#6A3383
Closest named color: Rebecca Purple (#663399). oklch(43% 0.136 313.9), rgb(106, 51, 131).
Aa
White text reads best on this color (8.69:1).
About this color
#6A3383 is a dark, moderately saturated purple. In OKLCH its lightness is 43%, its chroma 0.136 and its hue 314°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Rebecca Purple (#663399), ΔE 0.038 away. White text reads best on it, at 8.69:1.
| Hue family | Purples |
| Lightness | dark (43%) |
| Chroma | moderately saturated (0.136) |
| Temperature | in between |
| Nearest name | Rebecca Purple (#663399) |
| Black text | 2.41:1 |
| White text | 8.69:1 |
Values
| HEX | #6A3383 |
| RGB | rgb(106, 51, 131) |
| HSL | hsl(281, 44%, 36%) |
| OKLCH | oklch(43% 0.136 313.9) |
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 #6A3383 | 8.69:1 | AAA | Lc -93.9 | Preferred for body text |
| Black text on #6A3383 | 2.41:1 | Fails | Lc 14.6 | Not readable |
| #6A3383 text on white | 8.69:1 | AAA | Lc 89.4 | Fine for body text |
| #6A3383 text on black | 2.41:1 | Fails | Lc -12.9 | Not readable |
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 800.
-
Step 50
50
#F8F3FB
oklch(97% 0.012 313.2)
-
Step 100
100
#F0E6F5
oklch(93.7% 0.023 314.7)
-
Step 200
200
#E4D1EE
oklch(88.5% 0.044 314.1)
-
Step 300
300
#D3B2E5
oklch(80.9% 0.079 313.6)
-
Step 400
400
#BD88D8
oklch(70.8% 0.126 313.7)
-
Step 500
500
#AC67CD
oklch(63% 0.162 313.8)
-
Step 600
600
#984BBA
oklch(55.6% 0.178 314.2)
-
Step 700
700
#813CA1
oklch(49.1% 0.165 313.5)
-
Step 800
800 (this color)
#6A3383
oklch(43% 0.136 313.9)
-
Step 900
900
#552D68
oklch(37.6% 0.106 313.7)
-
Step 950
950
#321B3D
oklch(27% 0.067 313.9)
#6A3383 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) | #1A4886 | 0.123 |
| Deuteranopia (no green cones) | #304D81 | 0.109 |
| Tritanopia (no blue cones) | #684156 | 0.091 |
| Achromatopsia (no color) | #4B4B4B | 0.138 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #6A3383
#6A3383
oklch(43% 0.136 313.9)
- #315D00
#315D00
oklch(42.9% 0.123 133.8)
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 #6A3383, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Rebecca Purple #663399 ΔE 0.038
- Dark Slate Blue #483D8B ΔE 0.066
- Purple #800080 ΔE 0.071
- Blueberry #464196 ΔE 0.075
- Light Eggplant #894585 ΔE 0.078
- Dark Magenta #8B008B ΔE 0.083
- Twilight #4E518B ΔE 0.084
- Warm Purple #952E8F ΔE 0.087
Use #6A3383 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.