#6B209E
Closest named color: Rebecca Purple (#663399). oklch(42.9% 0.19 306.8), rgb(107, 32, 158).
Aa
White text reads best on this color (9.03:1).
About this color
#6B209E is a dark, vivid purple. In OKLCH its lightness is 43%, its chroma 0.190 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 0.033 away. White text reads best on it, at 9.03:1.
| Hue family | Purples |
| Lightness | dark (43%) |
| Chroma | vivid (0.190) |
| Temperature | in between |
| Nearest name | Rebecca Purple (#663399) |
| Black text | 2.32:1 |
| White text | 9.03:1 |
Values
| HEX | #6B209E |
| RGB | rgb(107, 32, 158) |
| HSL | hsl(276, 66%, 37%) |
| OKLCH | oklch(42.9% 0.19 306.8) |
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 #6B209E | 9.03:1 | AAA | Lc -94.2 | Preferred for body text |
| Black text on #6B209E | 2.32:1 | Fails | Lc 14.3 | Not readable |
| #6B209E text on white | 9.03:1 | AAA | Lc 89.6 | Fine for body text |
| #6B209E 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
#F8F3FE
oklch(97.1% 0.015 306.4)
-
Step 100
100
#EFE5FB
oklch(93.6% 0.031 306.2)
-
Step 200
200
#E4CFFA
oklch(88.5% 0.062 307.2)
-
Step 300
300
#D3AEF9
oklch(80.9% 0.11 306.6)
-
Step 400
400
#BD7EF6
oklch(70.6% 0.178 306.6)
-
Step 500
500
#AD56F2
oklch(63% 0.227 306.6)
-
Step 600
600
#9931E0
oklch(55.5% 0.246 306.7)
-
Step 700
700
#8320C3
oklch(49.1% 0.229 306.7)
-
Step 800
800 (this color)
#6B209E
oklch(42.9% 0.19 306.8)
-
Step 900
900
#56227D
oklch(37.7% 0.148 306.7)
-
Step 950
950
#321649
oklch(27% 0.093 306.4)
#6B209E 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) | #0046A1 | 0.145 |
| Deuteranopia (no green cones) | #00499C | 0.147 |
| Tritanopia (no blue cones) | #62415F | 0.133 |
| Achromatopsia (no color) | #494949 | 0.191 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #6B209E
#6B209E
oklch(42.9% 0.19 306.8)
- #3F5A00
#3F5A00
oklch(43% 0.111 127.1)
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 #6B209E, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Rebecca Purple #663399 ΔE 0.033
- Grape #7209B7 ΔE 0.044
- Chrysanthemum #560BAD ΔE 0.058
- Purple #800080 ΔE 0.072
- Dark Magenta #8B008B ΔE 0.077
- Imperial Purple #480CA8 ΔE 0.081
- Dark Slate Blue #483D8B ΔE 0.087
- Purple Blue #5D21D0 ΔE 0.088
Use #6B209E 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.