness is 46%, its chroma 0.136 and its hue 308°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Rebecca Purple (#663399), ΔE 0.033 away. White text reads best on it, at 7.64:1.
| Hue family | Purples |
| Lightness | medium-dark (46%) |
| Chroma | moderately saturated (0.136) |
| Temperature | in between |
| Nearest name | Rebecca Purple (#663399) |
| Black text | 2.74:1 |
| White text | 7.64:1 |
Values
| HEX | #6D3E91 |
| RGB | rgb(109, 62, 145) |
| HSL | hsl(274, 40%, 41%) |
| OKLCH | oklch(45.9% 0.136 308.1) |
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 #6D3E91 | 7.64:1 | AAA | Lc -91.0 | Preferred for body text |
| Black text on #6D3E91 | 2.74:1 | Fails | Lc 17.8 | Dividers and decoration only |
| #6D3E91 text on white | 7.64:1 | AAA | Lc 86.2 | Fine for body text |
| #6D3E91 text on black | 2.74:1 | Fails | Lc -15.9 | 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
#EDE7F4
oklch(93.6% 0.018 306.7)
-
Step 200
200
#E0D3EC
oklch(88.5% 0.037 308.8)
-
Step 300
300
#CCB6E2
oklch(80.9% 0.065 307.6)
-
Step 400
400
#B38ED3
oklch(70.6% 0.106 308.4)
-
Step 500
500
#A071C8
oklch(63.1% 0.135 307.9)
-
Step 600
600
#8B58B4
oklch(55.6% 0.146 308)
-
Step 700
700 (this color)
#6D3E91
oklch(45.9% 0.136 308.1)
-
Step 800
800
#603B7E
oklch(42.7% 0.113 307.8)
-
Step 900
900
#4F3365
oklch(37.7% 0.088 308.6)
-
Step 950
950
#2E1E3B
oklch(26.9% 0.056 308.5)
#6D3E91 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) | #225294 | 0.112 |
| Deuteranopia (no green cones) | #33548F | 0.100 |
| Tritanopia (no blue cones) | #684D61 | 0.097 |
| Achromatopsia (no color) | #535353 | 0.137 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #6D3E91
#6D3E91
oklch(45.9% 0.136 308.1)
- #446400
#446400
oklch(46.1% 0.121 128.1)
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 #6D3E91, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Rebecca Purple #663399 ΔE 0.033
- Light Eggplant #894585 ΔE 0.063
- Dark Slate Blue #483D8B ΔE 0.068
- Blueberry #464196 ΔE 0.069
- Twilight #4E518B ΔE 0.070
- Warm Purple #952E8F ΔE 0.080
- Dusk #4E5481 ΔE 0.082
- Bluey Purple #6241C7 ΔE 0.089
Use #6D3E91 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.