#6D2199
Closest named color: Rebecca Purple (#663399). oklch(42.9% 0.184 309.3), rgb(109, 33, 153).
Aa
White text reads best on this color (9.02:1).
About this color
#6D2199 is a dark, vivid purple. In OKLCH its lightness is 43%, its chroma 0.184 and its hue 309°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Rebecca Purple (#663399), ΔE 0.032 away. White text reads best on it, at 9.02:1.
| Hue family | Purples |
| Lightness | dark (43%) |
| Chroma | vivid (0.184) |
| Temperature | in between |
| Nearest name | Rebecca Purple (#663399) |
| Black text | 2.32:1 |
| White text | 9.02:1 |
Values
| HEX | #6D2199 |
| RGB | rgb(109, 33, 153) |
| HSL | hsl(278, 65%, 36%) |
| OKLCH | oklch(42.9% 0.184 309.3) |
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 #6D2199 | 9.02:1 | AAA | Lc -94.2 | Preferred for body text |
| Black text on #6D2199 | 2.32:1 | Fails | Lc 14.3 | Not readable |
| #6D2199 text on white | 9.02:1 | AAA | Lc 89.7 | Fine for body text |
| #6D2199 text on black | 2.32:1 | Fails | Lc -12.6 | 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
#F8F3FD
oklch(97.1% 0.014 308.3)
-
Step 100
100
#F0E5FA
oklch(93.7% 0.03 309.1)
-
Step 200
200
#E5CFF8
oklch(88.5% 0.06 309.2)
-
Step 300
300
#D5ADF5
oklch(80.8% 0.108 309.4)
-
Step 400
400
#C07EF0
oklch(70.6% 0.172 309.4)
-
Step 500
500
#B157EB
oklch(63.2% 0.22 309.5)
-
Step 600
600
#9C33D9
oklch(55.5% 0.239 309.3)
-
Step 700
700
#8622BC
oklch(49.1% 0.222 309.6)
-
Step 800
800 (this color)
#6D2199
oklch(42.9% 0.184 309.3)
-
Step 900
900
#582379
oklch(37.7% 0.143 309.4)
-
Step 950
950
#331647
oklch(26.9% 0.09 308.8)
#6D2199 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) | #00469C | 0.149 |
| Deuteranopia (no green cones) | #004A97 | 0.152 |
| Tritanopia (no blue cones) | #663F5C | 0.127 |
| Achromatopsia (no color) | #494949 | 0.186 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #6D2199
#6D2199
oklch(42.9% 0.184 309.3)
- #3B5B00
#3B5B00
oklch(43% 0.115 129.3)
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 #6D2199, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Rebecca Purple #663399 ΔE 0.032
- Grape #7209B7 ΔE 0.051
- Purple #800080 ΔE 0.064
- Chrysanthemum #560BAD ΔE 0.066
- Dark Magenta #8B008B ΔE 0.070
- Dark Slate Blue #483D8B ΔE 0.086
- Imperial Purple #480CA8 ΔE 0.089
- Blueberry #464196 ΔE 0.090
Use #6D2199 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.