#6D189E
Closest named color: Grape (#7209B7). oklch(42.5% 0.197 308.4), rgb(109, 24, 158).
Aa
White text reads best on this color (9.23:1).
About this color
#6D189E is a dark, vivid purple. In OKLCH its lightness is 43%, its chroma 0.197 and its hue 308°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Grape (#7209B7), ΔE 0.041 away. White text reads best on it, at 9.23:1.
| Hue family | Purples |
| Lightness | dark (43%) |
| Chroma | vivid (0.197) |
| Temperature | in between |
| Nearest name | Grape (#7209B7) |
| Black text | 2.27:1 |
| White text | 9.23:1 |
Values
| HEX | #6D189E |
| RGB | rgb(109, 24, 158) |
| HSL | hsl(278, 74%, 36%) |
| OKLCH | oklch(42.5% 0.197 308.4) |
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 #6D189E | 9.23:1 | AAA | Lc -94.4 | Preferred for body text |
| Black text on #6D189E | 2.27:1 | Fails | Lc 14.0 | Not readable |
| #6D189E text on white | 9.23:1 | AAA | Lc 89.9 | Fine for body text |
| #6D189E text on black | 2.27:1 | Fails | Lc -12.3 | 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
#F0E4FB
oklch(93.5% 0.033 309)
-
Step 200
200
#E5CEFA
oklch(88.4% 0.064 308.6)
-
Step 300
300
#D6ACFA
oklch(80.9% 0.116 308.6)
-
Step 400
400
#C17CF7
oklch(70.8% 0.184 308.3)
-
Step 500
500
#B251F3
oklch(63.1% 0.236 308.6)
-
Step 600
600
#9E28E2
oklch(55.6% 0.257 308.5)
-
Step 700
700
#8715C4
oklch(49.1% 0.238 308.5)
-
Step 800
800 (this color)
#6D189E
oklch(42.5% 0.197 308.4)
-
Step 900
900
#591F7E
oklch(37.8% 0.154 308.6)
-
Step 950
950
#34144A
oklch(27% 0.098 308.4)
#6D189E 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) | #0044A1 | 0.153 |
| Deuteranopia (no green cones) | #00489B | 0.156 |
| Tritanopia (no blue cones) | #653D5E | 0.134 |
| Achromatopsia (no color) | #474747 | 0.199 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #6D189E
#6D189E
oklch(42.5% 0.197 308.4)
- #3C5900
#3C5900
oklch(42.5% 0.111 128.2)
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 #6D189E, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Grape #7209B7 ΔE 0.041
- Rebecca Purple #663399 ΔE 0.043
- Chrysanthemum #560BAD ΔE 0.059
- Purple #800080 ΔE 0.068
- Dark Magenta #8B008B ΔE 0.073
- Imperial Purple #480CA8 ΔE 0.083
- Indigo #4B0082 ΔE 0.091
- Purple Blue #5D21D0 ΔE 0.092
Use #6D189E 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.