#6A438D
Closest named color: Rebecca Purple (#663399). oklch(46.1% 0.122 306.6), rgb(106, 67, 141).
Aa
White text reads best on this color (7.49:1).
About this color
#6A438D is a medium-dark, moderately saturated purple. In OKLCH its lightness is 46%, its chroma 0.122 and its hue 307°. 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 7.49:1.
| 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 | #6A438D |
| RGB | rgb(106, 67, 141) |
| HSL | hsl(272, 36%, 41%) |
| OKLCH | oklch(46.1% 0.122 306.6) |
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 #6A438D | 7.49:1 | AAA | Lc -90.6 | Preferred for body text |
| Black text on #6A438D | 2.80:1 | Fails | Lc 18.2 | Dividers and decoration only |
| #6A438D text on white | 7.49:1 | AAA | Lc 85.8 | Fine for body text |
| #6A438D text on black | 2.80:1 | Fails | Lc -16.2 | 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
#CAB7DF
oklch(80.8% 0.059 306.6)
-
Step 400
400
#B091CF
oklch(70.7% 0.095 307)
-
Step 500
500
#9C75C2
oklch(63.1% 0.12 306.6)
-
Step 600
600
#875CAF
oklch(55.6% 0.131 306.5)
-
Step 700
700 (this color)
#6A438D
oklch(46.1% 0.122 306.6)
-
Step 800
800
#5D3E7A
oklch(42.6% 0.101 306.4)
-
Step 900
900
#4C3562
oklch(37.6% 0.079 306.5)
-
Step 950
950
#2D2039
oklch(27.1% 0.048 307.3)
#6A438D 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) | #2D5390 | 0.094 |
| Deuteranopia (no green cones) | #39558B | 0.085 |
| Tritanopia (no blue cones) | #655061 | 0.089 |
| Achromatopsia (no color) | #555555 | 0.122 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #6A438D
#6A438D
oklch(46.1% 0.122 306.6)
- #476300
#476300
oklch(46% 0.118 126.4)
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 #6A438D, 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 0.057
- Light Eggplant #894585 ΔE 0.062
- Dark Slate Blue #483D8B ΔE 0.064
- Blueberry #464196 ΔE 0.066
- Dusk #4E5481 ΔE 0.068
- Muted Purple #805B87 ΔE 0.081
- Dusty Grape #545775 ΔE 0.081
Use #6A438D 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.