#6D428B
Closest named color: Rebecca Purple (#663399). oklch(46.2% 0.122 309.6), rgb(109, 66, 139).
Aa
White text reads best on this color (7.49:1).
About this color
#6D428B is a medium-dark, moderately saturated purple. In OKLCH its lightness is 46%, its chroma 0.122 and its hue 310°. 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 7.49:1.
| Hue family | Purples |
| Lightness | medium-dark (46%) |
| Chroma | moderately saturated (0.122) |
| Temperature | in between |
| Nearest name | Rebecca Purple (#663399) |
| Black text | 2.80:1 |
| White text | 7.49:1 |
Values
| HEX | #6D428B |
| RGB | rgb(109, 66, 139) |
| HSL | hsl(275, 36%, 40%) |
| OKLCH | oklch(46.2% 0.122 309.6) |
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 #6D428B | 7.49:1 | AAA | Lc -90.6 | Preferred for body text |
| Black text on #6D428B | 2.80:1 | Fails | Lc 18.2 | Dividers and decoration only |
| #6D428B text on white | 7.49:1 | AAA | Lc 85.8 | Fine for body text |
| #6D428B text on black | 2.80:1 | Fails | Lc -16.3 | 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
#E0D4EA
oklch(88.6% 0.032 309.9)
-
Step 300
300
#CCB7DE
oklch(81% 0.059 309.3)
-
Step 400
400
#B290CD
oklch(70.6% 0.094 309.5)
-
Step 500
500
#9F74C0
oklch(63.1% 0.12 309.3)
-
Step 600
600
#8A5BAC
oklch(55.6% 0.13 309.5)
-
Step 700
700 (this color)
#6D428B
oklch(46.2% 0.122 309.6)
-
Step 800
800
#603D78
oklch(42.7% 0.102 310.1)
-
Step 900
900
#4E3561
oklch(37.7% 0.078 309.2)
-
Step 950
950
#2E1F39
oklch(27% 0.051 309.8)
#6D428B 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) | #2E538D | 0.100 |
| Deuteranopia (no green cones) | #3B5589 | 0.089 |
| Tritanopia (no blue cones) | #694E60 | 0.086 |
| Achromatopsia (no color) | #555555 | 0.123 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #6D428B
#6D428B
oklch(46.2% 0.122 309.6)
- #426503
#426503
oklch(46.2% 0.122 129.5)
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 #6D428B, 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 0.056
- Twilight #4E518B ΔE 0.062
- Dark Slate Blue #483D8B ΔE 0.069
- Dusk #4E5481 ΔE 0.072
- Blueberry #464196 ΔE 0.072
- Muted Purple #805B87 ΔE 0.079
- Warm Purple #952E8F ΔE 0.082
Use #6D428B 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.