#6B3D98
Closest named color: Rebecca Purple (#663399). oklch(46% 0.146 304.6), rgb(107, 61, 152).
Aa
White text reads best on this color (7.64:1).
About this color
#6B3D98 is a medium-dark, vivid purple. In OKLCH its lightness is 46%, its chroma 0.146 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 0.025 away. White text reads best on it, at 7.64:1.
| Hue family | Purples |
| Lightness | medium-dark (46%) |
| Chroma | vivid (0.146) |
| Temperature | in between |
| Nearest name | Rebecca Purple (#663399) |
| Black text | 2.74:1 |
| White text | 7.64:1 |
Values
| HEX | #6B3D98 |
| RGB | rgb(107, 61, 152) |
| HSL | hsl(270, 43%, 42%) |
| OKLCH | oklch(46% 0.146 304.6) |
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 #6B3D98 | 7.64:1 | AAA | Lc -91.0 | Preferred for body text |
| Black text on #6B3D98 | 2.74:1 | Fails | Lc 17.8 | Dividers and decoration only |
| #6B3D98 text on white | 7.64:1 | AAA | Lc 86.2 | Fine for body text |
| #6B3D98 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
#F7F4FB
oklch(97.1% 0.01 305.4)
-
Step 100
100
#EDE7F5
oklch(93.7% 0.02 305.3)
-
Step 200
200
#DFD3EF
oklch(88.5% 0.04 304.9)
-
Step 300
300
#CBB6E6
oklch(81% 0.07 304.8)
-
Step 400
400
#B08ED9
oklch(70.6% 0.113 304.5)
-
Step 500
500
#9D70CF
oklch(63% 0.145 304.4)
-
Step 600
600
#8957BC
oklch(55.7% 0.156 304.7)
-
Step 700
700 (this color)
#6B3D98
oklch(46% 0.146 304.6)
-
Step 800
800
#5E3A83
oklch(42.6% 0.121 304.6)
-
Step 900
900
#4D3369
oklch(37.7% 0.093 304.6)
-
Step 950
950
#2D1E3E
oklch(27% 0.06 304.3)
#6B3D98 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) | #14529B | 0.117 |
| Deuteranopia (no green cones) | #295396 | 0.105 |
| Tritanopia (no blue cones) | #634F64 | 0.107 |
| Achromatopsia (no color) | #535353 | 0.147 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #6B3D98
#6B3D98
oklch(46% 0.146 304.6)
- #4A6200
#4A6200
oklch(46% 0.115 124.6)
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 #6B3D98, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Rebecca Purple #663399 ΔE 0.025
- Blueberry #464196 ΔE 0.065
- Dark Slate Blue #483D8B ΔE 0.066
- Twilight #4E518B ΔE 0.072
- Light Eggplant #894585 ΔE 0.073
- Bluey Purple #6241C7 ΔE 0.077
- Grape #7209B7 ΔE 0.084
- Warm Purple #952E8F ΔE 0.085
Use #6B3D98 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.